BWTC some of the harder problems are buggy

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Dann Corbit
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BWTC some of the harder problems are buggy

Post by Dann Corbit »

Some of the harder problems are presented here (my strongest analysis record followed by multi-pv analysis):

Code: Select all

r3k2r/pp4pp/2pb1n2/3pq3/4pB2/1BN2bP1/PPPQ1P1P/R4RK1 b kq - acd 99; acs 164; bm Qe6 Qf5; c0 " Qf5 and Qe6 are permutations and both win in 8 moves.  Qh5 and Qe7 may also win, but they are not as good."; c3 "Qh5"; ce 32752; dm 8; id "BWTC.0624"; pm Qf5; pv Qf5 Qxd5 cxd5 Ba4+ Kf7 Be8+ Raxe8 Nxd5 Nxd5 g4 Qxg4+ Bg3 Qh3 c3 Qg2#;
r3k2r/pp4pp/2pb1n2/3pq3/4pB2/1BN2bP1/PPPQ1P1P/R4RK1 b kq - acd 32/53; acs 595 ; acn 4400450179; ce 32752 ; bm Qf5; pv Qf5 Qxd5 cxd5 Nxd5 Nxd5 Rae1 Qh3 Rxe4+ Ne7 Rxe7+ Bxe7 Ba4+ Kf8 c3 Qg2+;
r3k2r/pp4pp/2pb1n2/3pq3/4pB2/1BN2bP1/PPPQ1P1P/R4RK1 b kq - acd 32/53; acs 595 ; acn 4400450179; ce 32752 ; bm Qe6; pv Qe6 Qxd5 cxd5 Ba4+ Kf7 Nxd5 Nxd5 Be8+ Rhxe8 g4 Qxg4+ Bg3 Qh3 Bxd6 Qg2+;
r3k2r/pp4pp/2pb1n2/3pq3/4pB2/1BN2bP1/PPPQ1P1P/R4RK1 b kq - acd 32/53; acs 595 ; acn 4400450179; ce 513 ; bm Qh5; pv Qh5 h4 Qf5 Kh2 O-O-O Bxd6 Ng4+ Kg1 Rxd6 Bxd5 Qe5 Rae1 cxd5 Nb5 Ra6 Nd4 Rf6 Nb5 Kb8 Qd4 Rb6 a4 Rf8 b3 Rc8 Qd2 Ra6 Nd4 Rf6 a5 Rcf8 Qb4 Qc7 Nxf3 Rxf3;
r3k2r/pp4pp/2pb1n2/3pq3/4pB2/1BN2bP1/PPPQ1P1P/R4RK1 b kq - acd 31/53; acs 595 ; acn 4400450179; ce 287 ; bm Qe7; pv Qe7 Bxd6 Qxd6 Ne2 Qd7 Nd4 O-O Nxf3 exf3 Qf4 Ng4 Qg5 Rae8 h3 Nf6 Qf4 Qxh3 Qxf3 Ng4 Qg2 Qxg2+ Kxg2 Re2 Rae1 Ne3+ Kh3 Rfxf2 Rxf2 Rxe1 Kh4 h6 Rh2 Rg1 c3 Kf7 a3;
r3k2r/pp4pp/2pb1n2/3pq3/4pB2/1BN2bP1/PPPQ1P1P/R4RK1 b kq - acd 31/53; acs 595 ; acn 4400450179; ce -465 ; bm O-O-O; pv O-O-O Bxe5 Bxe5 Ne2 h5 Nd4 Bg4 Ba4 Bd7 h4 Ng4 f4 Bf6 c3 Kb8 Rfe1 Nh6 Bd1 g6 a4 Nf5 Nxf5 Bxf5 Kg2 Rhe8 Bb3 d4 cxd4 Bxd4 a5 Bg4 Qc2 Bf3+ Kh2 e3;
r3k2r/pp4pp/2pb1n2/3pq3/4pB2/1BN2bP1/PPPQ1P1P/R4RK1 b kq - acd 31/53; acs 595 ; acn 4400450179; ce -307 ; bm e3; pv e3 fxe3 Qe7 Bxd6 Qxd6 Rxf3 O-O-O a4 Rhe8 a5 Rd7 Qd3 Qc5 Qd4 Qxd4 exd4 Rde7 h3 Kc7 Kg2 Kd6 Rf5 Re3 Raf1 R8e7 g4 b5 axb6 axb6 R5f3 b5 g5 Rxf3 Kxf3 Nd7 Kg4 Re3;
r3k2r/pp4pp/2pb1n2/3pq3/4pB2/1BN2bP1/PPPQ1P1P/R4RK1 b kq - acd 31/53; acs 595 ; acn 4400450179; ce -305 ; bm Qxf4; pv Qxf4 gxf4 g5 Qd4 gxf4 Nxe4 Rg8+ Ng3 Ne4 Qd3 fxg3 Qxf3 gxh2+ Kh1 O-O-O Rfe1 Rde8 c4 Ref8 Qh3+ Kb8 Rxe4 dxe4 Qh5 Rg7 c5 Bf4 Re1 e3 fxe3 Rg1+ Rxg1 hxg1Q+ Kxg1 Bxe3+ Kg2 Bd4 Qxh7 Bxc5 Qg7 Rd8 Qg5 Bb6 Qe5+ Bc7;

r1br4/3n1Q2/p3p2p/1p1k4/4N2b/P3q3/1P4PP/1BR2R1K w - - acd 19; acs 0; bm Rf5+; c0 "Many moves win easily from here.  Qh5+ is not even in the top 7."; c3 "Qh5+"; ce 32750; dm 9; id "LK.341"; pm Rf5+; pv Rf5+ Ne5 Rxe5+ Kxe5 Qc7+ Rd6 Qxd6+ Kf5 Rf1+ Qf3 Ng3+ Kg5 Qe5+ Qf5 Qg7+ Qg6 Qxg6#;
r1br4/3n1Q2/p3p2p/1p1k4/4N2b/P3q3/1P4PP/1BR2R1K w - - acd 43/48; acs 592 ; acn 4848493919; ce 32750 ; bm Rfd1+; pv Rfd1+ Ke5 Rc5+ Nxc5 Qg7+ Kf4 Rf1+ Qf2 Nxf2 Nd3 Nxd3+ Ke3 Re1+ Bxe1 Qe5+ Kd2 Qxe1+;
r1br4/3n1Q2/p3p2p/1p1k4/4N2b/P3q3/1P4PP/1BR2R1K w - - acd 43/48; acs 592 ; acn 4848493919; ce 32750 ; bm Rf5+; pv Rf5+ Ne5 Rxe5+ Kxe5 Qc7+ Rd6 Qxd6+ Kf5 Rf1+ Kg6 Nf6+ Kg5 Nh7+ Kg4 Qd1+ Qe2 Qxe2+;
r1br4/3n1Q2/p3p2p/1p1k4/4N2b/P3q3/1P4PP/1BR2R1K w - - acd 43/48; acs 592 ; acn 4848493919; ce 32748 ; bm g3; pv g3 Bg5 Nxg5 Qe2 Be4+ Qxe4+ Nxe4 Rf8 Nf6+ Ke5 Ng4+ Kd5 Rfd1+ Ke4 Qxe6+ Ne5 Re1+ Kd4 Qd6+;
r1br4/3n1Q2/p3p2p/1p1k4/4N2b/P3q3/1P4PP/1BR2R1K w - - acd 43/48; acs 592 ; acn 4848493919; ce 32748 ; bm b4; pv b4 Qd3 Ba2+ Qc4 Bxc4+ bxc4 Rxc4 Be1 Rxe1 Kxc4 Qxe6+ Kd4 Qd6+ Kc4 Re3 Kb5 Nc3+ Kc4 Qd5+;
r1br4/3n1Q2/p3p2p/1p1k4/4N2b/P3q3/1P4PP/1BR2R1K w - - acd 43/48; acs 592 ; acn 4848493919; ce 32748 ; bm Qg7; pv Qg7 Qe2 Rfd1+ Qxd1+ Rxd1+ Kc6 Rc1+ Kb7 Nd6+ Ka7 Qd4+ Kb8 Qc3 Nc5 Qxc5 Rd7 Qb6+ Bb7 Rc8+;
r1br4/3n1Q2/p3p2p/1p1k4/4N2b/P3q3/1P4PP/1BR2R1K w - - acd 43/48; acs 592 ; acn 4848493919; ce 32748 ; bm Ba2+; pv Ba2+ Kxe4 Qg6+ Kd4 Rfd1+ Ke5 Qxe6+ Kf4 Qxh6+ Kf5 Be6+ Qxe6 Rf1+ Bf2 Rxf2+ Ke5 Qf4+ Kd5 Rd2+;
r1br4/3n1Q2/p3p2p/1p1k4/4N2b/P3q3/1P4PP/1BR2R1K w - - acd 43/48; acs 592 ; acn 4848493919; ce 32746 ; bm Ng3; pv Ng3 Ne5 Qc7 Bxg3 hxg3 Nd3 Qxd8+ Ke5 Qc7+ Kd5 Bxd3 Bb7 Bb1 Qxc1 Rxc1 Bc6 Rxc6 Kd4 Qf4+ Kd5 Qe4+;

r1bq1r2/ppp2pkp/3p2nn/2bN2NQ/2B1P3/8/PPp3PP/R1B2R1K w - - acd 39; acs 2985; bm Nf6; c0 "Lots of winning moves, but I have not resolved any to mate yet."; c3 "Qxh6+"; c4 "POL-UNK {The unknown Polgar}"; ce 1808; id "MG 3500"; pm Nf6; pv Nf6 Qxf6 Rxf6 Bg4 Qxh6+ Kxf6 Nxh7+ Ke7 Qg5+ Kd7 Qxg4+ Kc6 Qh3 b5 Bd5+ Kb6 Nxf8 Rxf8 a4 Ne5 axb5 c6 bxc6 Kc7 Qb3 Rb8 Qxc2 Rb5 Ra6 Rb4 Bd2 Rb5 Bc4 Rb6 Rxa7+ Kc8 Ra8+ Kc7 Bd5 Rxc6 Bxc6 Nxc6 Bf4 Kb7 Qa4 Kc7 Qc4 f5 Qxc5 Kb7 Qa3 fxe4;
r1bq1r2/ppp2pkp/3p2nn/2bN2NQ/2B1P3/8/PPp3PP/R1B2R1K w - - acd 33/60; acs 1713 ; acn 14241125055; ce 2293 ; bm Rf3; pv Rf3 f6 Nxh7 Ng4 h3 Be6 hxg4 Rh8 Bh6+ Kf7 Ng5+ Ke8 Nxe6 Kd7 Nxf6+ Kc8 Nxd8 Ne5 Nf7 a6 Nxh8 Kb8 Rc3 Ka7 Bg8 Bb6 Rxc2 Nc6 Bg7 Rd8 Nf7 Rb8 g5 Nd4 Rcc1 Ne6 Bh6 Bd4 Qg4 Nc5;
r1bq1r2/ppp2pkp/3p2nn/2bN2NQ/2B1P3/8/PPp3PP/R1B2R1K w - - acd 33/60; acs 1713 ; acn 14241125055; ce 1487 ; bm Nf6; pv Nf6 Qxf6 Rxf6 Bg4 Qxh6+ Kxf6 Nxh7+ Ke7 Qg5+ Kd7 Qxg4+ Kc6 Qh3 b5 Bd5+ Kb6 Nxf8 Rxf8 a4 c6 axb5 Ne5 bxc6 Kc7 Qb3 Rb8 Qxc2 Re8 Bf4 Re7 Ra6 Kc8 Bg5 Rc7 Qb3 Bb6 Qc3 Kb8 Qb4 Nxc6 Rxb6+ axb6 Qxb6+ Kc8 Bxc6;
r1bq1r2/ppp2pkp/3p2nn/2bN2NQ/2B1P3/8/PPp3PP/R1B2R1K w - - acd 33/60; acs 1713 ; acn 14241125055; ce 1456 ; bm Rf6; pv Rf6 Qxf6 Nxf6 Bg4 Nxg4 Nxg4 Qxg4 d5 Bxd5 Be7 Qh5 Bxg5 Bxg5 f6 Bh6+ Kh8 Bxb7 Rad8 Bxf8 Nxf8 Rf1 Ng6 Qf5 Rf8 Qc5 a5 Qxc2 c6 Qxc6 Kg7 Qd6 h5 Rf5 h4 Bd5 a4 Bc4 Kh6 Rxf6 Rxf6 Qxf6;
r1bq1r2/ppp2pkp/3p2nn/2bN2NQ/2B1P3/8/PPp3PP/R1B2R1K w - - acd 33/60; acs 1713 ; acn 14241125055; ce 1233 ; bm Nxh7; pv Nxh7 Ng4 Ndf6 Bf2 Nxf8 Qxf8 Nxg4 Bxg4 Qxg4 d5 Bxd5 c6 Bb3 Qc5 Qe2 Rd8 Rxf2 Rd1+ Rf1 Qb5 Qxb5 cxb5 Rxd1 cxd1Q+ Bxd1 b6 Be3 Nf8 a4 b4 a5 Nd7 Bb3 Ne5 axb6 axb6 Ra7 Kg6 Rb7 b5 Rxb5 f6 Rxb4 Ng4 Bd4 Ne5 Rb8 Kg5 Be3+ Kh5;
r1bq1r2/ppp2pkp/3p2nn/2bN2NQ/2B1P3/8/PPp3PP/R1B2R1K w - - acd 33/60; acs 1713 ; acn 14241125055; ce 1066 ; bm Qxh6+; pv Qxh6+ Kxh6 Ne6+ Nf4 Rxf4 fxe6 Rxf8+ Kg7 Rxd8 exd5 Bxd5 c6 Rg8+ Kf6 Bb3 Bb4 Bg5+ Ke5 Bxc2 d5 exd5 Bf5 Rxa8 Bxc2 dxc6 bxc6 Rc1 Bg6 Rxa7 Be4 Ra4 c5 Be7 Bd3 Bxc5 Bd2 Bd4+ Kd5 Rc5+ Kd6 Ra7 Bb4 Rh5 Bd2 Ra3 Bb1 Ra6+ Kc7 Rd5 Bf4 Ra7+ Kc6 Rc5+ Kd6;
r1bq1r2/ppp2pkp/3p2nn/2bN2NQ/2B1P3/8/PPp3PP/R1B2R1K w - - acd 32/60; acs 1713 ; acn 14241125055; ce 949 ; bm Bd3; pv Bd3 a5 Nf6 Qxf6 Rxf6 Kxf6 Nxh7+ Ke7 Bg5+ Kd7 Nxf8+ Nxf8 Bxh6 Ng6 Bg7 Kc6 Qd5+ Kb6 Qb3+ Ka7 Qxf7 Ne5 Bxe5 dxe5 Qxc7 Bb6 Qxe5 Bd7 Bxc2 Rc8 Bd3 Re8 Qg5 Bc6 Qf5 Bc7 b3 Re5 Qf3 Kb8 Rc1 Re8 h4 Rd8 g4 Be5 g5;
r1bq1r2/ppp2pkp/3p2nn/2bN2NQ/2B1P3/8/PPp3PP/R1B2R1K w - - acd 32/60; acs 1713 ; acn 14241125055; ce 677 ; bm Be2; pv Be2 f5 Nxh7 Qh4 Qxh4 Nxh4 Nxf8 Bb6 Bg5 c6 Nxb6 axb6 Bxh4 Ra4 Bd3 Kxf8 Bg3 Ng4 Bxc2 Rc4 Bxd6+ Ke8 Bb3 Rxe4 Rae1 Nf6 Kg1 Kd7 Be5 Nd5 Bc2 Rxe1 Rxe1 Ke7 Kf2 Be6;

r1b4r/pp1pR2p/2q2p1k/6p1/3BR3/2PB4/P1P2PPP/6K1 w - - acd 40; acs 3233; bm Rf7; c0 "Several good moves are possible, but Rh4 is only 7th best."; c3 "Rh4+"; ce 494; id "MG 3825"; pm Rf7; pv Rf7 Qxe4 Bxe4 d5 Rxf6+ Kg7 Bxd5 Re8 g4 Bxg4 Rf4+ Kg6 Rxg4 h5 Rg3 Rac8 Bxb7 Rb8 Ba6 h4 Rf3 Rf8 Re3 Rfe8 Bd3+ Kh5 Bxa7 Rxe3 Bxe3 Rb2 Kg2 Rxa2 c4 Ra6 c5 Re6 Be2+ Kg6 Kf3 Kh5 Bd3 Re8 c6 Rc8 Be4 g4+ Kg2 Re8 f3 Re7 Bb6 h3+ Kg3;
r1b4r/pp1pR2p/2q2p1k/6p1/3BR3/2PB4/P1P2PPP/6K1 w - - acd 37/69; acs 1678 ; acn 14397818415; ce 572 ; bm h4; pv h4 Kh5 hxg5 d6 gxf6 Bf5 Be2+ Kg5 Re3 Qb6 Rg3+ Kh6 Bxb6 axb6 Rgg7 Rhg8 g4 Rxg7 Rxg7 Bxg4 Bxg4 Rf8 Bf5 Rxf6 Rxh7+ Kg5 Bd3 Kf4 Kg2 d5 Rxb7 Re6 Rd7 Ke5 Kg3 Rf6 Rb7 Rc6 f4+ Ke6 Kg4 Kf6 Rb8 Ke7 Kg5 Rxc3 Rxb6 Ra3;
r1b4r/pp1pR2p/2q2p1k/6p1/3BR3/2PB4/P1P2PPP/6K1 w - - acd 36/69; acs 1678 ; acn 14397818415; ce 517 ; bm Rf7; pv Rf7 Qxe4 Bxe4 d5 Bd3 Kh5 h3 Bxh3 gxh3 Raf8 Rxb7 Rb8 Re7 Rbe8 Rxa7 Ra8 Rb7 Rab8 Rb4 Rhf8 Bxh7 Rxb4 cxb4 Ra8 b5 Rxa2 Bxf6 Ra4 Bd3 Rb4 Kg2 Rb1 Bd4 Rb4 Be5 Rb1 Bf6 Rb4 Bc3 Rb1 Be5 Re1 Bd4 g4 b6 Rb1;
r1b4r/pp1pR2p/2q2p1k/6p1/3BR3/2PB4/P1P2PPP/6K1 w - - acd 36/69; acs 1678 ; acn 14397818415; ce 399 ; bm Re3; pv Re3 d5 Rf7 Qd6 Bxf6 Bg4 f3 Qxf6 Rxf6+ Kg7 Rd6 Bh5 Re7+ Bf7 Rxb7 Rhd8 Rxd8 Rxd8 Rxa7 Kf6 Bxh7 Rc8 a4 Be8 Bd3 Rxc3 Ra8 Bf7 a5 Be6 a6 Ra3 Kf2 Ra4 Ra7 Ra2 Kg3 Ra3 Rb7 Bc8 Rb8 Be6 Kf2 Ra4 Rh8 Bf7 Rf8 Ke7 Rb8 Be6;
r1b4r/pp1pR2p/2q2p1k/6p1/3BR3/2PB4/P1P2PPP/6K1 w - - acd 36/69; acs 1678 ; acn 14397818415; ce 212 ; bm Re2; pv Re2 b6 R2e3 d5 Rf3 Bg4 Rxf6+ Qxf6 Bxf6 Rae8 Bg7+ Kh5 f3 Rxe7 fxg4+ Kxg4 Bxh8 Re8 Bd4 Re7 Kf2 Rf7+ Ke2 Re7+ Be3 h6 Kd2 Rf7 Bd4 Rf8 Bb5 Kf5 Bd7+ Kf4 Kd3 Rd8 Bc6 Rd6 Bb5 Rd8 Bf6 Rd6 Bg7 Rg6 Bd4 Rd6 Bf2 Rd8 Bg3+ Kf5 Kd4 Ke6 Bc6 h5;
r1b4r/pp1pR2p/2q2p1k/6p1/3BR3/2PB4/P1P2PPP/6K1 w - - acd 36/69; acs 1678 ; acn 14397818415; ce 212 ; bm Re1; pv Re1 b6 R1e3 d5 Rf3 Bg4 Rxf6+ Qxf6 Bxf6 Rae8 Bg7+ Kh5 f3 Rxe7 fxg4+ Kxg4 Bxh8 Re8 Bd4 Re7 Kf2 Rf7+ Ke2 Re7+ Be3 h6 Kd2 Rf7 Bd4 Rf8 Bb5 Kf5 Bd7+ Kf4 Kd3 Rd8 Bc6 Rd6 Bb5 Rd8 Bf6 Rd6 Bg7 Rg6 Bd4 Rd6 Bf2 Rd8 Bd4;
r1b4r/pp1pR2p/2q2p1k/6p1/3BR3/2PB4/P1P2PPP/6K1 w - - acd 36/69; acs 1678 ; acn 14397818415; ce 158 ; bm f4; pv f4 d5 fxg5+ fxg5 R4e5 Kh5 Re3 Bg4 h3 Bd1 R3e6 Rae8 Rxc6 Rxe7 Rf6 Rhe8 g4+ Bxg4 hxg4+ Kxg4 Bf5+ Kh4 Bxa7 g4 Bd3 g3 Rf4+ Kg5 Rd4 Re2 Rxd5+ R8e5 Bxe2 Rxd5 Kg2 Kf4 Bb8+ Ke3 Bd3 h6 a3 Rg5 Bxg3 b5 c4 bxc4 Bxc4 Kd4 Be6;
r1b4r/pp1pR2p/2q2p1k/6p1/3BR3/2PB4/P1P2PPP/6K1 w - - acd 36/69; acs 1678 ; acn 14397818415; ce 68 ; bm Rh4+; pv Rh4+ gxh4 Be3+ Kh5 Rg7 Qf3 gxf3 d6 Bxh7 Rxh7 Rxh7+ Kg6 Rh6+ Kg7 Rxh4 Be6 a4 a5 Bb6 Bf5 Rd4 Bxc2 Kg2 Kf7 Bc7 d5 Rxd5 Rg8+ Kh1 Bxa4 Bxa5 Bc6 Rd3 Bb5 Re3 Bd7 Bb4 Bh3 f4 Bg2+ Kg1 Bh3+ Rg3 Be6 Rxg8 Kxg8 Kg2 Kf7 Kf3;

6k1/p4p2/1p2p1p1/4P3/PP2bP2/2B1b2p/6PP/6RK b - - acd 42; acs 201; bm Kg7 Kh7; c0 "Kh7 and Kg7 have identical outcomes (essentially transpositions because we end on the same target square Kh6 one move later.)"; c3 "Kh7"; c4 "Reinfeld.97.1001"; ce 32740; dm 14; id "WCSAC.0097"; pm Kg7; pv Kg7 Bb2 Kh6 Bc1 Bf2 Bd2 Kh5 Be1 Be3 b5 Kg4 Bd2 Bxd2 Rf1 hxg2+ Kg1 gxf1=Q+ Kxf1 Kf3 h3 Bd3+ Kg1 Kg3 Kh1 Be3 f5 Be4+;
6k1/p4p2/1p2p1p1/4P3/PP2bP2/2B1b2p/6PP/6RK b - - acd 39/59; acs 572 ; acn 4179457730; ce 32738 ; bm Kh7; pv Kh7 Bb2 Kh6 Bc1 Bf2 f5+ Kh5 Bd2 gxf5 Be1 Be3 b5 Kg4 Bd2 Bxd2 Rf1 hxg2+ Kg1 Be3+ Rf2 Kh4 a5 bxa5 b6 axb6 h3 Kg3 h4 Bxf2+;
6k1/p4p2/1p2p1p1/4P3/PP2bP2/2B1b2p/6PP/6RK b - - acd 39/59; acs 572 ; acn 4179457730; ce 32738 ; bm Kg7; pv Kg7 Bb2 Kh6 Bc1 Bf2 f5+ Kh5 Bd2 gxf5 Be1 Be3 b5 Kg4 Bd2 Bxd2 Rf1 hxg2+ Kg1 Be3+ Rf2 Kh4 a5 bxa5 b6 axb6 h3 Kg3 h4 Bxf2+;
6k1/p4p2/1p2p1p1/4P3/PP2bP2/2B1b2p/6PP/6RK b - - acd 39/59; acs 572 ; acn 4179457730; ce 32732 ; bm Kh8; pv Kh8 a5 bxa5 Bb2 axb4 Ba1 Kh7 Bb2 Kg7 Bc1 hxg2+ Rxg2 Bxg2+ Kxg2 Bxc1 Kf3 b3 h4 b2 h5 b1Q h6+ Kxh6 Ke2 Bxf4 Kf3 Bxe5 Kg2 Qc2+ Kf3 Qd2 Kg4 Qf4+ Kh3 Qg3+;
6k1/p4p2/1p2p1p1/4P3/PP2bP2/2B1b2p/6PP/6RK b - - acd 39/59; acs 572 ; acn 4179457730; ce 32732 ; bm Kf8; pv Kf8 a5 bxa5 Bb2 axb4 Ba1 Kg8 Bb2 Kg7 Bc1 hxg2+ Rxg2 Bxg2+ Kxg2 Bxc1 Kf3 b3 h4 b2 h5 b1Q h6+ Kxh6 Ke2 Bxf4 Kf3 Bxe5 Kg2 Qc2+ Kf3 Qd2 Kg4 Qf4+ Kh3 Qg3+;
6k1/p4p2/1p2p1p1/4P3/PP2bP2/2B1b2p/6PP/6RK b - - acd 39/59; acs 572 ; acn 4179457730; ce 4627 ; bm Bd5; pv Bd5 Bb2 Kh7 Bc1 hxg2+ Rxg2 Bxc1 f5 gxf5 Kg1 Bxg2 Kxg2 Kh6 Kf2 Kg5 h3 Kh4 Ke2 Bf4 Kd3 Bxe5 Kc4 Kxh3 Kd3 Kg3 Ke2 Kg4 Kd3 Kg5 Ke3 Kh5 Kf3 Bh2 Ke2 Kg6 Kf3 Kg5 Kf2 Kh4 Kf3;
6k1/p4p2/1p2p1p1/4P3/PP2bP2/2B1b2p/6PP/6RK b - - acd 38/59; acs 572 ; acn 4179457730; ce 4527 ; bm Bb7; pv Bb7 a5 bxa5 bxa5 Kg7 Bb2 Kh6 Bc1 hxg2+ Rxg2 Bxc1 Kg1 Bxg2 Kxg2 Bxf4 a6 Bxe5 h3 Kh5 Kf3 f5 Ke3 Kh4 Kd3 Kg3 h4 Kxh4 Kc4 Kh3 Kd3 g5 Kc4 g4 Kb5 g3 Kc6 g2 Kd7 g1Q;
6k1/p4p2/1p2p1p1/4P3/PP2bP2/2B1b2p/6PP/6RK b - - acd 38/59; acs 572 ; acn 4179457730; ce 1577 ; bm a6; pv a6 Be1 Kh7 Bh4 Kh6 a5 Kh5 Bd8 bxa5 bxa5 Kg4 Bb6 Bxb6 axb6 hxg2+ Rxg2+ Kh3 Kg1 Bxg2 Kf2 Kxh2 Ke2 Kg3 Kd2 Kxf4 Kd3 Bf3 Kc4 Kxe5 Kb4 g5 Kc3 Bd5 Kd2 f5 Kc3 g4 Kd2 a5 Ke2 f4 Kd3 g3 Ke2 f3+ Ke3 f2;

6k1/5rpp/8/2Np4/1Pn3R1/4Q2P/q2r1PP1/5RK1 w - - acd 35; acs 499; bm Qe8+; c0 "Qe8 is a faster mate, but both moves win."; c3 "Rxg7+"; ce 32736; dm 15; id "LK.280"; pm Qe8+; pv Qe8+ Rf8 Qe7 Qb2 Nd7 Ra8 Nf6+ Qxf6 Qxf6 g6 Re1 Rxf2 Rxg6+ hxg6 Qxg6+ Kf8 Kxf2 Nd2 Qf5+ Kg8 Qxd5+ Kh8 Qxa8+ Kg7 Qb7+ Kf8 Qd7 Ne4+ Rxe4 Kg8 Re8+;
6k1/5rpp/8/2Np4/1Pn3R1/4Q2P/q2r1PP1/5RK1 w - - acd 35/68; acs 499 ; acn 4234552542; ce 32736 ; bm Qe8+; pv Qe8+ Rf8 Qe7 Qb2 Nd7 Ra8 Nf6+ Qxf6 Qxf6 g6 Re1 Rxf2 Rxg6+ hxg6 Qxg6+ Kf8 Kxf2 Nd2 Qf5+ Kg8 Qxd5+ Kh8 Qxa8+ Kg7 Qb7+ Kf8 Qd7 Ne4+ Rxe4 Kg8 Re8+;
6k1/5rpp/8/2Np4/1Pn3R1/4Q2P/q2r1PP1/5RK1 w - - acd 35/68; acs 499 ; acn 4234552542; ce 32732 ; bm Rxg7+; pv Rxg7+ Kh8 Rg8+ Kxg8 Qg5+ Rg7 Qd8+ Kf7 Qd7+ Kf6 Qe6+ Kg5 h4+ Kxh4 Qf6+ Kh5 Ne6 Qa7 Nxg7+ Qxg7 Qxg7 Ne5 Qxe5+ Kg6 Qe6+ Kg7 Ra1 Rd1+ Rxd1 d4 Rxd4 h5 Rd7+ Kf8 Qf7+;
6k1/5rpp/8/2Np4/1Pn3R1/4Q2P/q2r1PP1/5RK1 w - - acd 35/68; acs 499 ; acn 4234552542; ce 179 ; bm Qh6; pv Qh6 Qb2 Ne6 Rdxf2 Rxg7+ Qxg7 Qxg7+ Rxg7 Rxf2 Rf7 Kf1 Ne5 b5 Nd7 Nd8 Rf8 Nc6 Rf7 Ke1 Kg7 Ra2 Kf6 Ra7 Nb6 Rxf7+ Kxf7 Kd2 Ke6 Ke3 Kd6 Kd4 Na8 Nd8 Kc7 Ne6+ Kb6 Nf4 Nc7 Nxd5+ Nxd5 Kxd5 Kxb5 g4 Kb6 Kd6 Ka5 Ke5;
6k1/5rpp/8/2Np4/1Pn3R1/4Q2P/q2r1PP1/5RK1 w - - acd 35/68; acs 499 ; acn 4234552542; ce 169 ; bm Qg3; pv Qg3 h6 Ne6 Qa7 Kh2 Re2 Nf4 Re8 Nxd5 Nd2 Rc1 Ne4 Qe3 Qxe3 fxe3 Re5 Kg1 Rxd5 Rxe4 Rd2 h4 Rb2 Rc8+ Kh7 Kh2 Rb7 Rcc4 Rf7 Kh3 Rff2 Rg4 Rf7 Kg3 Rb3 Rce4 Rb2 Rgf4 Rb7 Rc4 Rb6 Kf3 g5 Rg4;
6k1/5rpp/8/2Np4/1Pn3R1/4Q2P/q2r1PP1/5RK1 w - - acd 34/68; acs 499 ; acn 4234552542; ce 150 ; bm Qg5; pv Qg5 h6 Qxh6 Ne5 Rxg7+ Rxg7 Ne6 Qa7 Qf6 Re2 Rc1 Qxf2+ Qxf2 Rxf2 Nxg7 Rb2 Nf5 Ng6 g3 Ne5 Rf1 Kh7 Rf4 Nc6 h4 Rxb4 Rxb4 Nxb4 Kf2 Kg6 Nd4 Nd3+ Ke3 Ne5 Ne2 Kh5 Kd4 Nf3+ Kxd5 Kg4 Ke4;
6k1/5rpp/8/2Np4/1Pn3R1/4Q2P/q2r1PP1/5RK1 w - - acd 34/68; acs 499 ; acn 4234552542; ce 107 ; bm Qc3; pv Qc3 Qb2 Qxb2 Rxb2 Rd4 Nb6 Ne6 h6 f4 g6 Rf2 Rxf2 Kxf2 Ra7 Nc5 Ra2+ Kf3 Rb2 g4 Rh2 Kg3 Rc2 f5 Rc4 Rxc4 dxc4 Kf4 c3 Ke3 Nd5+ Kd3 gxf5 gxf5 Kf7 Ne4 Nxb4+ Kxc3 Nd5+ Kd4 Nf4;
6k1/5rpp/8/2Np4/1Pn3R1/4Q2P/q2r1PP1/5RK1 w - - acd 34/68; acs 499 ; acn 4234552542; ce 60 ; bm Qe1; pv Qe1 Re2 Qc3 h6 Ra1 Qd2 Qxd2 Rxd2 Ne6 g5 f4 Re7 Re1 d4 fxg5 Ne3 Rxd4 Rxg2+ Kh1 Rg3 Re4 Rxh3+ Kg1 Nd5 Rc4 Rg3+ Kf2 Rb3 gxh6 Rxb4 Rxb4 Nxb4 Kg3 Nd5 Kh4 Kh7 Kg5 Re8 Re5 Rg8+ Kf5 Nc7 Nxc7 Kxh6 Re6+ Kh5 Ke4 Rg4+ Kf5 Rg5+ Kf4;

2k4r/1pp1q1p1/2n1b3/1Q3p1p/2Pr2n1/6P1/3NPPBP/R4RK1 w - - acd 45; acs 2401; bm Bxc6; c0 "While Qxb7 probably wins, Bxc6 is a much better move."; c3 "Qxb7+"; c4 "Reinfeld.711.1001"; ce 32710; dm 29; id "WCSAC.0711"; pm Bxc6; pv Bxc6 bxc6 Qxc6 Kd8 Ra8+ Bc8 Rxc8+ Kxc8 Ra1 Qb4 Ra8+ Qb8 Qe6+ Rd7 Qa6+ Kd8 Rxb8+ Ke7 Rxh8 h4 Qg6 Nf6 Nf3 Ke6 Nxh4 f4 Nf5 Rd6 Re8+ Kd7 Qxg7+ Kc6 Nxd6 Nxe8 Nxe8 Kc5 gxf4 Kb4 Nxc7 Kc5 f5 Kb4 f6 Ka3 Kf1 Kb2 f7+ Kc2 f8=Q Kc1 Kg1 Kc2;
2k4r/1pp1q1p1/2n1b3/1Q3p1p/2Pr2n1/6P1/3NPPBP/R4RK1 w - - acd 37/65; acs 1712 ; acn 14640770323; ce 4795 ; bm Bxc6; pv Bxc6 bxc6 Qxc6 Kd8 Ra8+ Bc8 Rxc8+ Kxc8 Ra1 Qb4 Ra8+ Qb8 Qe6+ Rd7 Qa6+ Kd8 Rxb8+ Ke7 Rxh8 Ne5 Qa5 Nf7 Rg8 Kf6 Qc3+ Ke7 Rxg7 h4 gxh4 f4 Qe5+ Kf8 Qf6 f3 Rh7 Ke8 Qg7 Re7 Nxf3 Kd7 Ne5+ Kd6 Nxf7+ Kc5;
2k4r/1pp1q1p1/2n1b3/1Q3p1p/2Pr2n1/6P1/3NPPBP/R4RK1 w - - acd 36/65; acs 1712 ; acn 14640770323; ce 687 ; bm Nb3; pv Nb3 Kd8 Ra8+ Bc8 Qxb7 Qd7 Bxc6 Ke7 Bxd7 Bxb7 Rxh8 Rxd7 Nc5 Bc6 Nxd7 Bxd7 Rxh5 Nf6 Rh8 Ne4 Ra1 Ng5 f3 Ne6 Kf2 Kf6 Rha8 Bc6 R8a6 Bd7 Rd1 Bc8 Ra8 Bb7 Ra7 Bc6 h4 g6 Rda1 Bd7 R1a5 Bc8 Ra8 Bb7 Rh8 Bc6 Rh7 Bb7 Ra7 Bc6 Ra6 Bb7;
2k4r/1pp1q1p1/2n1b3/1Q3p1p/2Pr2n1/6P1/3NPPBP/R4RK1 w - - acd 36/65; acs 1712 ; acn 14640770323; ce 629 ; bm Ra8+; pv Ra8+ Kd7 Qxb7 Qd6 Rxh8 Ke7 Bxc6 Rxd2 Qa8 Bf7 c5 Qe5 Qf8+ Kf6 Rxh5 Rxe2 Bd7 Qe7 Rxf5+ Kg6 Qxe7 Rxe7 Rxf7 Kxf7 Bxg4 Re5 Rc1 Kf6 Kg2 Re4 Bf3 Rb4 Rd1 Rc4 c6 g5 h3 Ra4 Rd7 Ra7 h4 gxh4 gxh4 Kf5 Kg3 Ra3 Rxc7;
2k4r/1pp1q1p1/2n1b3/1Q3p1p/2Pr2n1/6P1/3NPPBP/R4RK1 w - - acd 36/65; acs 1712 ; acn 14640770323; ce 419 ; bm Qxb7+; pv Qxb7+ Kxb7 Rfb1+ Qb4 Rxb4+ Kc8 Bxc6 Kd8 Rb8+ Ke7 Rxh8 Rxd2 Bb5 Rd8 Rxh5 Nf6 Rh3 Rc8 Rh4 Kd6 Ra7 Ne4 e3 Rb8 f3 Nc3 Rd4+ Ke5 Rd2 Nxb5 cxb5 Rxb5 Rxc7 Kf6 Rc6 Ke7 Kf2 Rb7 h4 Ra7 Rdc2 Kd7 R6c3 Kd6 Rd2+ Ke7 Rc5 Kf6;
2k4r/1pp1q1p1/2n1b3/1Q3p1p/2Pr2n1/6P1/3NPPBP/R4RK1 w - - acd 36/65; acs 1712 ; acn 14640770323; ce 356 ; bm h3; pv h3 Kd7 Nb3 Rxc4 hxg4 hxg4 Qxb7 Qe8 Rfc1 Qb8 Bxc6+ Ke7 Rxc4 Bxc4 Nd4 Kf6 Ra5 g6 Rc5 Ba6 Qxb8 Rxb8 Bg2 Rb1+ Kh2 Rb6 Rxc7 Rd6 e3 Bd3 Rc3 Ba6 Bc6 Rd8 Kg2 Rd6 Rc1 Bd3 Rd1 Bc4 Ra1 Bd3 Rc1 Ke5 Rc5+ Kf6 Kh2 Rd8 Kg1 Rb8 Rd5;
2k4r/1pp1q1p1/2n1b3/1Q3p1p/2Pr2n1/6P1/3NPPBP/R4RK1 w - - acd 36/65; acs 1712 ; acn 14640770323; ce 325 ; bm Qb2; pv Qb2 Nge5 Bxc6 Nxc6 Ra8+ Kd7 Rxh8 Qb4 Qxb4 Nxb4 Nf3 Re4 e3 Bxc4 Rd1+ Bd5 Rxh5 g6 Rh7+ Kd6 Nd4 c5 Nb5+ Kc6 Na7+ Kd6 Rxb7 Re6 Nb5+ Ke5 Rc7 Bc6 Na7 Rd6 Rc1 Bd5 Nc8 Re6 Ne7 Na6 Nxd5 Kxd5 Rd1+ Kc4 Rc8 Rb6 Rc1+ Kd5 Ra1;
2k4r/1pp1q1p1/2n1b3/1Q3p1p/2Pr2n1/6P1/3NPPBP/R4RK1 w - - acd 36/65; acs 1712 ; acn 14640770323; ce 298 ; bm Rfc1; pv Rfc1 Rxd2 Qxb7+ Kxb7 Rcb1+ Qb4 Rxb4+ Kc8 Bxc6 Kd8 Rb8+ Ke7 Rxh8 Bxc4 Rxh5 Kf6 Rh8 Ne5 Rc1 Bxe2 Rf8+ Ke6 f4 Nd3 Rb1 Rc2 Re8+ Kf7 Ba4 Ra2 Bb3+ Kxe8 Bxa2 Kd7 Rb8 g6 Bf7 Bh5 Rg8 c5 Kg2 Kc7 h4 Kd7 Kf1 Kc6 Rd8 Nb4 Rc8+ Kb5 Rb8+ Kc6 Rd8;

1k6/p5p1/PpB4p/2b5/4P1b1/2N5/1P3qPP/2Q4K b - - acd 49; acs 4860; bm Be3; c0 "Must be a typo in best move, since Bh3 is not a good move. Be3, on the other hand, is devastating."; c3 "Bh3"; ce 32718; dm 25; id "MG 4067"; pm Be3; pv Be3 Qxe3 Qxe3 h3 Qc1+ Kh2 Bc8 Kg3 Qe3+ Kh2 Qf4+ Kh1 Qc1+ Kh2 Qxb2 Na4 Qc2 Bd5 Qxa4 h4 Qb5 Kg3 Qe2 Kh2 Bxa6 Bc6 Qg4 Kg1 Qd1+ Kf2 Qc2+ Kf3 Qxc6 Ke3 Qc3+ Kf2 Qd2+ Kf3 Qe2+ Kg3 g5 hxg5 hxg5 Kh2 Bb7 Kg3 Bxe4 Kh2 Qxg2+;
1k6/p5p1/PpB4p/2b5/4P1b1/2N5/1P3qPP/2Q4K b - - acd 39/78; acs 1795 ; acn 15571201416; ce 6500 ; bm Be3; pv Be3 Qxe3 Qxe3 h3 Qc1+ Kh2 Bc8 e5 Qxb2 Ne4 Kc7 Ba8 Qxe5+ Ng3 Bxa6 Be4 Bc4 Bh7 a5 Bc2 b5 h4 a4 Bb1 a3 Kh3 Qe1 Nf5 Qxb1 Nd4 Qh1+ Kg4 Qxg2+ Kf4 Qf2+ Ke4 Qxh4+ Ke3 Qe1+ Kf3 Qd1+ Ke4 Qd3+ Kf4 Qxd4+ Kf3 a2 Kg3 a1Q;
1k6/p5p1/PpB4p/2b5/4P1b1/2N5/1P3qPP/2Q4K b - - acd 39/78; acs 1795 ; acn 15571201416; ce 70 ; bm Bd6; pv Bd6 Bb5 h5 Bd3 Bc8 Ne2 h4 h3 Bxh3 Qg1 Qxg1+ Nxg1 Bd7 Nf3 Bg3 Nd4 Be5 Bb5 Bxd4 Bxd7 Kc7 Be8 Bxb2 Kh2 Kd6 Kh3 Bf6 Kg4 Ke5 Bc6 Be7 Kf3 g6 Kg4 g5 Kf3 Bb4 Kg4 Bd2 g3 hxg3 Kxg3;
1k6/p5p1/PpB4p/2b5/4P1b1/2N5/1P3qPP/2Q4K b - - acd 39/78; acs 1795 ; acn 15571201416; ce 66 ; bm h5; pv h5 Bb5 Bd6 Bd3 Bc8 Ne2 h4 h3 Bxh3 Qg1 Qxg1+ Nxg1 Bd7 Nf3 Bg3 Nd4 Be5 Bb5 Bxd4 Bxd7 Kc7 Bb5 Bxb2 Kh2 Kd6 Kh3 Bf6 Kg4 Ke5 Bc6 Be7 Kf3 g6 Kg4 g5 Kf3 Bb4 Kg4 Bd2 g3 hxg3 Kxg3 b5 Bxb5 Kxe4;
1k6/p5p1/PpB4p/2b5/4P1b1/2N5/1P3qPP/2Q4K b - - acd 39/78; acs 1795 ; acn 15571201416; ce 56 ; bm g5; pv g5 Bb5 Bd6 Bd3 h5 Qf1 Qxb2 Nb5 Be7 h4 Qe5 hxg5 Qg3 Nd4 Bd6 e5 Bc5 Nf3 Bxf3 gxf3 Qxg5 e6 Bd6 Qf2 Qf4 Be4 Qf6 Qc2 Qxe6 Kg2 Qg8+ Kf1 Qc8 Qc6 Qxc6 Bxc6 Be7 Kg2 Kc7 Be8 h4 Kh3 Kd6 Bf7 b5 f4 Kc5 Kg4 b4;
1k6/p5p1/PpB4p/2b5/4P1b1/2N5/1P3qPP/2Q4K b - - acd 39/78; acs 1795 ; acn 15571201416; ce 56 ; bm Bc8; pv Bc8 Bb5 Bd6 Qd1 Be5 Qc1 g5 Nd5 Qh4 Qg1 Qxe4 Ne7 Bxb2 Nxc8 Kxc8 Qf2 Ba3 Qf7 Qe1+ Bf1 Bc5 Qg8+ Kc7 Qf7+ Be7 Qf3 Kd6 Qa3+ Ke6 Qb3+ Kf6 Qf3+ Kg7 g3 h5 Kg2 Bc5 Qb7+ Kf6 Qc6+ Qe6 Qxe6+ Kxe6 Bb5 Bd6 h4 Kf7 hxg5 Kg6 Kf3 Kxg5 Bd3 Be5 Bb5 Kf6;
1k6/p5p1/PpB4p/2b5/4P1b1/2N5/1P3qPP/2Q4K b - - acd 38/78; acs 1795 ; acn 15571201416; ce 32 ; bm Bd4; pv Bd4 Bb5 Be5 Qf1 Qxb2 Nd5 Qa3 Qf7 Qc1+ Bf1 Bc8 Qf8 h5 Ne7 Bd6 Qxc8+ Qxc8 Nxc8 Kxc8 g3 Kc7 Bb5 Be5 Kg2 h4 gxh4 Kd6 Kf3 Kc5 Bd7 b5 Ke3 Bxh2 h5 Kc4 Kd2 Bf4+ Kc2 Be5 Bc6 Kc5 Bb7 Kd4 Bc6 b4;
1k6/p5p1/PpB4p/2b5/4P1b1/2N5/1P3qPP/2Q4K b - - acd 38/78; acs 1795 ; acn 15571201416; ce 27 ; bm g6; pv g6 Bb5 Bd6 Bd3 g5 Nd5 h5 Qc3 Bh3 Qh8+ Bc8 Qf6 Qxf6 Nxf6 Be5 Nd5 Bxb2 Bb5 h4 Ne7 Kc7 Nxc8 Kxc8 Kg1 Bd4+ Kf1 Kc7 Ke2 Kd6 Kf3 Kc5 Be8 b5 Kg4 b4 Bf7 Be5 Kxg5 Bxh2 Kxh4 Kd4 g4 Kxe4 g5 Kf5 Bb3 Be5 Bc2+ Kf4;
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Dann Corbit
Posts: 12838
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: BWTC some of the harder problems are buggy

Post by Dann Corbit »

My analyzed BWTC data (some ID values do not match, because many sets include these problems):

Code: Select all

No mates for these:
rn3rk1/pp3ppp/3b1n2/2pPq3/2B1P3/1NN2bP1/PPPQ1P1P/R1B2RK1 b - - acd 43; acs 3157; bm Qh5; c0 "level: med-14"; c3 "Qh5"; ce -49; id "OP 0181"; pm Qh5; pv Qh5 Re1 Ng4 h4 Ne5 Bf1 Bxe4 Be2 Bf3 Qd1 Bxe2 Rxe2 Nbd7 Nd2 f5 Re1 Qg6 Nf1 Rae8 Bf4 Nc4 Bxd6 Nxd6 Rxe8 Rxe8 Qd2 Ne5 Qf4 Nec4 a4 Qf6 Ne3 Nxe3 fxe3 b6 Rf1 Re5 Re1 a6 Qf1 b5 axb5 axb5 Nxb5 Rxd5 Nc3 Rd2 Re2 Rxe2 Qxe2 Qe5 Qf3 Ne4 Qf4 Qxf4; 
r1b4r/pp1pR2p/2q2p1k/6p1/3BR3/2PB4/P1P2PPP/6K1 w - - acd 40; acs 3233; bm Rf7; c0 "level: hard-15"; c3 "Rh4+"; ce 494; id "MG 3825"; pm Rf7; pv Rf7 Qxe4 Bxe4 d5 Rxf6+ Kg7 Bxd5 Re8 g4 Bxg4 Rf4+ Kg6 Rxg4 h5 Rg3 Rac8 Bxb7 Rb8 Ba6 h4 Rf3 Rf8 Re3 Rfe8 Bd3+ Kh5 Bxa7 Rxe3 Bxe3 Rb2 Kg2 Rxa2 c4 Ra6 c5 Re6 Be2+ Kg6 Kf3 Kh5 Bd3 Re8 c6 Rc8 Be4 g4+ Kg2 Re8 f3 Re7 Bb6 h3+ Kg3; 
r2k3r/pbp2pp1/6p1/8/2Bp4/P1nP4/P4PPP/R1B2RK1 b - - acd 40; acs 3421; bm Ne2+; c0 "level: easy-2"; c3 "Ne2+"; ce 812; id "MG 1669"; pm Ne2+; pv Ne2+ Kh1 Kd7 Bf4 Nxf4 f3 Ne2 h3 Ng3+ Kg1 Nxf1 Kxf1 f6 Ke2 Rae8+ Kf2 g5 Rb1 Rb8 Rc1 Kd6 Rc2 Bc6 Bb3 Bb5 Bf7 Be8 Bc4 Ba4 Rd2 Bc6 Kg3 Rhe8 Bf7 Re3 Bc4 Rb1 h4 gxh4+ Kxh4 Bb5 Bxb5 Rxb5 Kg4 Ra5 a4 Rxa4 Kf5 Ra3 Kg6 Raxd3 Rb2 c5 Kxg7 c4 Kf7; 
r1bq1r2/ppp2pkp/3p2nn/2bN2NQ/2B1P3/8/PPp3PP/R1B2R1K w - - acd 39; acs 2985; bm Nf6; c0 "level: med-13"; c3 "Qxh6+"; c4 "POL-UNK {The unknown Polgar}"; ce 1808; id "MG 3500"; pm Nf6; pv Nf6 Qxf6 Rxf6 Bg4 Qxh6+ Kxf6 Nxh7+ Ke7 Qg5+ Kd7 Qxg4+ Kc6 Qh3 b5 Bd5+ Kb6 Nxf8 Rxf8 a4 Ne5 axb5 c6 bxc6 Kc7 Qb3 Rb8 Qxc2 Rb5 Ra6 Rb4 Bd2 Rb5 Bc4 Rb6 Rxa7+ Kc8 Ra8+ Kc7 Bd5 Rxc6 Bxc6 Nxc6 Bf4 Kb7 Qa4 Kc7 Qc4 f5 Qxc5 Kb7 Qa3 fxe4; 
r1b1r1k1/ppq2p1p/3b1ppQ/2n5/8/3B2N1/PPP2PPP/R1B2RK1 w - - acd 41; acs 3354; bm Nh5; c0 "level: med-6"; c3 "Nh5"; c4 "Reinfeld.368.1001"; ce 1981; id "WCSAC.0368"; pm Nh5; pv Nh5 Bxh2+ Kh1 gxh5 Bxh7+ Kh8 Bg6+ Kg8 Qh7+ Kf8 Bh6+ Ke7 Qxf7+ Kd6 Qxe8 Bd7 Qxa8 Be5 Rad1+ Kc6 b4 Qb8 Qxb8 Bxb8 bxc5 Be5 f4 Bc3 Rd3 Ba5 Bg7 Kc7 Bxf6 b6 cxb6+ axb6 Be5+ Kc8 Rfd1 Bc6 f5 Kb7 f6 Bb4 Rd8 b5 Bd6 Bc3 f7 Bg7 Be5 Bxe5 f8=Q h4 Qc5 Bc7 Qe7; 
r3rn1k/pbqnb1pp/1pp2p2/2P2P2/2BPQ2N/P3PR2/1P4PP/R1B3K1 w - - acd 37; acs 2867; bm Qe6; c0 "level: med-5"; c3 "Qe6"; ce 2365; id "MG 2377"; pm Qe6; pv Qe6 Qxh2+ Kxh2 Bd6+ Qxd6 Rad8 Qc7 Bc8 b4 a5 Rg3 Ba6 Bxa6 b5 bxa5 Kg8 Qxc6 Nb8 Qxb5 Rd7 Bb7 Kh8 Rf3 Ree7 c6 Nxc6 Bxc6 Rd8 e4 h6 Qc5 Rc7 d5 Rdc8 Bf4 Nd7 Ng6+ Kh7 Qb5 Ne5 Nxe5 fxe5 Bxe5 Re7 Qb2 Rg8 Rg3 Ra7 a6; 

The following are all resolved to checkmate:
2k4r/1pp1q1p1/2n1b3/1Q3p1p/2Pr2n1/6P1/3NPPBP/R4RK1 w - - acd 45; acs 2401; bm Bxc6; c0 "level: med-13"; c3 "Qxb7+"; c4 "Reinfeld.711.1001"; ce 32710; dm 29; id "WCSAC.0711"; pm Bxc6; pv Bxc6 bxc6 Qxc6 Kd8 Ra8+ Bc8 Rxc8+ Kxc8 Ra1 Qb4 Ra8+ Qb8 Qe6+ Rd7 Qa6+ Kd8 Rxb8+ Ke7 Rxh8 h4 Qg6 Nf6 Nf3 Ke6 Nxh4 f4 Nf5 Rd6 Re8+ Kd7 Qxg7+ Kc6 Nxd6 Nxe8 Nxe8 Kc5 gxf4 Kb4 Nxc7 Kc5 f5 Kb4 f6 Ka3 Kf1 Kb2 f7+ Kc2 f8=Q Kc1 Kg1 Kc2; 
1k6/p5p1/PpB4p/2b5/4P1b1/2N5/1P3qPP/2Q4K b - - acd 49; acs 4860; bm Be3; c0 "level: hard-16"; c3 "Bh3"; ce 32718; dm 25; id "MG 4067"; pm Be3; pv Be3 Qxe3 Qxe3 h3 Qc1+ Kh2 Bc8 Kg3 Qe3+ Kh2 Qf4+ Kh1 Qc1+ Kh2 Qxb2 Na4 Qc2 Bd5 Qxa4 h4 Qb5 Kg3 Qe2 Kh2 Bxa6 Bc6 Qg4 Kg1 Qd1+ Kf2 Qc2+ Kf3 Qxc6 Ke3 Qc3+ Kf2 Qd2+ Kf3 Qe2+ Kg3 g5 hxg5 hxg5 Kh2 Bb7 Kg3 Bxe4 Kh2 Qxg2+; 
2Q5/5ppk/7p/Q7/8/5P1R/5KPP/1q1q4 b - - acd 35; acs 10; bm Qd4+; c0 "level: med-3"; c3 "Qd4+"; ce 32734; dm 17; id "MG 1964"; pm Qd4+; pv Qd4+ Kg3 Qd6+ f4 Qbd3+ Kg4 Qe2+ Rf3 Qxg2+ Rg3 Qg6+ Qg5 Qe2+ Rf3 hxg5 Qf5 Qxf3+ Kxf3 Qxf5 Ke2 gxf4 h4 Qe6+ Kd2 f3 Kd3 f2 h5 f1Q+ Kd2 Qec4; 
6k1/5rpp/8/2Np4/1Pn3R1/4Q2P/q2r1PP1/5RK1 w - - acd 35; acs 499; bm Qe8+; c3 "Rxg7+"; ce 32736; dm 15; id "LK.280"; pm Qe8+; pv Qe8+ Rf8 Qe7 Qb2 Nd7 Ra8 Nf6+ Qxf6 Qxf6 g6 Re1 Rxf2 Rxg6+ hxg6 Qxg6+ Kf8 Kxf2 Nd2 Qf5+ Kg8 Qxd5+ Kh8 Qxa8+ Kg7 Qb7+ Kf8 Qd7 Ne4+ Rxe4 Kg8 Re8+; 
r2qk1r1/p4p2/bp2pQp1/1n1pP1Bp/7P/3P2N1/P1R2PP1/2R3K1 w q - acd 55; acs 512; bm Rc8; c0 "level: easy-1"; c3 "Rc8"; ce 32736; dm 16; id "MG 0029"; pm Rc8; pv Rc8 Rxc8 Rxc8 Kd7 Rxd8+ Rxd8 Qxd8+ Kc6 Qe8+ Kb7 Qxf7+ Nc7 Bd8 Bxd3 a4 Ka6 Qxc7 Bc4 Be7 Ka5 Ne4 Kxa4 Qxa7+ Kb3 Qa3+ Kc2 Qc3+ Kb1 Nd2+ Ka2 Qa3+; 
6k1/p4p2/1p2p1p1/4P3/PP2bP2/2B1b2p/6PP/6RK b - - acd 42; acs 201; bm Kg7 Kh7; c0 "level: hard-15"; c3 "Kh7"; c4 "Reinfeld.97.1001"; ce 32740; dm 14; id "WCSAC.0097"; pm Kg7; pv Kg7 Bb2 Kh6 Bc1 Bf2 Bd2 Kh5 Be1 Be3 b5 Kg4 Bd2 Bxd2 Rf1 hxg2+ Kg1 gxf1=Q+ Kxf1 Kf3 h3 Bd3+ Kg1 Kg3 Kh1 Be3 f5 Be4+; 
2r4r/3Q1bk1/pq4p1/5R2/2p5/2P2P2/PP5P/6RK b - - acd 23; acs 5; bm Rxh2+; c0 "level: easy-1"; c3 "Rxh2+"; ce 32742; dm 13; id "MG 0485"; pm Rxh2+; pv Rxh2+ Kxh2 Qf2+ Rg2 Rh8+ Rh5 Rxh5+ Qh3 Rxh3+ Kxh3 Qxf3+ Rg3 Qf1+ Kh2 Bd5 Rg5 Qf2+ Kh3 Be6+ Rg4 g5 a4 Qg1 b3 Bxg4#; 
5rk1/4R1p1/pqpp3p/2bp1b1Q/5P2/2P4P/P2B2PK/4R3 w - - acd 21; acs 385; bm Rxg7+; c0 "level: hard-15"; c3 "Rxg7+"; ce 32742; dm 13; id "MG 3826"; pm Rxg7+; pv Rxg7+ Kxg7 Re7+ Kg8 Qxh6 Bg1+ Kh1 Bd4 cxd4 Qxd4 Qg5+ Kh8 Qh4+ Kg8 Qg3+ Kh8 Bc3 Qxc3 Qxc3+ d4 Qxd4+ Rf6 Qxf6+ Kg8 Qg7#; 
8/7Q/6p1/7p/6qk/8/7K/8 w - - acd 54; acs 198; bm Qe7+; c0 "level: easy-1"; c3 "Qe7+"; c4 "Reinfeld.862.1001"; ce 32744; dm 12; id "WCSAC.0862"; pm Qe7+; pv Qe7+ Qg5 Qe4+ Qg4 Qe3 Qg2+ Kxg2 Kg4 Qf3+ Kg5 Kg3; 
r4r1k/1ppn1p1p/3p1pn1/p2P1N2/2P2PB1/5R1Q/PPq3PP/R5K1 w - - acd 41; acs 77; bm Qh6; c0 "level: med-3"; c3 "Qh6"; ce 32744; dm 12; id "MG 1947"; pm Qh6; pv Qh6 Qxg2+ Kxg2 Nxf4+ Rxf4 Rg8 Ne7 f5 Kh1 Rxg4 Rxg4 fxg4 Rf1 Rf8 Rf6 g3 Nf5 g2+ Kg1 Rg8 Qxh7+ Kxh7 Rh6+; 
1r3rk1/3b2p1/3q1nQp/R7/2p1p3/2N4P/PP2R1P1/1B5K b - - acd 42; acs 119; bm Ng4; c0 "level: easy-1"; c3 "Ng4"; c4 "Reinfeld.702.1001"; ce 32746; dm 11; id "WCSAC.0702"; pm Ng4; pv Ng4 g3 Qxg3 Rf5 Bxf5 Qd6 Qxd6 hxg4 Bxg4 Bxe4 Bxe2 Bd5+ Kh8 Bg2 Rxb2 a4 Qg3 Nxe2 Rxe2 Kg1 Qxg2+; 
6r1/p1pq1p1p/1p1p1Qnk/3PrR2/2n1P1PP/P1P5/4R3/6K1 w - - acd 23; acs 0; bm Rh5+; c0 "level: med-6"; c3 "Rh5+"; ce 32746; dm 11; id "MG 2554"; pm Rh5+; pv Rh5+ Rxh5 g5+ Rxg5+ hxg5+ Kh5 Rh2+ Nh4 Qh6+ Kg4 Qxh4+ Kf3 Rf2+ Ke3 Qg3+ Kxe4 Qf3+ Ke5 Re2+ Ne3 Rxe3#; 
r1b2r2/3pNpkp/3pn1p1/2pN3P/2PnP3/q3QP2/4BKP1/1R5R w - - acd 23; acs 568; bm Qh6+; c0 "level: med-14"; c3 "Qh6+"; c4 "(got a !? but game-theor optimal) (Krogius_EofCM) #1224 white_wins"; ce 32746; dm 11; id "WCSAC.0738"; pm Qh6+; pv Qh6+ Kxh6 hxg6+ Kg5 Rh5+ Kxh5 f4+ Qf3+ Bxf3+ Nxf3 Nf6+ Kh6 Rh1+ Nh2 Rxh2+ Kg7 Ne8+ Rxe8 Rxh7+ Kf8 Rxf7#; 
2qrr1n1/3b1kp1/2pBpn1p/1p2PP2/p2P4/1BP5/P3Q1PP/4RRK1 w - - acd 21; acs 0; bm Qh5+; c0 "level: med-14"; c3 "Qh5+"; c4 "Reinfeld.398.1001"; ce 32748; dm 10; id "WCSAC.0398"; pm Qh5+; pv Qh5+ Nxh5 fxe6+ Kg6 Bc2+ Kg5 Rf5+ Kg6 Rf6+ Kg5 Rg6+ Kh4 Re4+ Nf4 Rxf4+ Kh5 g3 c5 Rh4#; 
r3nr1k/ppqbNpp1/7p/2p1p3/2B4Q/P4P2/1PP4P/2KR2R1 w - - acd 21; acs 83; bm Rxg7; c0 "level: med-13"; c3 "Rxg7"; ce 32748; dm 10; id "MG 3501"; pm Rxg7; pv Rxg7 Qb6 Rg6 Qxg6 Nxg6+ Kg7 Nxf8 Nf6 Nxd7 Nh7 Rg1+ Ng5 Rxg5+ hxg5 Qxg5+ Kh7 Nf6+ Kh8 Qh6#; 
rnb4r/ppp1q3/6kp/3PB3/3P2pP/2b5/PPP3P1/R2Q1RK1 w - - acd 21; acs 0; bm Qd3+; c0 "level: easy-1"; c3 "Qd3+"; ce 32748; dm 10; id "MG 0514"; pm Qd3+; pv Qd3+ Kh5 Rf5+ Bxf5 Qxf5+ Qg5 hxg5 Bxd4+ Bxd4 Nd7 g6+ Kh4 g3+ Kh3 Qh5+ Kxg3 Rf1 c6 Qh2#; 
1k1r4/1bp2p2/1p6/2r1PB1p/PQ4pP/6B1/5PP1/6K1 b - - acd 19; acs 0; bm Rd1+; c3 "Rd1+"; ce 32750; dm 9; id "BWTC.0570"; pm Rd1+; pv Rd1+ Kh2 Rcc1 Qf8+ Ka7 Qb8+ Kxb8 Bf4 Rh1+ Kg3 Rh3+ gxh3 Rg1+ Kh2 Rh1+ Kg3 Rxh3#; 
3q1rk1/5pp1/3p3p/1Q1N3P/2p3P1/R4n2/rPP5/2K4R b - - acd 19; acs 0; bm Ra1+; c0 "level: med-6"; c3 "Ra1+"; ce 32750; dm 9; id "MG 2556"; pm Ra1+; pv Ra1+ Rxa1 Qg5+ Nf4 Qxf4+ Kb1 Nd2+ Kc1 Nb3+ Kb1 Qc1+ Rxc1 Nd2+ Ka2 Ra8+ Qa4 Rxa4#; 
kn1r1b1r/p1p1n3/Qp1p1p1p/P3p3/4P1pq/2PPB3/1P1N1PPP/R3NR1K w - - acd 19; acs 385; bm Qxa7+; c0 "level: med-12"; c3 "Qxa7+"; ce 32750; dm 9; id "MG 3359"; pm Qxa7+; pv Qxa7+ Kxa7 axb6+ Kb7 Ra7+ Kc6 Rxc7+ Kb5 c4+ Ka5 Nc2 Qxh2+ Kxh2 g3+ fxg3 Rd7 Ra1#; 
r1b2rk1/pp1p1pp1/1q1n2np/2b3NQ/2B1N3/8/PP3PPP/R1B2RK1 w - - acd 19; acs 0; bm Qxg6; c0 "level: easy-1"; c3 "Qxg6"; ce 32750; dm 9; id "MG 0398"; pm Qxg6; pv Qxg6 Re8 Nxd6 Qxd6 Qxf7+ Kh8 Qxe8+ Qf8 Qg6 Qg8 Bxg8 Kxg8 Qf7+ Kh8 Qe8+ Bf8 Qxf8#; 
r1b4k/ppp2Bb1/6Pp/3pP3/1qnP1p1Q/8/PPP3P1/1K1R3R w - - acd 19; acs 7; bm Qd8+; c3 "Qd8+"; c4 "Reinfeld.574.1001"; ce 32750; dm 9; id "WCSAC.0574"; pm Qd8+; pv Qd8+ Qf8 Rxh6+ Bxh6 Qf6+ Qg7 Rh1 Nd2+ Kc1 Bh3 Rxh3 Nb3+ cxb3 Qxf6 exf6 Rb8 Rxh6#; 
r1bk3r/pp5p/2nN4/3N2qn/2Kbppp1/P7/1PP1B1P1/R1BQ3R b - - acd 19; acs 385; bm Qxd5+; c0 "level: med-12"; c3 "Qxd5+"; ce 32750; dm 9; id "MG 3358"; pm Qxd5+; pv Qxd5+ Kxd5 Nf6+ Kc4 Be6+ Kb5 a6+ Ka4 b5+ Nxb5 axb5+ Kxb5 Ra5+ Kxc6 Bd5+ Kd6 Ne8#; 
r1bqkb1r/pppp1ppp/8/n1n1N3/2B5/2NP4/PPP2PPP/R1B1K2R w KQkq - acd 19; acs 385; bm Bxf7+; c0 "level: easy-1"; c3 "Bxf7+"; ce 32750; dm 9; id "MG 0290"; pm Bxf7+; pv Bxf7+ Ke7 Bg5+ Kd6 Nb5+ Kxe5 f4+ Kf5 Nd4+ Kg4 h3+ Kg3 Ne2+ Kxg2 Bd5+ Ne4 Bxe4#; 
r1br4/3n1Q2/p3p2p/1p1k4/4N2b/P3q3/1P4PP/1BR2R1K w - - acd 48; acs 592; bm Rfd1+ Rf5+; c3 "Qh5+"; ce 32750; dm 9; id "LK.341"; pm Rf5+; pv Rfd1+ Ke5 Rc5+ Nxc5 Qg7+ Kf4 Rf1+ Qf2 Nxf2 Nd3 Nxd3+ Ke3 Re1+ Bxe1 Qe5+ Kd2 Qxe1+; 
r3r1k1/4qppp/6B1/1QpR4/8/2P5/P4KPP/R7 b - - acd 19; acs 385; bm Rxa2+; c0 "level: easy-2"; c3 "Rxa2+"; ce 32750; dm 9; id "MG 1658"; pm Rxa2+; pv Rxa2+ Kg3 Qe3+ Kh4 Re4+ Bxe4 Qxe4+ Kh3 Qxg2+ Kh4 Qe4+ Kh3 Qf3+ Kh4 Rxh2+ Kg5 Rh5#; 
r3r1k1/pp3ppp/3b4/3q4/1n1B1P2/3B1P2/PP2Q2P/1K1R2R1 w - - acd 19; acs 385; bm Rxg7+; c0 "level: med-3"; c3 "Rxg7+"; c4 "Reinfeld.941.1001"; ce 32750; dm 9; id "WCSAC.0941"; pm Rxg7+; pv Rxg7+ Kf8 Rg8+ Kxg8 Rg1+ Kf8 Bg7+ Kg8 Bf6+ Kf8 Rg8+ Kxg8 Qg2+ Qg5 Qxg5+ Kf8 Qg7#; 
r7/5k1p/2pP2pP/1p6/1q3B2/1p2Q1P1/1P6/rNK1R2R b - - acd 19; acs 385; bm Rxb1+; c0 "level: med-11"; c3 "Rxb1+"; ce 32750; dm 9; id "MG 3217"; pm Rxb1+; pv Rxb1+ Kxb1 Ra1+ Kxa1 Qa4+ Kb1 Qa2+ Kc1 Qa1+ Kd2 Qxb2+ Kd3 Qc2+ Kd4 Qc4+ Ke5 Qd5#; 
2r2b1r/pN1k2pn/2pP1p2/4Pqnp/2Q5/2P3P1/PP4BP/2KRR3 w - - acd 17; acs 3601; bm Qf7+; c0 "level: med-10"; c3 "Qf7+"; ce 32752; dm 8; id "MG 3074"; pm Qf7+; pv Qf7+ Nxf7 e6+ Qxe6 Nc5+ Kd8 Nxe6+ Kd7 Nc5+ Kd8 Nb7+ Kd7 Bh3+ f5 Bxf5#; 
2r3k1/pp3p1p/7r/3pq3/8/1RPQPpP1/P6P/3R2K1 b - - acd 17; acs 313; bm Rxh2; c0 "level: med-13"; c3 "Rxh2"; ce 32752; dm 8; id "MG 3502"; pm Rxh2; pv Rxh2 Kxh2 Rc6 Qxh7+ Kxh7 Rb6 axb6 Rd4 Rh6+ Rh4 Rxh4+ Kg1 Qxe3+ Kf1 Rh1#; 
5nk1/5rpp/p3pr2/P1Q1p2q/4Pn2/2P1N3/1P3PPP/R3N1RK b - - acd 17; acs 111; bm Qxh2+; c0 "level: med-5"; c3 "Qxh2+"; c4 "Reinfeld.986.1001"; ce 32752; dm 8; id "WCSAC.0986"; pm Qxh2+; pv Qxh2+ Kxh2 Rh6+ Kg3 Ne2+ Kg4 Rf4+ Kg5 Rfh4 Qxf8+ Kxf8 g4 Nxg1 f3 Nh3#; 
5r2/2p3pk/1r1p3b/p1q1p3/6R1/P2P1p2/BPPQ1P1P/2K3R1 w - - acd 17; acs 4; bm Qxh6+; c0 "level: med-5"; c3 "Qxh6+"; c4 "(Kopec-Exercises-p.29) #35"; ce 32752; dm 8; id "MG 2376"; pm Qxh6+; pv Qxh6+ gxh6 Rg7+ Kh8 Bg8 Qxc2+ Kxc2 Rc6+ Kd2 Rc2+ Kxc2 Rxg8 Rxg8+ Kh7 R1g7#; 
r1b1k1nr/1p3n1p/p7/2Pp1P2/1qPpN1p1/1P6/5K1P/2B1RB2 w kq - acd 17; acs 18; bm Nf6+; c0 "level: easy-1"; c3 "Nf6+"; ce 32752; dm 8; id "MG 0265"; pm Nf6+; pv Nf6+ Kd8 Re8+ Kc7 Bf4+ Ne5 Bxe5+ Kc6 Rxc8+ Rxc8 cxd5+ Kxc5 Nd7+ Kxd5 Bg2#; 
r1b2r1R/1p2bpk1/4p1p1/4P1N1/p2p4/5Q2/qPP2PP1/1NKR4 w - - acd 22; acs 702; bm Qf6+; c0 "level: med-11"; c3 "Qf6+"; c4 "(got a !? but game-theor optimal) (Krogius_EofCM) #1280 white_wins"; ce 32752; dm 8; id "ECM.342"; pm Qf6+; pv Qf6+ Bxf6 Rh7+ Kg8 exf6 Qxb2+ Kxb2 a3+ Nxa3 e5 Rg7+ Kh8 Rh1+ Bh3 Rxh3#; 
r1bq1r2/pp4k1/4p2p/3pPp1Q/3N1R1P/2PB4/6P1/6K1 w - - acd 17; acs 1; bm Rg4+; c0 "level: easy-2"; c3 "Rg4+"; c4 "WinAtChess.051"; ce 32752; dm 8; id "MG 1647"; pm Rg4+; pv Rg4+ Qg5 hxg5 Rf7 Qxh6+ Kg8 Rh4 Rg7 Qh8+ Kf7 g6+ Ke7 Qxg7+ Ke8 Rh8#; 
r2q1r1k/pppbNppp/3p1P1n/2b1n1NQ/4P3/1B5P/PPP3P1/R1B2R1K w - - acd 24; acs 41; bm fxg7+; c0 "level: med-7"; c3 "fxg7+"; ce 32752; dm 8; id "MG 2670"; pm fxg7+; pv fxg7+ Kxg7 Qxh6+ Kxh6 Ne6+ Kh5 Rf5+ Kh4 Rf4+ Kh5 Ng7+ Kh6 Rg4+ Be3 Bxe3#; 
r3k2r/pp4pp/2pb1n2/3pq3/4pB2/1BN2bP1/PPPQ1P1P/R4RK1 b kq - acd 99; acs 164; bm Qe6 Qf5; c3 "Qh5"; ce 32752; dm 8; id "BWTC.0624"; pm Qf5; pv Qf5 Qxd5 cxd5 Ba4+ Kf7 Be8+ Raxe8 Nxd5 Nxd5 g4 Qxg4+ Bg3 Qh3 c3 Qg2#; 
r5kr/p3PR1p/1p4pq/4p3/8/3B4/P4QPP/6K1 w - - acd 17; acs 54; bm Rf8+; c3 "Rf8+"; ce 32752; dm 8; id "BWTC.0911"; pm Qf6; pv Qf6 b5 Bxb5 Qe3+ Kh1 Qe1+ Bf1 Qxf1+ Qxf1 h6 Rf8+ Rxf8 exf8=Q+ Kh7 Q8f7#; 
rnbqkb1r/pppp2pp/5p2/2n1N3/2B5/2N5/PPPP1PPP/R1BQK2R w KQkq - acd 17; acs 299; bm Qh5+; c0 "White Mates in 8. Terence Taylor vs Amateur, London, 1862"; c2 "Source: wtharvey.com"; c3 "Qh5+"; ce 32752; dm 8; id "wtharvey.com.12371"; pm Qh5+; pv Qh5+ g6 Bf7+ Ke7 Nd5+ Kd6 Nc4+ Kc6 Nb4+ Kb5 a4+ Kxb4 c3+ Kb3 Qd1#; 
rnbqr1k1/pp1p1p1p/2p2p2/4P2Q/8/3B4/P4PPP/R4RK1 w - - acd 17; acs 1304; bm Qxh7+; c0 "level: easy-1"; c3 "Qxh7+"; ce 32752; dm 8; id "MG 0359"; pm Qxh7+; pv Qxh7+ Kf8 Qh8+ Ke7 Qxf6+ Kf8 Qh6+ Kg8 Bh7+ Kh8 Bg6+ Kg8 Qh7+ Kf8 Qxf7#; 
1k2r1r1/pp6/4N3/P7/6q1/8/4Q3/4K3 w - - acd 15; acs 0; bm Qe5+; c0 "Qe2e5+ (krabbe) 197"; c3 "Qe5+"; c4 "(krabbe) 197"; ce 32754; dm 7; id "MG 0622"; pm Qe5+; pv Qe5+ Ka8 Nc7+ Kb8 Nxe8+ Ka8 Nc7+ Kb8 Na6+ Ka8 Qb8+ Rxb8 Nc7#; 
1qr3k1/1B1R1ppp/4p3/pQ6/4P3/3nBP2/1n4PP/6K1 b - - acd 15; acs 1; bm Rc1+; c0 "level: easy-2"; c3 "Rc1+"; ce 32754; dm 7; id "MG 1666"; pm Rc1+; pv Rc1+ Bxc1 Qa7+ Qb6 Qxb6+ Rd4 Qxd4+ Kh1 Nf2+ Kg1 Nxe4+ Be3 Qd1#; 
1r4k1/p4ppp/2P5/5b2/1bP5/PK6/1Pn2PPP/RN3BNR b - - acd 27; acs 21; bm Bxa3+; c0 "level: easy-1"; c3 "Bxa3+"; ce 32754; dm 7; id "MG 0317"; pm Bxa3+; pv Bxa3+ Kc3 Bb4+ Kb3 Bd2+ Ka4 Rb4+ Ka5 Nd4 Ka6 Nxc6 Nxd2 Bc8+; 
3r2r1/1k1b3n/1pp2q1b/3P1Np1/R4pp1/1Q3R1P/1PP5/2B4K w - - acd 15; acs 34; bm Qxb6+; c0 "level: med-9"; c3 "Qxb6+"; ce 32754; dm 7; id "MG 2937"; pm Qxb6+; pv Qxb6+ Kxb6 Rb3+ Kc5 Ra5+ Kc4 Rb4+ Kxb4 Bd2+ Qc3 Bxc3+ Kc4 Nd6#; 
4rr1k/1ppb3p/2q3p1/p7/3n4/1BP1B3/PP3PP1/2K2Q1R w - - acd 15; acs 1; bm Rxh7+; c0 "White Mates in 7. Steinitz vs Mikhail Chigorin, Havana, 1892"; c2 "Source: wtharvey.com"; c3 "Rxh7+"; c4 "Reinfeld.929.1001"; ce 32754; dm 7; id "WCSAC.0929"; pm Rxh7+; pv Rxh7+ Kxh7 Qh1+ Bh3 Qxh3+ Kg7 Bh6+ Kf6 Qh4+ Ke5 Qxd4+ Kf5 g4#; 
5nk1/2b1q1p1/2p5/3pP1pQ/1r1P2P1/3B1R2/5PP1/6K1 w - - acd 27; acs 758; bm Rxf8+; c0 "White Mates in 7. Geller vs Nikolai Novotelnov, Moscow, 1951"; c2 "Source: wtharvey.com"; c3 "Rxf8+"; c4 "(Krogius_EofCM) #1162 white_wins"; ce 32754; dm 7; id "ECM.224"; pm Rxf8+; pv Rxf8+ Kxf8 Qh8+ Kf7 Bg6+ Ke6 Qg8+ Kd7 Bf5+ Qe6 Qxe6+ Kd8 Qd7#; 
5r1k/pR2Q1pp/8/q2pP3/3Pn3/4B1P1/7P/7K b - - acd 15; acs 0; bm Qe1+; c0 "level: easy-1"; c3 "Qe1+"; ce 32754; dm 7; id "MG 0476"; pm Qe1+; pv Qe1+ Bg1 Nf2+ Kg2 Qe4+ Kf1 Qd3+ Kg2 Qf3+ Kf1 Nd3+ Bf2 Qxf2#; 
5rk1/p1p2ppp/1bQ5/3N4/2r3q1/P4R2/KPP3P1/7R w - - acd 15; acs 20; bm Qg6; c0 "level: med-6"; c3 "Qg6"; ce 32754; dm 7; id "MG 2549"; pm Qg6; pv Qg6 Qxg6 Ne7+ Kh8 Nxg6+ Kg8 Ne7+ Kh8 Rxh7+ Kxh7 Rh3+ Rh4 Rxh4#; 
6k1/1b2Qpb1/4p2p/1p6/r2pN3/1q1B1P2/1P4PP/5RK1 w - - acd 15; acs 4; bm Qe8+; c0 "level: med-4"; c3 "Qe8+"; ce 32754; dm 7; id "MG 2188"; pm Qe8+; pv Qe8+ Bf8 Nf6+ Kg7 Nh5+ Kg8 Bh7+ Kxh7 Qxf7+ Kh8 Qxf8+ Kh7 Qg7#; 
6rr/1pp1k3/3p2p1/3P4/2P1PRQN/2q5/2n1K3/7R w - - acd 15; acs 0; bm Rf7+; c0 "level: easy-2"; c3 "Rf7+"; c4 "Reinfeld.878.1001"; ce 32754; dm 7; id "WCSAC.0878"; pm Rf7+; pv Rf7+ Kxf7 Qe6+ Kf8 Rf1+ Qf6 Rxf6+ Kg7 Nf5+ Kh7 Rf7+ Rg7 Rxg7#; 
7Q/r2pk1pp/p3p3/1pb1N1q1/4n3/8/PPP2PPP/RN3RK1 b - - acd 15; acs 3; bm Bxf2+; c0 "level: med-6"; c3 "Bxf2+"; ce 32754; dm 7; id "MG 2553"; pm Bxf2+; pv Bxf2+ Rxf2 Qc1+ Rf1 Qe3+ Kh1 Nf2+ Kg1 Nh3+ Kh1 Qg1+ Rxg1 Nf2#; 
8/3q1k2/2p1p1p1/5pP1/2Q2Pr1/PP2B2p/4RK1P/3r4 b - - acd 15; acs 6; bm Rf1+; c0 "level: med-6"; c3 "Rf1+"; ce 32754; dm 7; id "MG 2555"; pm Rf1+; pv Rf1+ Kxf1 Qd1+ Kf2 Qg1+ Kf3 Qh1+ Kf2 Rg2+ Kf3 Rg1+ Rg2 Qxg2#; 
8/q1n3kp/2p3p1/1p6/1B1pN3/3P1P2/r1P3PP/2Q2K2 w - - acd 15; acs 2; bm Qh6+; c0 "level: med-8"; c3 "Qh6+"; ce 32754; dm 7; id "MG 2805"; pm Qh6+; pv Qh6+ Kxh6 Bf8+ Kh5 g4+ Kh4 Be7+ g5 Bxg5+ Kh3 Nf2+ Kxh2 Bf4#; 
b2qr1k1/5ppp/pn6/1p1n1N2/3PR3/P2B4/1B3PPP/2Q3K1 w - - acd 36; acs 155; bm Qg5; c0 "level: easy-2"; c3 "Qg5"; c4 "Reinfeld.733.1001"; ce 32754; dm 7; id "WCSAC.0733"; pm Qg5; pv Qg5 g6 Qh6 gxf5 Rg4+ fxg4 Bxh7+ Kh8 Bg6+ Kg8 Qh7+ Kf8 Qxf7+; 
Q7/pp1nkp1p/4p3/3q4/4nB2/P1p5/2P1PbPP/R1K2BNR b - - acd 15; acs 26; bm Be3+; c0 "level: med-4"; c3 "Be3+"; ce 32754; dm 7; id "MG 2196"; pm Be3+; pv Be3+ Bxe3 Nf2 Bg5+ Qxg5+ e3 Qxe3+ Kb1 Qb6+ Bb5 Qxb5+ Kc1 Qf1#; 
r1b2k2/ppp2P1r/2nb3n/3N2Qp/2B4B/5RP1/PP5K/4q3 w - - acd 15; acs 1; bm Qg8+; c0 "level: med-9"; c3 "Qg8+"; ce 32754; dm 7; id "MG 2940"; pm Qg8+; pv Qg8+ Nxg8 fxg8=Q+ Kxg8 Ne7+ Kg7 Rf7+ Kh8 Rf8+ Kg7 Rg8+ Kh6 Bg5#; 
r1b2rk1/ppp2ppp/8/Q2p4/4Pq2/N1P2P2/PP1P1PKP/R1B2R2 b - - acd 15; acs 54; bm Bh3+; c0 "level: med-4"; c3 "Bh3+"; c4 "POL-UNK {The unknown Polgar}"; ce 32754; dm 7; id "MG 2192"; pm Bh3+; pv Bh3+ Kxh3 Qxf3+ Kh4 g5+ Kxg5 Kh8 h3 h6+ Kxh6 Rg8 h4 Rg6#; 
r1b4k/pp1n2p1/1qp3Pp/5p2/2BP4/2Q1P3/PP1K1PP1/R6R w - - acd 15; acs 33; bm Rxh6+; c0 "level: easy-2"; c3 "Rxh6+"; ce 32754; dm 7; id "MG 1648"; pm Rxh6+; pv Rxh6+ gxh6 d5+ Qd4+ Qxd4+ Ne5 Qxe5+ Kg8 d6+ Be6 Bxe6+ Kf8 Qh8#; 
r1bq3k/pp2R2p/3B1bp1/2pB1p2/2Pp4/3P2Q1/P1P3PP/6K1 w - - acd 15; acs 42; bm Qe5; c0 "level: easy-2"; c3 "Qe5"; ce 32754; dm 7; id "MG 1631"; pm Qe5; pv Qe5 Qxd6 Qxd6 Be6 Qxe6 Rf8 Rf7 Bg5 Qe5+ Bf6 Qxf6+ Kg8 Rxf8#; 
r1bqkbnr/pppp2np/5pN1/7Q/2B1P3/8/PPP2PPP/RNB1K2R w KQkq - acd 15; acs 53; bm Bf7+; c0 "White Mates in 7. Alexander Fritz vs NN, Germany, 1885"; c2 "Source: wtharvey.com"; c3 "Bf7+"; ce 32754; dm 7; id "wtharvey.com.09313"; pm Bf7+; pv Bf7+ Kxf7 Ne5+ Ke7 Qf7+ Kd6 Nc4+ Kc5 Qd5+ Kb4 c3+ Ka4 b3#; 
r2qr3/2pbb1p1/p1n2nkp/P7/3P4/1B3N2/4QPPP/R1B2RK1 w - - acd 15; acs 89; bm Nh4+; c0 "level: med-4"; c3 "Nh4+"; ce 32754; dm 7; id "MG 2197"; pm Nh4+; pv Nh4+ Kh7 Qc2+ Bf5 Qxf5+ Kh8 Ng6+ Kh7 Nf8+ Kh8 Qh7+ Nxh7 Ng6#; 
r3k2r/p3q3/1pp1p3/2b1p3/PPQ1Pp2/2N2P2/2P2P2/3RR1K1 b kq - acd 15; acs 3; bm Rh1+; c0 "level: med-5"; c3 "Rh1+"; ce 32754; dm 7; id "MG 2379"; pm Rh1+; pv Rh1+ Kg2 Qg5+ Kxh1 Qh4+ Kg1 Qxf2+ Kh1 Qxf3+ Kh2 Qg3+ Kh1 Qh3#; 
r4r2/pp4pQ/1q2bkP1/2pp1p2/5B2/2P3P1/PPP3B1/2K4R w - - acd 15; acs 12; bm Qh4+; c0 "level: med-3"; c3 "Qh4+"; ce 32754; dm 7; id "MG 1958"; pm Qh4+; pv Qh4+ Kxg6 Qh5+ Kf6 Bg5+ Ke5 Be7 Qb4 cxb4 g6 Qe2+ Kd4 c3#; 
r4rk1/pp3ppp/q1p1n3/4NN2/b7/1Q6/PP3P1P/1K1R2R1 w - - acd 15; acs 53; bm Rxg7+; c0 "level: med-5"; c3 "Rxg7+"; ce 32754; dm 7; id "MG 2378"; pm Rxg7+; pv Rxg7+ Nxg7 Nh6+ Kh8 Nhxf7+ Rxf7 Nxf7+ Kg8 Nh6+ Kh8 Qg8+ Rxg8 Nf7#; 
r4rk1/ppRn1p2/6pb/1P2pq1p/3N4/P1QPn1Pb/1B1NPP1P/4R1KB b - - acd 15; acs 19; bm Qxf2+; c0 "level: med-7"; c3 "Qxf2+"; ce 32754; dm 7; id "MG 2672"; pm Qxf2+; pv Qxf2+ Kxf2 Ng4+ Kf3 e4+ Kxe4 Ngf6+ Kf3 Ne5+ Kf2 Nfg4+ Kg1 Be3#; 
rn1k1r2/pp2R3/2pP1pqp/6p1/2BQ4/2P1B3/PP4P1/6K1 w - - acd 15; acs 113; bm Qb6+; c0 "level: med-5"; c3 "Qb6+"; ce 32754; dm 7; id "MG 2364"; pm Qb6+; pv Qb6+ axb6 Bxb6+ Kc8 Rc7+ Kd8 Rf7+ Kc8 Be6+ Nd7 Rxf8+ Qe8 Rxe8#; 
rnb3k1/4q2p/2p1P1pb/1p2Q3/p7/1B6/PPP2PPP/3RK2R w K - acd 15; acs 15; bm Rd8+; c0 "level: easy-1"; c3 "Rd8+"; ce 32754; dm 7; id "MG 0396"; pm Rd8+; pv Rd8+ Bf8 Rxf8+ Qxf8 e7+ axb3 Qh8+ Kf7 exf8=Q+ Ke6 Qd4 h6 Qff6#; 
1r5k/6pp/8/2K1N1P1/7R/1P2R3/p7/r7 w - - acd 13; acs 0; bm Ng6+; c0 "level: easy-1"; c3 "Ng6+"; ce 32756; dm 6; id "MG 0250"; pm Ng6+; pv Ng6+ Kg8 Ne7+ Kf8 Rf4+ Ke8 Nc8+ Kd8 Rf8+ Kd7 Re7#; 
2b3k1/4rrpp/p2p4/2pP2RQ/1pP1Pp1N/1P3P1P/1q6/6RK w - - acd 13; acs 4; bm Qxh7+; c0 "White Mates in 6. Dawid Janowski vs Carl Schlechter, London, 1899"; c2 "Source: wtharvey.com"; c3 "Qxh7+"; c4 "WinAtChess.049"; ce 32756; dm 6; id "wtharvey.com.01493"; pm Qxh7+; pv Qxh7+ Kxh7 Rh5+ Kg8 Ng6 Qg2+ Rxg2 Rf6 Rh8+ Kf7 Rf8#; 
2k1q3/p2r1p2/P7/Q6B/8/Kp2r3/8/6R1 w - - acd 13; acs 0; bm Rc1+; c0 "level: easy-1"; c3 "Rc1+"; ce 32756; dm 6; id "MG 0414"; pm Rc1+; pv Rc1+ Kb8 Qb4+ Ka8 Bf3+ Rxf3 Qe4+ Rd5 Qxe8+ Rd8 Qxd8#; 
2k5/1pp2r2/pb4pp/4Kb1n/8/3pN2P/PP3PP1/2R4R b - - acd 13; acs 0; bm Re7+; c0 "level: easy-1"; c3 "Re7+"; ce 32756; dm 6; id "MG 0326"; pm Re7+; pv Re7+ Kd5 Be6+ Ke4 Bc4+ Kf3 Rf7+ Nf5 Rxf5+ Kg4 Rf4#; 
2k5/prpp2pp/2p2b2/8/2PPQP2/5B2/P2r1qPP/R3R2K w - - acd 13; acs 0; bm Qe8+; c0 "level: med-5"; c3 "Qe8+"; ce 32756; dm 6; id "MG 2382"; pm Qe8+; pv Qe8+ Bd8 Qxd7+ Kxd7 Bg4+ Kd6 Re6+ Kd7 Re5+ Kd6 c5#; 
2kr3r/Qpp1n1p1/2b2pp1/4b3/8/6N1/PPP2P2/R1B2RK1 b - - acd 25; acs 720; bm Rh1+; c0 "level: med-5"; c3 "Rh1+"; c4 "(Krogius_EofCM) #1170 black_wins"; ce 32756; dm 6; id "ECM.232"; pm Rh1+; pv Rh1+ Nxh1 Bh2+ Kxh2 Rh8+ Bh6 Rxh6+ Kg3 Nf5+ Kf4 Rh4#; 
2rq1rk1/1b1nbpp1/1p5p/p2pNB2/3p1N2/4P3/PPQ2PPP/2RR2K1 w - - acd 25; acs 645; bm Bh7+; c0 "level: med-3"; c3 "Bh7+"; c4 "(Krogius_EofCM) #1473 white_wins"; ce 32756; dm 6; id "ECM.535"; pm Bh7+; pv Bh7+ Kh8 Nxf7+ Rxf7 Ng6+ Kxh7 Nf8+ Kg8 Qh7+ Kxf8 Qh8#; 
2rqk2r/3n1ppp/1p2n3/p7/3P4/B2B2Q1/PP3PPP/R3R1K1 w k - acd 13; acs 5; bm Rxe6+; c0 "level: easy-1"; c3 "Rxe6+"; c4 "POL-UNK {The unknown Polgar}"; ce 32756; dm 6; id "MG 0521"; pm Rxe6+; pv Rxe6+ Qe7 Rxe7+ Kf8 Qf3 Rc1+ Rxc1 Nf6 Rc8+ Ne8 Rexe8#; 
2rr1k2/p4p1Q/1pq2bpp/3N4/8/P2R3P/1P3PP1/4R1K1 w - - acd 13; acs 1; bm Ne7; c0 "White Mates in 8. Najdorf vs Yosef Porath, Amsterdam, 1954"; c2 "Source: wtharvey.com"; c3 "Ne7"; ce 32756; dm 6; id "wtharvey.com.02963"; pm Ne7; pv Ne7 Be5 Nxc6 Bf6 Nxd8 Bg7 Re8+ Kxe8 Qg8+ Bf8 Qxf7#; 
3qrrnk/ppnbbppp/2p5/2PpBP2/1P1P3R/P2B2N1/6PP/R2Q2K1 w - - acd 13; acs 9; bm Bxg7+; c3 "Bxg7+"; ce 32756; dm 6; id "yacpdb id 311947"; pm f6; pv f6 g6 fxe7+ Nf6 Bxf6+ Kg8 Rxh7 Kxh7 Qh5+ Kg8 Qh8#; 
3r1r2/p1p3pk/1q1NQR1p/b5p1/8/2p5/P5PP/4R2K w - - acd 13; acs 1; bm Qf5+; c0 "level: easy-1"; c3 "Qf5+"; ce 32756; dm 6; id "MG 0368"; pm Qf5+; pv Qf5+ Kh8 Rxf8+ Rxf8 Qxf8+ Kh7 Qf5+ g6 Re7+ Kh8 Qf8#; 
4kb1r/pp3ppp/q3b3/6Q1/1n1N4/2r1B3/PPP2PPP/2KRR3 w k - acd 13; acs 0; bm Qd8+; c0 "level: med-5"; c3 "Qd8+"; ce 32756; dm 6; id "MG 2365"; pm Qd8+; pv Qd8+ Kxd8 Nxe6+ Ke7 Bg5+ f6 Nd8+ Re3 Rxe3+ Qe6 Rxe6#; 
4r3/pp1q2kp/1bpn1p2/4p2p/6P1/1BP2Q2/PP3PK1/2B1R3 w - - acd 13; acs 1; bm Bh6+; c0 "White Mates in 7. Boleslavsky vs Vladimir Makogonov, Moscow, 1940"; c2 "Source: wtharvey.com"; c3 "Bh6+"; c4 "Reinfeld.476.1001"; ce 32756; dm 6; id "WCSAC.0476"; pm Bh6+; pv Bh6+ Kg6 gxh5+ Kxh6 Qxf6+ Kxh5 Rh1+ Qh3+ Rxh3+ Kg4 Bd1#; 
5r1k/ppp2q1p/3p2p1/P2P4/3NP1n1/2P5/1P4PP/2Q1R1K1 b - - acd 13; acs 2; bm Qf2+; c0 "level: easy-1"; c3 "Qf2+"; ce 32756; dm 6; id "MG 0452"; pm Qf2+; pv Qf2+ Kh1 Qh4 h3 Qg3 Nf3 Rxf3 hxg4 Rf2 g5 Qxg2#; 
5r1k/ppp3pp/3bPq2/8/3Pb1PP/2P1BN1K/P4P2/R2Q1R2 b - - acd 13; acs 2; bm Qxf3+; c0 "level: easy-2"; c3 "Qxf3+"; ce 32756; dm 6; id "MG 1664"; pm Qxf3+; pv Qxf3+ Qxf3 Rxf3+ Kg2 Rg3+ Kh2 Rg2+ Kh1 Rh2+ Kg1 Rh1#; 
5rk1/p5p1/1ppp1r2/1P5p/2PRp3/2P1P1qP/P5P1/2QR3K b - - acd 13; acs 4; bm Rf2; c0 "level: easy-1"; c3 "Rf2"; ce 32756; dm 6; id "MG 0456"; pm Rf2; pv Rf2 Rg1 R8f3 Qf1 Rxf1 Rxe4 Qxg2+ Kxg2 R1f2+ Kh1 Rxh3#; 
6k1/q4ppp/2p5/3p1P1P/8/1P5R/P1P1rr2/3Q1R1K b - - acd 13; acs 1; bm Qe3; c0 "level: easy-1"; c3 "Qe3"; ce 32756; dm 6; id "MG 0170"; pm Qe3; pv Qe3 Rxf2 Qxh3+ Kg1 Qg3+ Kh1 Qh4+ Kg1 Qxf2+ Kh1 Qh2#; 
6rr/ppqb1pkp/2pb1pn1/3p3Q/3P1P1N/3B1RN1/PPP3PP/5RK1 w - - acd 24; acs 688; bm Qh6+; c0 "White Mates in 6. George Mackenzie vs James Mason, Paris, 1878"; c2 "Source: wtharvey.com"; c3 "Qh6+"; c4 "(got a !? but game-theor optimal) (Krogius_EofCM) #1184 white_wins"; ce 32756; dm 6; id "WCSAC.0708"; pm Qh6+; pv Qh6+ Kxh6 Nhf5+ Bxf5 Nxf5+ Kh5 Rh3+ Nh4 Rxh4+ Kg6 Rh6#; 
7Q/p1pk1ppp/5n2/3pq3/3n4/2NP2P1/PPPKbP1P/R6R b - - acd 26; acs 0; bm Nf3+; c0 "level: easy-1"; c3 "Nf3+"; c4 "Reinfeld.812.1001"; ce 32756; dm 6; id "WCSAC.0812"; pm Nf3+; pv Nf3+ Kc1 Qg5+ Kb1 Nd2+ Kc1 Nb3+ Kb1 Qc1+ Rxc1 Nd2#; 
8/p4pkr/1n3bp1/2p1Q2p/1q2P3/1B1R2N1/Pr3PP1/2R3K1 w - - acd 13; acs 0; bm Nf5+; c0 "level: easy-2"; c3 "Nf5+"; ce 32756; dm 6; id "MG 1651"; pm Nf5+; pv Nf5+ gxf5 Rg3+ Kf8 Rg8+ Kxg8 Qe8+ Kg7 Qxf7+ Kh8 Qg8#; 
k3r3/pp1rn1pp/P1p3q1/2P2b2/Q1B2B2/4p3/6PP/R4RK1 w - - acd 13; acs 0; bm axb7+; c0 "level: med-3"; c3 "axb7+"; ce 32756; dm 6; id "MG 1945"; pm axb7+; pv axb7+ Rxb7 Qxa7+ Rxa7 Rxa7+ Kxa7 Ra1+ Kb7 Ba6+ Ka7 Bc8#; 
k7/pp1r4/1n3b2/1N6/5Qp1/5pPq/5P2/4R1K1 w - - acd 13; acs 0; bm Re8+; c0 "level: easy-1"; c3 "Re8+"; ce 32756; dm 6; id "MG 0652"; pm Re8+; pv Re8+ Bd8 Rxd8+ Rxd8 Nc7+ Kb8 Na6+ Ka8 Qb8+ Rxb8 Nc7#; 
Qn1k2nr/p1p2Bpp/1p1b4/4p3/4P3/2N5/PPP1KP1q/R7 w - - acd 13; acs 0; bm Qxb8+; c0 "level: easy-1"; c3 "Qxb8+"; ce 32756; dm 6; id "MG 0537"; pm Qxb8+; pv Qxb8+ Ke7 Qe8+ Kf6 Qe6+ Kg5 Rg1+ Qg3 Rxg3+ Kf4 Rg4#; 
r1b1k2r/pp1p1ppp/2nQ4/3Np3/4P3/3BB3/PqP1K1PP/R6n w kq - acd 13; acs 1; bm Nc7+; c0 "level: med-3"; c3 "Nc7+"; ce 32756; dm 6; id "MG 1963"; pm Nc7+; pv Nc7+ Kd8 Bg5+ f6 Ne6+ Ke8 Nxg7+ Kd8 Bxf6+ Ne7 Bxe7#; 
r1b1kb1r/ppp2ppp/2n1p3/3pPn2/3P1q2/2PB4/PPK3PP/RNBQ2NR b kq - acd 13; acs 2; bm Ncxd4+ Nfxd4+; c3 "Ncxd4+ Nfxd4+"; ce 32756; dm 6; id "BWTC.0791"; pm Nfxd4+; pv Nfxd4+ cxd4 Nxd4+ Kc3 Bb4+ Kxb4 Nc6+ Kb3 Qb4+ Kc2 Nd4#; 
r1b2r1k/1q1nbppp/pp2p3/4Q1B1/3N4/2N3R1/PPP2PPP/3R2K1 w - - acd 13; acs 1; bm Bh6; c0 "White Mates in 6. Bronstein vs Alexander Kotov, Moscow, 1946"; c2 "Source: wtharvey.com"; c3 "Bh6"; c4 "Reinfeld.251.1001"; ce 32756; dm 6; id "WCSAC.0251"; pm Bh6; pv Bh6 Qxg2+ Rxg2 f6 Bxg7+ Kg8 Bxf6+ Kf7 Qxe6+ Ke8 Qxe7#; 
r1b2rk1/ppqn1p1p/2n1p1p1/2b3N1/2N5/PP1BP3/1B3PPP/R2QK2R w KQ - acd 13; acs 15; bm Qh5; c0 "level: med-3"; c3 "Qh5"; c4 "WinAtChess.182 Nxh7 gives white the advantage, but Qh5 leads to quick mate."; ce 32756; dm 6; id "MG 1954"; pm Qh5; pv Qh5 Nf6 Bxf6 h6 Qxh6 Qa5+ Nxa5 Bb4+ axb4 Nd4 Qg7#; 
r1bk1r2/pppnnB1p/4PQ2/4P3/8/4B3/PPP3qP/2KR4 w - - acd 13; acs 1; bm Qxe7+ Rxd7+; c3 "Qxe7+ Rxd7+"; ce 32756; dm 6; id "BWTC.0912"; pm Rxd7+; pv Rxd7+ Bxd7 Qxe7+ Kxe7 Bc5+ Kd8 e7+ Kc8 exf8=Q+ Be8 Qxe8#; 
r1q2r2/3R1pbk/p1n1p1p1/1p2P3/2p3P1/5N2/PP3P1P/3R1QK1 w - - acd 13; acs 2; bm Ng5+; c0 "level: easy-2"; c3 "Ng5+"; ce 32756; dm 6; id "MG 1645"; pm Ng5+; pv Ng5+ Kg8 Qh3 Rd8 Qh7+ Kf8 Nxe6+ fxe6 Qxg7+ Ke8 Qg8#; 
r1q3r1/1ppQ2pk/3bNp1p/p3pP2/P3P3/2N4R/1PP3PP/3R2K1 w - - acd 13; acs 1; bm Rxh6+; c0 "White Mates in 5. Paul Morphy vs Jacques Baucher, Paris, 1858"; c2 "Source: wtharvey.com"; c3 "Rxh6+"; ce 32756; dm 6; id "wtharvey.com.09521"; pm Rxh6+; pv Rxh6+ Kxh6 Rd3 Bc5+ Kh1 Be3 Rxe3 Qe8 Qxe8 g6 Rh3#; 
r1r2knR/5p2/p3bPp1/1p2P3/1q1p4/2NB2R1/PP1Q1P2/1K6 w - - acd 82; acs 183; bm Rxg8+; c0 "level: med-9"; c3 "Rxg8+"; ce 32756; dm 6; id "MG 2939"; pm Rxg8+; pv Rxg8+ Kxg8 Qh6 Bxa2+ Ka1 Qf8 Rxg6+ fxg6 Qxg6+ Kh8 Qh7+; 
r2k3r/ppp2P2/3p1P1q/2bPpQN1/4P3/8/PPP3P1/R3K3 w Q - acd 13; acs 0; bm Ne6+; c0 "level: easy-1"; c3 "Ne6+"; ce 32756; dm 6; id "MG 0547"; pm Ne6+; pv Ne6+ Kc8 Nxc5+ Kb8 Nd7+ Kc8 Nb6+ Kb8 Qc8+ Rxc8 Nd7#; 
r2N1n2/6kp/1p1B2p1/p7/2B5/8/PP3PbP/4K3 w - - acd 13; acs 0; bm Be5+; c0 "level: easy-1"; c3 "Be5+"; ce 32756; dm 6; id "MG 0259"; pm Be5+; pv Be5+ Kh6 Nf7+ Kh5 Be2+ Bf3 Bxf3+ Kh4 Bg3+ Kh3 Ng5#; 
r2q1rk1/1b1nbppp/p1p1p3/1pPpN3/3P1N2/P2BP3/1PQ2PPP/R4RK1 w - - acd 13; acs 2; bm Bxh7+; c0 "level: easy-1"; c3 "Bxh7+"; ce 32756; dm 6; id "MG 0631"; pm Bxh7+; pv Bxh7+ Kh8 Nxf7+ Rxf7 Ng6+ Kxh7 Nf8+ Kg8 Qh7+ Kxf8 Qh8#; 
r2qk2r/ppp2ppp/1b2Pn2/8/2Bp4/BnP2N2/P4PPP/1N2R1K1 w kq - acd 13; acs 1; bm exf7+; c0 "level: easy-1"; c3 "exf7+"; ce 32756; dm 6; id "MG 0271"; pm exf7+; pv exf7+ Kd7 Be6+ Kc6 Ne5+ Kb5 Bc4+ Ka5 Bb4+ Ka4 axb3#; 
r3k3/ppp2N2/3p1n2/2b1p3/2BnP1b1/2NP2p1/PPPQ1PPr/R4RK1 b q - acd 13; acs 1; bm Nf3+; c0 "level: med-9"; c3 "Nf3+"; ce 32756; dm 6; id "MG 2938"; pm Nf3+; pv Nf3+ gxf3 Bxf3 Bb5+ Kxf7 Be8+ Rxe8 Qh6 Rxh6 d4 Rh1#; 
r3kb1r/1bq1nppp/p7/1pp5/4Q3/1B3N2/PP3PPP/R1BR2K1 w kq - acd 13; acs 2; bm Bxf7+; c0 "level: med-5"; c3 "Bxf7+"; c4 "Reinfeld.888.1001"; ce 32756; dm 6; id "WCSAC.0888"; pm Bxf7+; pv Bxf7+ Kxf7 Ng5+ Ke8 Qe6 Qxh2+ Kxh2 Bd5 Rxd5 h6 Qd7#; 
r3kb2/ppp5/7r/3p4/4p2q/5n1P/PPPP1PP1/RNBQ1R1K b q - acd 13; acs 3; bm Qg4 Qxh3+; c3 "Qg4 Qxh3+"; ce 32756; dm 6; id "BWTC.0256"; pm Qg4; pv Qg4 Qxf3 exf3 Re1+ Be7 Rxe7+ Kxe7 g3 Qxh3+ Kg1 Qh1#; 
r3q2r/2p1k1p1/p5p1/1p2Nb2/1P2nB2/P7/2PNQbPP/R2R3K b - - acd 25; acs 644; bm Rxh2+; c0 "level: med-3"; c3 "Rxh2+"; c4 "(got a !? but game-theor optimal) (Krogius_EofCM) #1387 black_wins"; ce 32756; dm 6; id "ECM.449"; pm Rxh2+; pv Rxh2+ Bxh2 Ng3+ Bxg3 Qh8+ Bh2 Qxh2+ Kxh2 Rh8+ Qh5 Rxh5#; 
r4r1k/ppb1q2p/2p1Bp2/2P2P2/n1PP4/5K1Q/P2B1P2/R6R w - - acd 13; acs 1; bm Qxh7+; c0 "level: med-4"; c3 "Qxh7+"; c4 "Reinfeld.376.1001"; ce 32756; dm 6; id "WCSAC.0376"; pm Qxh7+; pv Qxh7+ Qxh7 Rxh7+ Kxh7 Rh1+ Bh2 Rxh2+ Kg7 Bh6+ Kh7 Bxf8#; 
r5kn/2q1r1p1/bpp1p2p/n3P2N/p4P2/3QK1RP/PP4P1/RN1B4 w - - acd 13; acs 0; bm Qh7+; c0 "level: med-7"; c3 "Qh7+"; ce 32756; dm 6; id "MG 2671"; pm Qh7+; pv Qh7+ Kxh7 Rxg7+ Rxg7 Nf6+ Kg6 Bh5+ Kf5 g4+ Rxg4 hxg4#; 
r5r1/3pkp1p/p4q2/1ppQp3/B3P3/8/PPP2PPP/R4RK1 b - - acd 13; acs 0; bm Rxg2+; c0 "level: easy-2"; c3 "Rxg2+"; ce 32756; dm 6; id "MG 1660"; pm Rxg2+; pv Rxg2+ Kh1 Rxh2+ Kxh2 Qh4+ Kg2 Qg4+ Kh2 Qh5+ Kg2 Rg8#; 
rnb3nr/ppp1bB1p/5qp1/7k/4P3/5NQP/PPP2PP1/RNB1K2R w KQ - acd 13; acs 8; bm Qe5+ Qg4+; c3 "Qe5+ Qg4+"; ce 32756; dm 6; id "BWTC.0147"; pm Qg4+; pv Qg4+ Bxg4 hxg4+ Kxg4 Nh2+ Kh4 Nf1+ Kg4 Be6+ Qf5 f3#; 
1k6/p2q2pp/1p3p2/2pn4/3P2PP/Q1P2PK1/P3r3/6RR b - - acd 11; acs 0; bm Qc7+ Qd6+; c3 "Qc7+ Qd6+"; c4 "Reinfeld.622.1001"; ce 32758; dm 5; id "WCSAC.0622"; pm Qc7+; pv Qc7+ Kh3 Nf4+ Kg3 Nh5+ Kh3 Qg3+ Rxg3 Nf4#; 
1q2b1r1/p1r4k/B1p1P1pp/1p2Q3/5PP1/7R/PP5K/3R4 w - - acd 11; acs 1; bm Rxh6+; c0 "level: med-4"; c3 "Rxh6+"; ce 32758; dm 5; id "MG 2186"; pm Rxh6+; pv Rxh6+ Kxh6 Rh1 g5 Qf6+ Kh7 Kg2+ Bh5 Rxh5#; 
1r1r2k1/p4ppp/1qp5/4Pb2/3b1P2/1PP2N2/P2BQ1PP/2KR3R b - - acd 11; acs 0; bm Qxb3; c0 "Black Mates in 5. J Rosanes vs Adolf Anderssen, Breslau, 1863"; c2 "Source: wtharvey.com"; c3 "Qxb3"; ce 32758; dm 5; id "wtharvey.com.00596"; pm Qxb3; pv Qxb3 axb3 Rxb3 Qe4 Bxe4 Be3 Bxe3+ Rd2 Rb1#; 
2b2rk1/p1p1q1p1/np1p2Qp/3P3B/1PP1p2r/6R1/P2BPP1P/6RK b - - acd 11; acs 0; bm Rxh2+; c0 "level: med-3"; c3 "Rxh2+"; ce 32758; dm 5; id "MG 1956"; pm Rxh2+; pv Rxh2+ Kxh2 Qh4+ Kg2 Bh3+ Rxh3 Rxf2+ Kh1 Qxh3#; 
2k2b2/p1p1p3/P1Pp1N2/7p/2Q5/5pPq/4pP2/1R3nK1 w - - acd 11; acs 0; bm Qe6+; c0 "level: easy-2"; c3 "Qe6+"; ce 32758; dm 5; id "MG 1632"; pm Qe6+; pv Qe6+ Qxe6 Nd7 Qxd7 Rb8+ Kxb8 cxd7 h4 d8=Q#; 
2kr2r1/pp1n1p2/2p1p1bp/8/2PP1N2/8/PP3P1P/R2BQRK1 b - - acd 11; acs 0; bm Be4+; c0 "level: easy-1"; c3 "Be4+"; ce 32758; dm 5; id "MG 0676"; pm Be4+; pv Be4+ Ng2 Rxg2+ Kh1 Rg1+ Kxg1 Rg8+ Bg4 Rxg4#; 
2kr4/ppp2p1p/2np1p2/2b1p2b/4PP1P/1B1P4/PPP3KP/RN3R2 b - - acd 11; acs 0; bm Rg8+; c0 "level: easy-1"; c3 "Rg8+"; ce 32758; dm 5; id "MG 0325"; pm Rg8+; pv Rg8+ Kh3 Bg4+ Kg2 Be2+ Kh1 Bf3+ Rxf3 Rg1#; 
2r1kb1r/2q2p2/8/pppBp1B1/P6P/5pQ1/1PP3b1/2KR4 w k - acd 11; acs 0; bm Qxe5+; c0 "level: easy-1"; c3 "Qxe5+"; ce 32758; dm 5; id "MG 0137"; pm Qxe5+; pv Qxe5+ Qe7 Bc6+ Rxc6 Qb8+ Rc8 Qxc8+ Qd8 Rxd8#; 
2r2b1r/p1Nk2pp/3p1p2/N2Qn3/4P3/q6P/P4PP1/1R3K1R w - - acd 11; acs 0; bm Qe6+; c0 "White Mates in 5. Jacques Mieses vs Aldolf Albin, Monaco, 1903"; c2 "Source: wtharvey.com"; c3 "Qe6+"; c4 "WinAtChess.260"; ce 32758; dm 5; id "wtharvey.com.02241"; pm Qe6+; pv Qe6+ Kxc7 Rb7+ Kd8 Nc6+ Rxc6 Rb8+ Rc8 Rxc8#; 
2r2rk1/1p2qpp1/p4R2/4p1Q1/2n1P3/3B1R2/2P3PP/7K w - - acd 11; acs 0; bm Rg3; c0 "level: easy-1"; c3 "Rg3"; ce 32758; dm 5; id "MG 0412"; pm Rg3; pv Rg3 g6 Rxg6+ fxg6 Qxg6+ Kh8 Rh3+ Qh7 Rxh7#; 
2r3r1/3q3p/p6b/Pkp1B3/1p1p1P2/1P1P1Q2/2R3PP/2R3K1 w - - acd 11; acs 0; bm Bc7; c0 "level: med-3"; c3 "Bc7"; c4 "Reinfeld.594.1001"; ce 32758; dm 5; id "WCSAC.0594"; pm Bc7; pv Bc7 Rxg2+ Qxg2 Rxc7 Qb7+ Kxa5 Ra2+ Qa4 Rxa4#; 
2rqnrk1/pp3ppp/1b1p4/3p2Q1/2n1P3/3B1P2/PB3P1P/R5RK w - - acd 11; acs 0; bm Qxg7+; c0 "level: easy-1"; c3 "Qxg7+"; c4 "Reinfeld.739.1001"; ce 32758; dm 5; id "WCSAC.0739"; pm Qxg7+; pv Qxg7+ Nxg7 Rxg7+ Kh8 Rg8+ Kxg8 Rg1+ Qg5 Rxg5#; 
2rr3k/1b2bppP/p2p1n2/R7/3P4/1qB2P2/1P4Q1/1K5R w - - acd 11; acs 0; bm Qxg7+; c0 "level: easy-2"; c3 "Qxg7+"; c4 "WinAtChess.285"; ce 32758; dm 5; id "MG 1619"; pm Qxg7+; pv Qxg7+ Kxg7 h8=Q+ Rxh8 Rg5+ Kf8 Rxh8+ Ng8 Rhxg8#; 
3q1rk1/p4pp1/2pb3p/3p4/6Pr/1PNQ4/P1PB1PP1/4RRK1 b - - acd 11; acs 0; bm Bh2+; c0 "level: easy-1"; c3 "Bh2+"; c4 "WinAtChess.009"; ce 32758; dm 5; id "MG 0653"; pm Bh2+; pv Bh2+ Kh1 Bg3+ Kg1 Rh1+ Kxh1 Qh4+ Kg1 Qh2#; 
3r1rn1/pp1n2kp/1qpN1pp1/6Q1/4P3/1B1R4/PP3PPP/2R3K1 w - - acd 11; acs 0; bm Nf5+; c0 "White Mates in 5. Alekhine vs Emanuel Lasker, Zurich, 1934"; c2 "Source: wtharvey.com"; c3 "Nf5+"; ce 32758; dm 5; id "wtharvey.com.03795"; pm Nf5+; pv Nf5+ Kh8 Qxg6 Qxf2+ Kxf2 hxg6 Rh3+ Nh6 Rxh6#; 
3r2k1/p4rPp/1b1q3Q/n1p1pP2/1p6/3B1NR1/P4P1P/6RK w - - acd 11; acs 0; bm Qxh7+; c0 "White Mates in 5. Adolf Anderssen vs Johannes Zukertort, Barmen, 1869"; c2 "Source: wtharvey.com"; c3 "Qxh7+"; c4 "(got a !? but game-theor optimal) (Krogius_EofCM) #1201 white_wins"; ce 32758; dm 5; id "ECM.263"; pm Qxh7+; pv Qxh7+ Kxh7 f6+ Kg8 Bh7+ Kxh7 g8=Q+ Rxg8 Rh3#; 
3r2k1/pB3ppp/1pr5/4n3/4n3/1RP1P3/P4PPP/2B2RK1 b - - acd 11; acs 0; bm Nf3+; c0 "level: easy-1"; c3 "Nf3+"; ce 32758; dm 5; id "MG 0318"; pm Nf3+; pv Nf3+ gxf3 Rg6+ Kh1 Nxf2+ Rxf2 Rd1+ Rf1 Rxf1#; 
3r2k1/ppp2pp1/4p2P/r7/2nPQP2/1qP2N2/1P2R2P/2K3R1 w - - acd 11; acs 0; bm Rxg7+; c0 "level: easy-1"; c3 "Rxg7+"; ce 32758; dm 5; id "MG 0383"; pm Rxg7+; pv Rxg7+ Kf8 Rxf7+ Kxf7 Qxe6+ Kf8 Qf6+ Kg8 Qg7#; 
4qr1k/pb3p1r/1p1p4/2pPpNQB/2P1n3/P1P5/5P2/3RK2R w K - acd 11; acs 0; bm Qg7+; c0 "level: med-3"; c3 "Qg7+"; ce 32758; dm 5; id "MG 1966"; pm Qg7+; pv Qg7+ Rxg7 Bg6+ Kg8 Nh6+ Kh8 Nxf7+ Kg8 Rh8#; 
4r2k/1p4p1/1pb5/8/3P1n2/2P2rN1/PP5P/R1B2RK1 b - - acd 11; acs 0; bm Rf2; c0 "level: easy-1"; c3 "Rf2"; ce 32758; dm 5; id "MG 0321"; pm Rf2; pv Rf2 Bxf4 Rg2+ Kh1 Rxg3+ d5 Bxd5+ Rf3 Bxf3#; 
5k2/p1b2r2/1pP1b3/4P3/1RnBQ3/2P2Pp1/P3B2r/3R1KNq b - - acd 11; acs 0; bm Rf2+; c0 "level: easy-2"; c3 "Rf2+"; ce 32758; dm 5; id "MG 1652"; pm Rf2+; pv Rf2+ Bxf2 Bh3+ Ke1 gxf2+ Kxf2 Qh2+ Ke1 Qg3#; 
5k2/pbp2r2/1p5p/4R1pP/1PP5/8/PKBQ1q2/8 w - - acd 11; acs 0; bm Qd8+; c0 "level: easy-1"; c3 "Qd8+"; c4 "(Kopec-Exercises-p.13) #28"; ce 32758; dm 5; id "MG 0339"; pm Qd8+; pv Qd8+ Kg7 Rxg5+ hxg5 h6+ Kxh6 Qh8+ Rh7 Qxh7#; 
5nk1/1b3ppp/r7/p3q3/1pp3P1/4pP1R/PPQ4P/1B1R2K1 w - - acd 11; acs 0; bm Qxh7+; c0 "level: easy-2"; c3 "Qxh7+"; ce 32758; dm 5; id "MG 1622"; pm Qxh7+; pv Qxh7+ Nxh7 Rd8+ Qe8 Rxe8+ Nf8 Bh7+ Kh8 Rxf8#; 
5r1k/1p2qB1n/p1pp4/4p3/4P3/2PP4/PP5R/5Q1K w - - acd 11; acs 0; bm Rxh7+; c0 "level: easy-1"; c3 "Rxh7+"; ce 32758; dm 5; id "MG 0355"; pm Rxh7+; pv Rxh7+ Kxh7 Qf5+ Kh8 Qh5+ Kg7 Qg6+ Kh8 Qh6#; 
5r1k/1p4R1/p6p/5ppN/3P2n1/6N1/PP2QPq1/4K3 w - - acd 11; acs 0; bm Rh7+; c0 "level: easy-1"; c3 "Rh7+"; ce 32758; dm 5; id "MG 0419"; pm Rh7+; pv Rh7+ Kg8 Qe6+ Kxh7 Qe7+ Rf7 Qxf7+ Kh8 Qg7#; 
5r1k/ppp2p1r/3p2pP/8/qn2P1NQ/3P4/1PP3P1/2K2R1R w - - acd 11; acs 0; bm Qf6+; c0 "level: easy-2"; c3 "Qf6+"; ce 32758; dm 5; id "MG 1661"; pm Qf6+; pv Qf6+ Kg8 Qg7+ Rxg7 Nf6+ Kh8 hxg7+ Kxg7 Rh7#; 
5r1N/ppp1k1pp/8/3Pp3/1PBnn2P/2N1K2b/PP1P3P/R1B4R b - - acd 11; acs 0; bm Rf3+; c0 "level: med-5"; c3 "Rf3+"; ce 32758; dm 5; id "MG 2371"; pm Rf3+; pv Rf3+ Kxe4 Kf6 d6 Bf5+ Kd5 c6+ Kc5 b6#; 
5rk1/1p1b2pp/p3P3/6q1/8/1QP1R1PP/PP1r4/4R1K1 b - - acd 11; acs 0; bm Rf1+; c0 "level: easy-1"; c3 "Rf1+"; ce 32758; dm 5; id "MG 0432"; pm Rf1+; pv Rf1+ Rxf1 Qxe3+ Kh1 Bc6+ Qd5 Bxd5+ Rf3 Bxf3#; 
5rk1/pR4pp/2p5/4p3/2P1P1q1/6P1/PP1Qn1BP/7K b - - acd 11; acs 0; bm Rf1+; c0 "level: easy-1"; c3 "Rf1+"; ce 32758; dm 5; id "MG 0467"; pm Rf1+; pv Rf1+ Bxf1 Qxe4+ Bg2 Qb1+ Qe1 Qxe1+ Bf1 Qxf1#; 
5rkb/ppp1q3/3p2BQ/6P1/3n4/2B4P/bPP1r3/2KR2NR b - - acd 11; acs 0; bm Nb3+ Qe3+; c3 "Nb3+ Qe3+"; ce 32758; dm 5; id "BWTC.0214"; pm Nb3+; pv Nb3+ cxb3 Qe3+ Bd2 Qxd2+ Rxd2 Rf1+ Rd1 Bxb2#; 
5rrk/1q2ppb1/p6p/1pnPP2Q/2p2P2/2N4P/PP2B1R1/6RK w - - acd 11; acs 0; bm Rxg7; c0 "level: easy-1"; c3 "Rxg7"; c4 "Reinfeld.947.1001"; ce 32758; dm 5; id "WCSAC.0947"; pm Rxg7; pv Rxg7 Qb6 e6 Qxe6 dxe6 Rxg7 Qxh6+ Rh7 Qxf8#; 
6k1/1bp2ppp/p2p1b2/7R/Q1P5/P3q3/1r3NPP/5RK1 b - - acd 11; acs 0; bm Qxf2+; c0 "level: easy-2"; c3 "Qxf2+"; c4 "Reinfeld.694.1001"; ce 32758; dm 5; id "WCSAC.0694"; pm Qxf2+; pv Qxf2+ Rxf2 Rb1+ Qd1 Rxd1+ Rf1 Bd4+ Kh1 Rxf1#; 
6k1/1p5p/2P1p3/pP1pN2q/P2Qpr2/7b/5R1P/6K1 b - - acd 11; acs 0; bm Qe2; c0 "Black Mates in 5. Ernesto Rotunno vs Alekhine, Montevideo, 1938"; c2 "Source: wtharvey.com"; c3 "Qe2"; ce 32758; dm 5; id "wtharvey.com.06281"; pm Qe2; pv Qe2 Nf3 Rg4+ Kh1 Bg2+ Kg1 Bxf3+ Rg2 Qe1#; 
6k1/1Q1R1p1p/6p1/2b1pq2/P7/4P3/2r2PPP/5RK1 b - - acd 11; acs 0; bm Qxf2+; c0 "level: easy-1"; c3 "Qxf2+"; ce 32758; dm 5; id "Leonid.351640"; pm Qxf2+; pv Qxf2+ Rxf2 Rc1+ Rd1 Rxd1+ Rf1 Bxe3+ Kh1 Rxf1#; 
6k1/1RQ3p1/3p1p2/1P1Pr2p/7P/1q6/4p1PK/8 b - - acd 11; acs 0; bm Qg3+; c0 "Black Mates in 5. Alexander Tolush vs Paul Keres, Leningrad, 1939"; c2 "Source: wtharvey.com"; c3 "Qg3+"; ce 32758; dm 5; id "wtharvey.com.06220"; pm Qg3+; pv Qg3+ Kxg3 e1=Q+ Kh3 Re3+ Kh2 Qg3+ Kh1 Re1#; 
6k1/5ppp/4p3/p1b1n1q1/PpP1P3/5b1P/4BB1K/R3RQ2 b - - acd 11; acs 0; bm Qf4+; c0 "level: med-4"; c3 "Qf4+"; ce 32758; dm 5; id "MG 2193"; pm Qf4+; pv Qf4+ Bg3 Ng4+ hxg4 Bg1+ Qxg1 Qh6+ Bh4 Qxh4#; 
6k1/6n1/1p3Rp1/4qp2/3pN1PQ/P2P3P/1Pr1r3/5RK1 w - - acd 11; acs 0; bm Qh8+; c0 "level: easy-2"; c3 "Qh8+"; ce 32758; dm 5; id "MG 1620"; pm Qh8+; pv Qh8+ Kxh8 Rf8+ Kh7 Ng5+ Kh6 Nf7+ Kh7 Rh8#; 
6k1/6p1/p3br2/1p1pQ3/5r2/1P1B2R1/1P3qPP/2R4K w - - acd 121; acs 58; bm Rc8+; c0 "level: med-4"; c3 "Rc8+"; c4 "Reinfeld.798.1001"; ce 32758; dm 5; id "WCSAC.0798"; pm Rc8+; pv Rc8+ Bxc8 Qe8+ Rf8 Rxg7+ Kxg7 Qg6+ Kh8 Qh7+; 
6k1/pp1bR1r1/6p1/3p3p/3P2P1/2Pq4/PP3QK1/4R3 w - - acd 11; acs 0; bm Rxg7+; c0 "level: easy-1"; c3 "Rxg7+"; ce 32758; dm 5; id "MG 0376"; pm Rxg7+; pv Rxg7+ Kxg7 Re7+ Kh6 Qf4+ g5 Qf8+ Kg6 Qg7#; 
6r1/1qnR2bk/6p1/7p/8/P3QN2/K5P1/8 w - - acd 11; acs 0; bm Ng5+; c0 "level: easy-2"; c3 "Ng5+"; ce 32758; dm 5; id "MG 1663"; pm Ng5+; pv Ng5+ Kh8 Nf7+ Kh7 Qh6+ Bxh6 Ng5+ Kh8 Rh7#; 
6rk/6rp/3qPp2/2p1bP1Q/pp6/4BR1R/P1P3P1/7K w - - acd 11; acs 0; bm Qxh7+; c0 "level: med-3"; c3 "Qxh7+"; ce 32758; dm 5; id "MG 1948"; pm Qxh7+; pv Qxh7+ Rxh7 Rxh7+ Kxh7 Rh3+ Kg7 Bh6+ Kh7 Bf8#; 
7k/1R3p1p/P2Pp3/4n3/8/8/r5BP/2r2N1K b - - acd 11; acs 0; bm Nf3; c0 "level: easy-1"; c3 "Nf3"; c4 "Reinfeld.461.1001"; ce 32758; dm 5; id "WCSAC.0461"; pm Nf3; pv Nf3 Rb8+ Kg7 Rg8+ Kxg8 h3 Rxf1+ Bxf1 Rh2#; 
7k/pppR3p/5p1N/8/5n1N/7P/P4bPK/4r3 w - - acd 11; acs 0; bm Rd8+; c0 "level: easy-1"; c3 "Rd8+"; ce 32758; dm 5; id "MG 0293"; pm Rd8+; pv Rd8+ Re8 Rxe8+ Kg7 N4f5+ Kg6 Rg8+ Kh5 g4#; 
7Q/ppp2q2/3p2k1/P2Ppr1N/1PP5/7R/5rP1/6K1 b - - acd 11; acs 0; bm Rxg2+; c0 "Black Mates in 5. Petersen vs Ge Wheatcroft, Stockholm, 1937"; c2 "Source: wtharvey.com"; c3 "Rxg2+"; c4 "WinAtChess.167 ...Rf1+ gives black a better endgame but Rxg2+ leads to a quick mate."; ce 32758; dm 5; id "wtharvey.com.06842"; pm Rxg2+; pv Rxg2+ Kxg2 Rf2+ Kg3 Qf3+ Kh4 Qe4+ Nf4+ Qxf4#; 
8/p4pkp/P1p3p1/2p5/2n1P1q1/2PKp1P1/2P5/1Q2B3 b - - acd 11; acs 0; bm Ne5+; c0 "level: easy-1"; c3 "Ne5+"; ce 32758; dm 5; id "MG 0594"; pm Ne5+; pv Ne5+ Kxe3 Qf3+ Kd2 Nc4+ Kc1 Qe2 g4 Qxe1#; 
k7/p1p5/2p4p/6p1/3P1pR1/2PQ1P1q/PP2rP1P/4R2K b - - acd 11; acs 0; bm Rxf2; c0 "level: easy-1"; c3 "Rxf2"; ce 32758; dm 5; id "MG 0486"; pm Rxf2; pv Rxf2 Re8+ Kb7 Rb8+ Kxb8 Qb5+ cxb5 d5 Qxh2#; 
kr6/7Q/1pP5/pP1r3b/P4ppp/2R2N2/2R2KP1/3q4 w - - acd 11; acs 0; bm Qb7+; c0 "level: easy-1"; c3 "Qb7+"; ce 32758; dm 5; id "MG 0152"; pm Qb7+; pv Qb7+ Rxb7 cxb7+ Ka7 b8=Q+ Kxb8 Rc8+ Kb7 R2c7#; 
N1bk3r/p5pp/3b1p2/3B4/3nP1nq/3P3N/PPP3KP/R1B1Q2R b - - acd 11; acs 0; bm Qxh3+; c0 "level: easy-1"; c3 "Qxh3+"; c4 "POL-UNK {The unknown Polgar}"; ce 32758; dm 5; id "MG 0191"; pm Qxh3+; pv Qxh3+ Kxh3 Ne3+ Be6 Bxe6+ Kh4 Nf3+ Kh5 Bg4#; 
r1b1Q1rk/2p4p/3p4/p1pPp1q1/2P1PpP1/2N5/PP3P2/2K3RR w - - acd 11; acs 0; bm Rxh7+; c0 "level: easy-1"; c3 "Rxh7+"; ce 32758; dm 5; id "MG 0367"; pm Rxh7+; pv Rxh7+ Kxh7 Qf7+ Rg7 Rh1+ Qh6 Rxh6+ Kxh6 Qh5#; 
r1b2k1r/ppp2ppp/1bnp1R2/3Np3/2BqP1Q1/3P3N/PPP3PP/R1BK4 w - - acd 11; acs 0; bm Qxg7+; c0 "level: easy-1"; c3 "Qxg7+"; c4 "POL-UNK {The unknown Polgar}"; ce 32758; dm 5; id "MG 0101"; pm Qxg7+; pv Qxg7+ Ke8 Qxf7+ Kd8 Rxd6+ cxd6 Bg5+ Ne7 Qxe7#; 
r1b2kr1/1pRnn1p1/p2Np1q1/3pPpNp/3p1P1P/Q7/PP2BKP1/2R5 w - - acd 11; acs 1; bm Rxc8+; c0 "level: med-3"; c1 "Permutation"; c3 "Rxc8+"; ce 32758; dm 5; id "MG 1967"; pm Rxc8+; pv Rxc8+ Rxc8 Rxc8+ Nxc8 Nxc8+ Nc5 Qxc5+ Ke8 Qe7#; 
r1b2rk1/1pq2p1p/p4Q2/1pP5/5p2/3BR3/P4PPP/5K1R w - - acd 11; acs 0; bm Bxh7+ Rg3+; c3 "Bxh7+ Rg3+"; c4 "Reinfeld.369.1001"; ce 32758; dm 5; id "WCSAC.0369"; pm Bxh7+; pv Bxh7+ Kxh7 Rg3 fxg3 hxg3+ Bh3 Rxh3+ Kg8 Rh8#; 
r1bqrk2/pp1n1n1p/3p1p2/P1pP1P1Q/2PpP1NP/6R1/2PB4/4RBK1 w - - acd 11; acs 0; bm Qxf7+; c0 "level: med-4"; c3 "Qxf7+"; c4 "WinAtChess.211"; ce 32758; dm 5; id "MG 2181"; pm Qxf7+; pv Qxf7+ Kxf7 Nh6+ Kf8 Rg8+ Ke7 Rg7+ Kf8 Rf7#; 
r2k4/ppp1n1r1/1b2RN1q/8/2pp2P1/5Q2/PPP2P1P/R5K1 w - - acd 11; acs 0; bm Qd5+; c0 "level: easy-1"; c3 "Qd5+"; ce 32758; dm 5; id "MG 0538"; pm Qd5+; pv Qd5+ Kc8 Qd7+ Kb8 Qd8+ Nc8 Qxc8+ Kxc8 Re8#; 
r2qk2r/ppp2pp1/2p5/4N3/3bQ3/2P3p1/PP3PP1/RNB2RK1 b kq - acd 11; acs 0; bm Bxf2+; c0 "Black Mates in 5. Carl Mayet vs Adolf Anderssen, Berlin, 1851"; c2 "Source: wtharvey.com"; c3 "Bxf2+"; ce 32758; dm 5; id "wtharvey.com.09998"; pm Bxf2+; pv Bxf2+ Rxf2 Rh1+ Kxh1 Qd1+ Qe1 Qxe1+ Rf1 Qxf1#; 
r2qkb1r/pppb2pp/3p1n2/5pN1/2BQP3/2N5/PPP2PPP/R1B1K2R w KQkq - acd 11; acs 1; bm Bf7+; c0 "level: easy-2"; c3 "Bf7+"; ce 32758; dm 5; id "MG 1633"; pm Bf7+; pv Bf7+ Ke7 Qxf6+ Kxf6 Nd5+ Ke5 Nf3+ Kxe4 Nc3#; 
r2r2k1/1p3ppp/3b4/pP5q/3Np3/P3PbPP/2R1B2K/2R2Q2 b - - acd 11; acs 0; bm Bxg3+; c0 "level: easy-1"; c3 "Bxg3+"; ce 32758; dm 5; id "MG 0465"; pm Bxg3+; pv Bxg3+ Kg1 Bh2+ Kxh2 Qe5+ Kg1 Qg3+ Qg2 Qxg2#; 
r3k1nr/pp1n2pp/1bp1N1q1/6B1/2B1p3/8/PPP2RPP/R2Q3K w kq - acd 11; acs 0; bm Qxd7+; c0 "level: easy-1"; c3 "Qxd7+"; c4 "Reinfeld.741.1001"; ce 32758; dm 5; id "WCSAC.0741"; pm Qxd7+; pv Qxd7+ Kxd7 Rd1+ Kc8 Rf8+ Qe8 Rxe8+ Bd8 Rexd8#; 
r3kb1r/1pp3p1/p3bp1p/5q2/3QN3/1P6/PBP3P1/3RR1K1 w kq - acd 11; acs 0; bm Qd7+; c0 "level: med-5"; c3 "Qd7+"; c4 "Reinfeld.401.1001"; ce 32758; dm 5; id "WCSAC.0401"; pm Qd7+; pv Qd7+ Bxd7 Nd6+ Kd8 Nf7+ Kc8 Re8+ Bxe8 Rd8#; 
r3kb1r/ppp3p1/4bp1p/5q2/3QN2B/1PP5/P4PPP/3RR1K1 w kq - acd 11; acs 0; bm Qd7+; c0 "level: med-4"; c3 "Qd7+"; c4 "Reinfeld.414.1001"; ce 32758; dm 5; id "WCSAC.0414"; pm Qd7+; pv Qd7+ Bxd7 Nd6+ Kd8 Nf7+ Kc8 Re8+ Bxe8 Rd8#; 
r3qr2/ppp1ppkP/3p1nb1/6Q1/3P3N/8/PPP1PPP1/R3KB1R w KQ - acd 11; acs 0; bm h8=Q+ h8=R; c3 "h8=Q+ h8=R"; c4 "Reinfeld.647.1001"; ce 32758; dm 5; id "WCSAC.0647"; pm h8=Q+; pv h8=Q+ Rxh8 Nf5+ Kg8 Rxh8+ Kxh8 Qh6+ Bh7 Qg7#; 
r3r1k1/1p3ppp/2p2b2/p7/8/Q1BP2Pq/PPP4P/4RR1K b - - acd 11; acs 0; bm Re2; c0 "Black Mates in 4. Eugene Znosko-Borovsky vs Duras, St. Petersburg, 1909"; c2 "Source: wtharvey.com"; c3 "Re2"; c4 "Reinfeld.462.1001"; ce 32758; dm 5; id "WCSAC.0462"; pm Re2; pv Re2 Rf2 Rxf2 Re8+ Rxe8 Qf8+ Rxf8 g4 Rf1#; 
r3r1k1/p4p1p/5Bp1/2q5/8/8/PP1Q4/KR1R4 w - - acd 11; acs 0; bm Qh6; c0 "level: easy-2"; c3 "Qh6"; ce 32758; dm 5; id "MG 1668"; pm Qh6; pv Qh6 Qf8 Qxh7+ Kxh7 Rh1+ Qh6 Rxh6+ Kxh6 Rh1#; 
r3rbk1/5b2/2R3p1/1p1p2Np/3B2n1/1P1P2P1/4PPB1/6K1 w - - acd 11; acs 0; bm Rxg6+; c0 "level: easy-1"; c3 "Rxg6+"; ce 32758; dm 5; id "MG 0253"; pm Rxg6+; pv Rxg6+ Bg7 Rxg7+ Kf8 Rxf7+ Kg8 Rg7+ Kh8 Nf7#; 
r4kr1/ppp2n1p/3p4/8/3bPP1q/3Q3P/PP5K/RNB2R2 b - - acd 11; acs 0; bm Bg1+; c0 "level: easy-1"; c3 "Bg1+"; ce 32758; dm 5; id "MG 0484"; pm Bg1+; pv Bg1+ Kh1 Rg3 Qxd6+ Nxd6 Rf2 Qxh3+ Rh2 Qxh2#; 
r4nk1/pp3p1p/2p4r/3p2p1/3P1N1q/3BPbPP/PPQ2P1K/R4R2 b - - acd 11; acs 0; bm Qxh3+; c0 "level: med-6"; c3 "Qxh3+"; ce 32758; dm 5; id "MG 2552"; pm Qxh3+; pv Qxh3+ Nxh3 g4 Bxh7+ Kh8 e4 Rxh3+ Kg1 Rh1#; 
r4r1k/5p1p/p2p1Pp1/2p3Q1/2P1PR2/7P/1Pq3P1/1R5K w - - acd 11; acs 0; bm Qh6; c0 "level: easy-2"; c3 "Qh6"; ce 32758; dm 5; id "MG 1625"; pm Qh6; pv Qh6 Qxb1+ Kh2 Qg1+ Kxg1 Rg8 Qxh7+ Kxh7 Rh4#; 
r4rk1/p1p4p/1p1pp3/2P2p1q/2PPn1p1/1Q1BPbP1/PBR2P1P/4R1K1 b - - acd 26; acs 0; bm Qxh2+; c0 "level: med-10"; c3 "Qxh2+"; ce 32758; dm 5; id "MG 3076"; pm Qxh2+; pv Qxh2+ Kxh2 Rf6 Bf1 Rh6+ Bh3 Rxh3+ Kg1 Rh1+; 
r4rk1/p1pb1qp1/3n1p1R/2pPpN2/2P5/P1PB4/4Q1PP/5RK1 w - - acd 11; acs 1; bm Ne7+; c0 "White Mates in 5. Friedrich Saemisch vs Klaus Engel, Bruenn, 1928"; c2 "Source: wtharvey.com"; c3 "Ne7+"; c4 "Reinfeld.557.1001"; ce 32758; dm 5; id "WCSAC.0557"; pm Ne7+; pv Ne7+ Qxe7 Rh8+ Kxh8 Qh5+ Kg8 Qh7+ Kf7 Bg6#; 
r6k/p1Q5/2p1b1rq/4p3/B3P3/4P3/PPP3P1/4RRK1 b - - acd 11; acs 0; bm Rxg2+; c0 "level: easy-1"; c3 "Rxg2+"; c4 "Reinfeld.994.1001"; ce 32758; dm 5; id "WCSAC.0994"; pm Rxg2+; pv Rxg2+ Kxg2 Rg8+ Kf3 Qh5+ Kf2 Qh2+ Kf3 Bg4#; 
r6r/pbppk3/1p2pqQ1/6B1/2Pn4/8/PP3PPP/R4RK1 b - - acd 11; acs 0; bm Ne2+; c0 "level: easy-1"; c3 "Ne2+"; ce 32758; dm 5; id "MG 0472"; pm Ne2+; pv Ne2+ Kh1 Rxh2+ Kxh2 Rh8+ Qh7+ Rxh7+ Bh4 Rxh4#; 
r6r/ppp2kp1/1b6/8/3np3/PPP2qN1/5P1P/R1NQ1RK1 b - - acd 11; acs 0; bm Rxh2; c0 "level: med-3"; c3 "Rxh2"; ce 32758; dm 5; id "MG 1957"; pm Rxh2; pv Rxh2 Kxh2 Rh8+ Kg1 Qxg3+ fxg3+ Nf3+ Kg2 Rh2#; 
rb4rk/p4p1p/1q3p1B/2R2N2/3pb2Q/P5P1/1P2BP1P/6K1 w - - acd 11; acs 1; bm Bg7+; c0 "level: med-3"; c3 "Bg7+"; ce 32758; dm 5; id "MG 1955"; pm Bg7+; pv Bg7+ Rxg7 Rc8+ Rg8 Qg4 Qd8 Rxd8 h6 Qxg8#; 
rn1q1rk1/pppbb1p1/4p3/3pP1P1/3P4/2N5/PPP2PP1/R2QK2R w KQ - acd 11; acs 0; bm Rh8+; c0 "level: med-4"; c3 "Rh8+"; ce 32758; dm 5; id "MG 2185"; pm Rh8+; pv Rh8+ Kxh8 Qh5+ Kg8 g6 Re8 Qh7+ Kf8 Qh8#; 
rn1qr2Q/pbppk1p1/1p2pb2/4N3/3P4/2N5/PPP3PP/R4RK1 w - - acd 11; acs 0; bm Qxg7+; c0 "level: med-5"; c3 "Qxg7+"; c4 "Reinfeld.704.1001"; ce 32758; dm 5; id "WCSAC.0704"; pm Qxg7+; pv Qxg7+ Bxg7 Rf7+ Kd6 Nb5+ Kd5 c4+ Ke4 Re1#; 
rn2nrk1/p1q3pp/1p2p2B/3b3Q/3P1N2/P1PB4/5P1P/R3K1R1 w Q - acd 11; acs 0; bm Bxh7+; c0 "level: easy-1"; c3 "Bxh7+"; ce 32758; dm 5; id "MG 0420"; pm Bxh7+; pv Bxh7+ Kh8 Ng6+ Kxh7 Bf4+ Kg8 Qh8+ Kf7 Qxf8#; 
rn4kr/ppq1pp1p/5bpB/5R2/2B5/8/PPP3PP/R2Q3K w - - acd 11; acs 1; bm Qd5; c0 "level: med-4"; c3 "Qd5"; c4 "Reinfeld.729.1001"; ce 32758; dm 5; id "WCSAC.0729"; pm Qd5; pv Qd5 Qxh2+ Kxh2 e6 Qxe6 Be5+ Qxe5 g5 Bxf7#; 
rnb1k2r/pppp1ppp/8/3Pp3/2P1n2q/5KPP/PP2P3/RNBQ1BNR b kq - acd 11; acs 0; bm Qxg3+; c0 "level: easy-1"; c3 "Qxg3+"; ce 32758; dm 5; id "OP 0015"; pm Qxg3+; pv Qxg3+ Kxe4 f5+ Kxf5 d6+ Ke4 Bf5+ Kxf5 Qg6#; 
rnb1kr2/pp2bpQp/2p1p3/8/2q2B2/2PR3N/P4PPP/3R2K1 w q - acd 11; acs 0; bm Rd8+; c0 "level: med-3"; c3 "Rd8+"; ce 32758; dm 5; id "MG 1960"; pm Rd8+; pv Rd8+ Bxd8 Rxd8+ Kxd8 Qxf8+ Kd7 Qxf7+ Kd8 Bc7#; 
rnb4r/ppp4k/7p/7q/2QB2pP/8/PPP3P1/R4RK1 w - - acd 11; acs 1; bm Rf7+; c0 "level: easy-1"; c3 "Rf7+"; ce 32758; dm 5; id "MG 0421"; pm Rf7+; pv Rf7+ Kg6 Rg7+ Kf5 Rf1+ Ke4 Bf6+ Ke3 Qd3#; 
rnbkr3/ppp2Bpp/5b2/7q/2Q2p2/5N2/PPPP2PP/R1B2K1R b - - acd 11; acs 0; bm Qxf3+; c0 "level: easy-1"; c3 "Qxf3+"; c4 "POL-UNK {The unknown Polgar}"; ce 32758; dm 5; id "MG 0190"; pm Qxf3+; pv Qxf3+ gxf3 Bh3+ Kf2 Bh4+ Kg1 Re1+ Qf1 Rxf1#; 
rnbq1rk1/pppp1ppp/8/8/2B5/2B5/P4PPP/R2Q1RK1 w - - acd 11; acs 1; bm Qg4; c0 "level: easy-2"; c3 "Qg4"; c4 "Reinfeld.957.1001"; ce 32758; dm 5; id "WCSAC.0957"; pm Qg4; pv Qg4 Qf6 Bxf6 g6 Qf4 h6 Qxh6 g5 Qh8#; 
rr4k1/6pp/2Q5/3KN3/8/q7/8/8 w - - acd 11; acs 0; bm Qe6+; c0 "level: easy-1"; c3 "Qe6+"; ce 32758; dm 5; id "MG 0628"; pm Qe6+; pv Qe6+ Kh8 Nf7+ Kg8 Nd8+ Kh8 Qe8+ Qf8 Qxf8#; 
1kb3rr/1p2n2q/1Np2p2/1p6/1P1N1P1p/8/2P1RQPP/R6K w - - acd 9; acs 0; bm Nxb5; c0 "level: med-4"; c3 "Nxb5"; c4 "(got a !? but game-theor optimal) (Krogius_EofCM) #1467 white_wins"; ce 32760; dm 4; id "WCSAC.0962"; pm Nxb5; pv Nxb5 cxb5 Qc5 Nc6 Qd6+ Qc7 Ra8#; 
1nbq1r1k/3rbp1p/p1p1pp1Q/1p6/P1pPN3/5NP1/1P2PPBP/R4RK1 w - - acd 9; acs 0; bm Nfg5; c0 "level: med-10"; c3 "Nfg5"; c4 "WinAtChess.293"; ce 32760; dm 4; id "MG 3075"; pm Nfg5; pv Nfg5 fxg5 Nf6 Bxf6 Be4 g4 Qxh7#; 
1nbqnrk1/1pp1bp1p/r6Q/3B4/1p2P3/8/PBPPN1PP/R4RK1 w - - acd 9; acs 0; bm Qxf8+; c0 "level: easy-1"; c3 "Qxf8+"; ce 32760; dm 4; id "MG 0143"; pm Qxf8+; pv Qxf8+ Kxf8 Rxf7+ Kg8 Rg7+ Kh8 Rg8#; 
1qr1k3/3n1pBp/2b5/pp2p3/4P1N1/bP1Q1B2/P6P/3R3K w - - acd 9; acs 0; bm Qxd7+; c0 "level: med-3"; c3 "Qxd7+"; ce 32760; dm 4; id "MG 1962"; pm Qxd7+; pv Qxd7+ Bxd7 Nf6+ Ke7 Rxd7+ Ke6 Bg4#; 
1r1q3k/1bp1n1pp/3p4/4n3/4Nr2/1P1Q3R/P1P2PPP/5RK1 w - - acd 9; acs 0; bm Nf6; c0 "level: easy-1"; c3 "Nf6"; c4 "Reinfeld.321.1001"; ce 32760; dm 4; id "WCSAC.0321"; pm Nf6; pv Nf6 Nf3+ Kh1 Ng5 Rxh7+ Nxh7 Qxh7#; 
1R1R4/6pk/4p2p/2P1P2P/5P2/3p2rK/4p3/8 w - - acd 9; acs 0; bm Kh2; c0 "level: med-3"; c3 "Kh2"; ce 32760; dm 4; id "EGR 0201"; pm Kh2; pv Kh2 Rg2+ Kxg2 e1=N+ Kf2 g6 Rd7#; 
1r2r1k1/p2q1pbp/6p1/4n3/5Q2/2N3Pb/PPP2PBP/R1BR2K1 b - - acd 9; acs 0; bm Qxd1+; c0 "level: easy-1"; c3 "Qxd1+"; c4 "Reinfeld.690.1001"; ce 32760; dm 4; id "WCSAC.0690"; pm Qxd1+; pv Qxd1+ Nxd1 Nf3+ Qxf3 Re1+ Bf1 Rxf1#; 
1r3r2/2kP2Rp/p1bN1p2/2p5/5P2/2P5/P5PP/3R2K1 w - - acd 9; acs 0; bm d8=B+ d8=Q+; c3 "d8=B+ d8=Q+"; ce 32760; dm 4; id "BWTC.0278"; pm d8=B+ d8=Q+; pv d8=Q+ Kxd8 Nb5+ Bd7 Rgxd7+ Ke8 Nc7#; 
1r5k/p2Q2pp/4Br2/3p4/1qpb3P/5P2/PP1R3R/K7 b - - acd 9; acs 0; bm Bxb2+; c0 "level: easy-1"; c3 "Bxb2+"; ce 32760; dm 4; id "MG 0483"; pm Bxb2+; pv Bxb2+ Kb1 Bd4+ Rb2 Qe1+ Kc2 Rxb2#; 
1r5r/3Rbkpn/Bp2p1p1/2P2p2/4pP2/1Q2P3/PP3qPP/1K1R4 w - - acd 9; acs 0; bm Qxe6+; c0 "level: easy-2"; c3 "Qxe6+"; ce 32760; dm 4; id "MG 1624"; pm Qxe6+; pv Qxe6+ Kxe6 Bc4+ Kf6 R1d6+ Bxd6 Rf7#; 
1R6/6pk/4N2p/1p3P2/1P2p3/4P1KP/2r2P2/3n4 w - - acd 9; acs 0; bm Nf8+; c0 "level: easy-1"; c3 "Nf8+"; ce 32760; dm 4; id "EG 0006"; pm Nf8+; pv Nf8+ Kg8 Ng6+ Rc8 Rxc8+ Kf7 Rf8#; 
1r6/k4ppp/p1R1pn2/N7/P2r3P/5P2/5PP1/1R3K2 w - - acd 9; acs 0; bm Rc7+; c0 "level: easy-1"; c3 "Rc7+"; ce 32760; dm 4; id "MG 0229"; pm Rc7+; pv Rc7+ Ka8 Ra7+ Kxa7 Nc6+ Ka8 Rxb8#; 
1rb2rk1/p4pp1/2p4p/2q1pP1Q/3pPb1P/1BN3R1/PPP3P1/3R3K w - - acd 9; acs 0; bm Qg6; c0 "level: med-5"; c3 "Qg6"; ce 32760; dm 4; pm Qg6; pv Qg6 Bg5 Rxg5 hxg5 f6 g4 Qxg7#; 
1rb3k1/p5pp/2Q2n2/8/2P5/2N4P/Pq4B1/5R1K w - - acd 9; acs 0; bm Qe8+; c0 "level: easy-1"; c3 "Qe8+"; ce 32760; dm 4; id "MG 0069"; pm Qe8+; pv Qe8+ Nxe8 Bd5+ Be6 Bxe6+ Kh8 Rf8#; 
2br3k/2r1q2p/2P1p3/pp2Pp1B/1p3P1Q/2p3R1/P6P/6RK w - - acd 9; acs 0; bm Bf7; c0 "level: easy-1"; c3 "Bf7"; ce 32760; dm 4; pm Bf7; pv Bf7 Qg5 Qxh7+ Kxh7 Rxg5 c2 Rh5#; 
2k1r3/ppp3pp/3r4/8/5n2/NBP2P2/PP3RPP/R2b2K1 b - - acd 9; acs 0; bm Re1+; c0 "level: easy-1"; c3 "Re1+"; ce 32760; dm 4; id "MG 0314"; pm Re1+; pv Re1+ Rf1 Nh3+ gxh3 Rg6+ Kh1 Bxf3#; 
2k2r2/2p5/1pq5/p1p1n3/P1P2n1B/1R4Pp/2QR4/6K1 b - - acd 9; acs 0; bm Ne2+; c0 "level: easy-1"; c3 "Ne2+"; c4 "Reinfeld.983.1001"; ce 32760; dm 4; id "WCSAC.0983"; pm Ne2+; pv Ne2+ Rxe2 Rf1+ Kxf1 Qh1+ Kf2 Ng4#; 
2k5/ppp3pp/8/NQ2n2q/2Pp1n2/R4bP1/1P3P1P/4R1K1 b - - acd 9; acs 0; bm Qxh2+; c0 "level: easy-1"; c3 "Qxh2+"; c4 "(Krogius_EofCM) #1595 black_wins"; ce 32760; dm 4; id "ECM.657"; pm Qxh2+; pv Qxh2+ Kxh2 Ng4+ Kg1 Nh3+ Kf1 Nh2#; 
2n2rk1/p4N2/1pN2Qp1/2pP1b1p/2P5/8/P2q1PPP/4R1K1 w - - acd 9; acs 0; bm Qh8+; c0 "level: easy-1"; c3 "Qh8+"; ce 32760; dm 4; id "MG 0347"; pm Qh8+; pv Qh8+ Kxf7 Re7+ Nxe7 Qh7+ Kf6 Qxe7#; 
2q1rk2/6bQ/p2pPppR/np6/3B4/2Pb1P2/P1P5/2KR4 w - - acd 9; acs 0; bm Bxf6; c0 "level: easy-1"; c3 "Bxf6"; ce 32760; dm 4; pm Bxf6; pv Bxf6 Nb3+ axb3 Bxh6+ Qxh6+ Kg8 Qg7#; 
2q2r2/5rk1/4pNpp/p2pPn2/P1pP2QP/2P2R2/2B3P1/6K1 w - - acd 9; acs 0; bm Qxg6+; c0 "James Mason vs Isidor Gunsberg, Nuremberg, 1883"; c2 "Source: wtharvey.com"; c3 "Qxg6+"; ce 32760; dm 4; id "wtharvey.com.01931"; pm Qxg6+; pv Qxg6+ Kh8 Bxf5 h5 Qh6+ Rh7 Qxh7#; 
2q3k1/pbR1bppp/4r3/1Q2p3/8/4P1P1/P4PPK/1BBR4 b - - acd 9; acs 0; bm Rh6+; c0 "level: easy-1"; c3 "Rh6+"; c4 "Reinfeld.91.1001"; ce 32760; dm 4; id "WCSAC.0091"; pm Rh6+; pv Rh6+ Kg1 Rh1+ Kxh1 Qh3+ Kg1 Qxg2#; 
2q3kr/r3n2p/p3b3/1p2QpB1/2p5/2P2B2/5P1P/3R1RK1 w - - acd 9; acs 0; bm Rd8+; c0 "level: easy-1"; c3 "Rd8+"; ce 32760; dm 4; id "MG 0505"; pm Rd8+; pv Rd8+ Qxd8 Qxe6+ Kf8 Bh6+ Ke8 Bh5#; 
2r1kb1r/3b2p1/p3p3/1p3p2/7p/2PnqP2/PP2N1PP/R1QBRN1K b k - acd 9; acs 0; bm Nf2+; c0 "level: easy-1"; c3 "Nf2+"; ce 32760; dm 4; id "MG 0659"; pm Nf2+; pv Nf2+ Kg1 Nh3+ Kh1 Qg1+ Nxg1 Nf2#; 
2r1n1k1/r5pp/2p5/1pP1NQ2/3P4/pPq1P1R1/P6P/1K4R1 w - - acd 9; acs 0; bm Qe6+ Rxg7+; c3 "Qe6+ Rxg7+"; ce 32760; dm 4; id "BWTC.0483"; pm Qe6+ Rxg7+; pv Rxg7+ Rxg7 Qf7+ Kh8 Qf8+ Rg8 Nf7#; 
2r1nrk1/p4p1p/1p2p1pQ/nPqbRN2/8/P2B4/1BP2PPP/3R2K1 w - - acd 9; acs 0; bm Ne7+; c0 "level: med-3"; c3 "Ne7+"; c4 "Reinfeld.567.1001"; ce 32760; dm 4; pm Ne7+; pv Ne7+ Qxe7 Qxh7+ Kxh7 Rh5+ Kg8 Rh8#; 
2r1r2k/1b5p/p2QNq2/3p1P2/3Pp3/8/6RP/6RK w - - acd 9; acs 0; bm Nf8; c0 "level: easy-1"; c3 "Nf8"; c4 "Reinfeld.597.1001"; ce 32760; dm 4; id "WCSAC.0597"; pm Nf8; pv Nf8 Rxf8 Rg8+ Rxg8 Qxf6+ Rg7 Qxg7#; 
2r2r2/1p3ppk/p2R3p/8/2qQp1N1/P2n2RP/1P3PPK/8 w - - acd 9; acs 0; bm Nf6+ Rxh6+; c3 "Nf6+ Rxh6+"; ce 32760; dm 4; id "yacpdb id 310645"; pm Nf6+; pv Nf6+ Kh8 Rxg7 Kxg7 Ne8+ Kh7 Qg7#; 
2r3k1/Q4Rpp/p1q1n3/P2pP3/8/1pP5/1P4PP/5R1K w - - acd 9; acs 0; bm Rxg7+; c0 "level: easy-1"; c3 "Rxg7+"; c4 "Reinfeld.681.1001"; ce 32760; dm 4; pm Rxg7+; pv Rxg7+ Nxg7 Qf7+ Kh8 Qf8+ Rxf8 Rxf8#; 
2rk4/1b1p3p/pp2p3/5p2/1PPp2rq/P2B2N1/5QpP/3RR1K1 b - - acd 9; acs 0; bm Qxh2+; c0 "level: easy-2"; c3 "Qxh2+"; c4 "Reinfeld.664.1001"; ce 32760; dm 4; id "WCSAC.0664"; pm Qxh2+; pv Qxh2+ Kxh2 Rh4+ Kg1 Rh1+ Nxh1 gxh1=Q#; 
3b1r2/2r2p2/p2pR1pk/1p1P1Q1P/2n5/8/PP3PP1/6K1 w - - acd 9; acs 0; bm Rxg6+; c0 "level: easy-1"; c3 "Rxg6+"; ce 32760; dm 4; id "MG 0558"; pm Rxg6+; pv Rxg6+ Kh7 Rf6+ Kg7 Qg5+ Kh7 Rh6#; 
3q1n1k/3rNpbp/p2P4/1p2pNPQ/4n3/5R1R/P2B2KP/1r6 w - - acd 9; acs 0; bm Qxh7+; c0 "level: easy-1"; c3 "Qxh7+"; ce 32760; dm 4; id "MG 0129"; pm Qxh7+; pv Qxh7+ Nxh7 Rxh7+ Kxh7 Rh3+ Bh6 Rxh6#; 
3q3r/p2r1pkp/bp1N1np1/n2p4/5Q2/B1P5/P4PPP/R3R1K1 w - - acd 9; acs 0; bm Nf5+; c0 "level: easy-1"; c3 "Nf5+"; c4 "(Krogius_EofCM) #1465 white_wins"; ce 32760; dm 4; id "ECM.527"; pm Nf5+; pv Nf5+ Kg8 Qh6 Nh5 Qg7+ Nxg7 Nh6#; 
3Q4/p3b1k1/2p2rPp/2q5/4B3/P2P4/8/6RK w - - acd 9; acs 0; bm Qh8+; c3 "Qh8+"; c4 "Reinfeld.645.1001 typo, fixed july 19 1993."; ce 32760; dm 4; id "WCSAC.0645"; pm Qh8+; pv Qh8+ Kxh8 g7+ Kg8 Bh7+ Kf7 g8=Q#; 
3r1rk1/pp1q1ppn/2p4R/8/3N4/1P3P2/PBPP4/2K3R1 w - - acd 9; acs 0; bm Rxg7+; c0 "level: easy-1"; c3 "Rxg7+"; ce 32760; dm 4; id "MG 0276"; pm Rxg7+; pv Rxg7+ Kxg7 Nf5+ Kg8 Rg6+ fxg6 Nh6#; 
3r2k1/p3R1p1/1pq2pQp/8/8/1P4P1/PB3P1P/3b2K1 b - - acd 9; acs 0; bm Qh1+; c0 "level: easy-1"; c3 "Qh1+"; c4 "Reinfeld.746.1001"; ce 32760; dm 4; id "WCSAC.0746"; pm Qh1+; pv Qh1+ Kxh1 Bf3+ Kg1 Rd1+ Re1 Rxe1#; 
3r2k1/p6p/2Q3p1/4q3/2P1p3/P3Pb2/1P3P1P/2K2BR1 b - - acd 9; acs 0; bm Rd1+; c0 "level: easy-1"; c3 "Rd1+"; c4 "WinAtChess.134"; ce 32760; dm 4; id "MG 0482"; pm Rd1+; pv Rd1+ Kc2 Rd2+ Kxd2 Qxb2+ Ke1 Qc1#; 
3r2k1/pb1q1pp1/1p2pb1p/8/3N4/P2QB3/1P3PPP/1Br1R1K1 w - - acd 9; acs 0; bm Qh7+; c0 "level: easy-1"; c3 "Qh7+"; c4 "WinAtChess.215"; ce 32760; dm 4; id "MG 0616"; pm Qh7+; pv Qh7+ Kf8 Qh8+ Ke7 Nf5+ exf5 Bc5#; 
3r3r/pk3ppp/1ppB1q2/4p3/2B1P1n1/Q2R4/1PP1NPPP/6K1 w - - acd 9; acs 0; bm Qa6+ Qxa7+; c3 "Qa6+ Qxa7+"; c4 "Reinfeld.378.1001"; ce 32760; dm 4; id "WCSAC.0378"; pm Qxa7+; pv Qxa7+ Kxa7 Ra3+ Kb7 Ba6+ Ka7 Bc8#; 
3rb1k1/ppq3p1/2p1p1p1/6P1/2Pr3R/1P1Q4/P1B4P/5RK1 w - - acd 9; acs 0; bm Rh8+; c0 "Arnold Denker vs H Klein, USA, 1944"; c2 "Source: wtharvey.com"; c3 "Rh8+"; ce 32760; dm 4; id "wtharvey.com.04197"; pm Rh8+; pv Rh8+ Kxh8 Rf8+ Kh7 Qh3+ Rh4 Qxh4#; 
3rr1k1/ppq2ppp/8/5Q2/2B5/1PP1p3/P4PPb/R1B1RK2 b - - acd 9; acs 0; bm Qxc4+; c0 "level: easy-1"; c3 "Qxc4+"; ce 32760; dm 4; id "MG 0206"; pm Qxc4+; pv Qxc4+ Qd3 Qxd3+ Re2 Qd1+ Re1 e2#; 
4b1r1/1p1q1n1k/p1r1R2p/2Pp1P1Q/P2B2pP/1P6/6B1/4R1K1 w - - acd 9; acs 0; bm Qg6+; c0 "level: easy-2"; c3 "Qg6+"; ce 32760; dm 4; id "MG 1626"; pm Qg6+; pv Qg6+ Rxg6 fxg6+ Kg8 Rxe8+ Qxe8 Rxe8#; 
4r3/pb3kpp/1p1b4/6q1/1P6/P1BP1P1P/2P2KP1/R2Q4 b - - acd 9; acs 0; bm Qe3+; c0 "level: easy-2"; c3 "Qe3+"; ce 32760; dm 4; id "MG 1653"; pm Qe3+; pv Qe3+ Kf1 Bh2 Bd4 Qxd4 h4 Qg1#; 
4r3/pR4Q1/3kr3/2p2p2/2P5/2Bp1qP1/P3bP1P/4R1K1 b - - acd 9; acs 0; bm Qh1+; c0 "level: easy-1"; c3 "Qh1+"; ce 32760; dm 4; id "MG 0199"; pm Qh1+; pv Qh1+ Kxh1 Bf3+ Kg1 Rxe1+ Bxe1 Rxe1#; 
4rr1k/q2n3p/b1p2pp1/p1n1p3/Pp2P3/1B1PBR1Q/1PPN2PP/R5K1 w - - acd 9; acs 0; bm Qxh7+; c0 "level: easy-2"; c3 "Qxh7+"; ce 32760; dm 4; id "MG 1629"; pm Qxh7+; pv Qxh7+ Kxh7 Rh3+ Kg7 Bh6+ Kh7 Bxf8#; 
4rrk1/2p2ppp/p2b4/1p1P4/3P2nq/2P4P/PPQ1RPP1/RNB3K1 b - - acd 9; acs 0; bm Qxf2+; c0 "level: easy-1"; c3 "Qxf2+"; c4 "(Krogius_EofCM) #1113 black_wins"; ce 32760; dm 4; id "ECM.175"; pm Qxf2+; pv Qxf2+ Rxf2 Re1+ Rf1 Bh2+ Kh1 Rxf1#; 
5k2/p3Npp1/4p2p/2Q5/P3P3/6Pb/1r1q1P1P/2R3K1 w - - acd 9; acs 0; bm Nf5+; c0 "level: easy-1"; c3 "Nf5+"; ce 32760; dm 4; id "MG 0629"; pm Nf5+; pv Nf5+ Kg8 Qf8+ Kxf8 Rc8+ Qd8 Rxd8#;
Last edited by Dann Corbit on Sat Aug 08, 2015 12:19 am, edited 1 time in total.
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Dann Corbit
Posts: 12838
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: BWTC some of the harder problems are buggy

Post by Dann Corbit »

Code: Select all

5k2/p6p/1p1r3r/4bpp1/2P1p3/1P3bPP/P4PNK/3BRR2 b - - acd 9; acs 0; bm Rxh3+; c0 "level: easy-1"; c3 "Rxh3+"; ce 32760; dm 4; id "MG 0312"; pm Rxh3+; pv Rxh3+ Kxh3 Rh6+ Nh4 Rxh4+ gxh4 g4#; 
5kr1/R6p/5b2/4n3/3N2Pq/2P4P/3Q3K/5R2 w - - acd 9; acs 0; bm Ne6+; c0 "level: easy-1"; c3 "Ne6+"; ce 32760; dm 4; id "MG 0160"; pm Ne6+; pv Ne6+ Ke8 Qd8+ Bxd8 Rf8+ Rxf8 Ng7#; 
5r1k/1p1b2pp/3N3q/4P3/pPQ1P3/6P1/P6P/2R3K1 w - - acd 9; acs 0; bm Nf7+; c0 "level: easy-1"; c3 "Nf7+"; ce 32760; dm 4; id "MG 0065"; pm Nf7+; pv Nf7+ Rxf7 Qc8+ Be8 Qxe8+ Rf8 Qxf8#; 
5r1k/6p1/5pPp/2pBpP1P/p2nP3/q7/3Q4/6RK w - - acd 9; acs 0; bm Qxh6+; c0 "level: med-3"; c3 "Qxh6+"; c4 "Reinfeld.626.1001"; ce 32760; dm 4; id "WCSAC.0626"; pm Qxh6+; pv Qxh6+ gxh6 g7+ Kh7 gxf8=N+ Kh8 Rg8#; 
5r1k/pp5p/2p2n2/5N2/4qP2/2Q5/1PP4K/3R4 w - - acd 9; acs 0; bm Qxf6+; c0 "level: easy-1"; c3 "Qxf6+"; c4 "Reinfeld.678.1001"; ce 32760; dm 4; id "WCSAC.0678"; pm Qxf6+; pv Qxf6+ Rxf6 Rd8+ Qe8 Rxe8+ Rf8 Rxf8#; 
5R2/1n4kp/1p1p1pp1/3P4/1PP2P1q/r3Q2B/8/4R1K1 w - - acd 9; acs 0; bm Qe7+; c0 "level: easy-1"; c3 "Qe7+"; ce 32760; dm 4; id "MG 0049"; pm Qe7+; pv Qe7+ Kh6 Qxh7+ Kxh7 Re7+ Kh6 Rh8#; 
5rk1/2p2ppp/p1PB4/1p6/6n1/5pRq/PPB1rP1P/RQ3N1K b - - acd 9; acs 0; bm Nxf2+; c0 "level: easy-1"; c3 "Nxf2+"; ce 32760; dm 4; id "MG 0212"; pm Nxf2+; pv Nxf2+ Kg1 Qg2+ Rxg2 Nh3+ Kh1 fxg2#; 
5rk1/2R2ppp/ppb4r/3pP3/1P2P3/P2q2P1/1B3Q1P/5RK1 w - - acd 9; acs 0; bm Qxf7+; c0 "White Mates in 4. George Thomas vs Frank Marshall, Hamburg, 1930"; c2 "Source: wtharvey.com"; c3 "Qxf7+"; ce 32760; dm 4; id "wtharvey.com.05925"; pm Qxf7+; pv Qxf7+ Rxf7 Rc8+ Be8 Rxe8+ Rf8 Rfxf8#; 
5rk1/p2q3p/1pR5/1P1p1np1/3Pp3/4PbP1/PB4NP/6QK b - - acd 9; acs 0; bm Nxg3+; c0 "level: easy-1"; c3 "Nxg3+"; ce 32760; dm 4; id "MG 0470"; pm Nxg3+; pv Nxg3+ hxg3 Qh3+ Qh2 Bxg2+ Kg1 Rf1#; 
5rk1/R3Q2p/2p3r1/3p2bq/3P2p1/3P4/P1R2PB1/6K1 w - - acd 9; acs 0; bm Bxd5+; c0 "level: easy-1"; c3 "Bxd5+"; ce 32760; dm 4; id "MG 0402"; pm Bxd5+; pv Bxd5+ Rf7 Qxf7+ Kh8 Qf8+ Rg8 Qxg8#; 
6k1/2pb1r1p/3p1PpQ/p1nPp3/1q2P3/2N2P2/PrB5/2K3RR w - - acd 9; acs 0; bm Qxg6+; c3 "Qxg6+"; c4 "WinAtChess.103"; ce 32760; dm 4; id "WAC.103"; pm Qxg6+; pv Qxg6+ hxg6 Rxg6+ Rg7 Rxg7+ Kf8 Rh8#; 
6k1/p5p1/1p1p1nN1/1B1P4/4PK2/8/2r3b1/7R w - - acd 9; acs 0; bm Rh8+; c0 "level: med-3"; c3 "Rh8+"; c4 "(Krogius_EofCM) #1101 white_wins"; ce 32760; dm 4; id "ECM.163"; pm Rh8+; pv Rh8+ Kf7 Be8+ Nxe8 Kg5 b5 Rf8#; 
6k1/pp3ppp/8/3b4/4N3/2Q5/PP1r1qPP/6RK b - - acd 9; acs 0; bm Qxg2+; c0 "level: easy-1"; c3 "Qxg2+"; ce 32760; dm 4; id "MG 0187"; pm Qxg2+; pv Qxg2+ Rxg2 Rd1+ Rg1 Bxe4+ Qf3 Bxf3#; 
6k1/ppqr1pp1/2p3b1/6Q1/2P4P/1PB1R3/P4PP1/6K1 w - - acd 9; acs 0; bm Re8+; c0 "level: easy-1"; c3 "Re8+"; ce 32760; dm 4; id "MG 0357"; pm Re8+; pv Re8+ Kh7 Rh8+ Kxh8 Qh6+ Bh7 Qxg7#; 
6k1/pr3ppp/1p3qn1/5NQ1/2p5/8/P4PPP/4R1K1 w - - acd 9; acs 0; bm Re8+; c0 "level: easy-1"; c3 "Re8+"; c4 "(Krogius_EofCM) #1104 white_wins"; ce 32760; dm 4; pm Re8+; pv Re8+ Nf8 Nh6+ Qxh6 Rxf8+ Kxf8 Qd8#; 
7k/1p4pp/P7/2b5/P4n1N/1Q3P1q/R4P1P/4r1RK b - - acd 9; acs 0; bm Qf1; c0 "level: easy-1"; c3 "Qf1"; c4 "Reinfeld.753.1001"; ce 32760; dm 4; id "WCSAC.0753"; pm Qf1; pv Qf1 Ng6+ hxg6 Qg8+ Kxg8 h3 Qxg1#; 
7Q/2p1k1pp/1b1p1n2/pP2p2q/P1B1Pn2/B1P2bP1/R2N1P1P/4R1K1 b - - acd 9; acs 0; bm Qxh2+; c0 "level: easy-1"; c3 "Qxh2+"; c4 "Reinfeld.749.1001"; ce 32760; dm 4; id "WCSAC.0749"; pm Qxh2+; pv Qxh2+ Kxh2 Ng4+ Kg1 Nh3+ Kf1 Nh2#; 
7r/p2b4/2pp2k1/1pb1p3/4Pr2/P1PP1PN1/BP5P/3R1R1K b - - acd 9; acs 0; bm Rxh2+; c0 "level: easy-1"; c3 "Rxh2+"; ce 32760; dm 4; id "MG 0310"; pm Rxh2+; pv Rxh2+ Kxh2 Rh4+ Kg2 Bh3+ Kh2 Bxf1#; 
7R/r1p1q1pp/3k4/1p1n1Q2/3N4/8/1PP2PPP/2B3K1 w - - acd 9; acs 0; bm Rd8+; c0 "Paul Keres vs Pomar Salamanca, Madrid, 1943"; c2 "Source: wtharvey.com"; c3 "Rd8+"; ce 32760; dm 4; id "wtharvey.com.06860"; pm Rd8+; pv Rd8+ Qd7 Rxd7+ Kc5 Qxd5+ Kb4 Qxb5#; 
8/8/8/6pp/6pk/1R6/6KP/8 w - - acd 9; acs 0; bm Rh3+; c0 "level: easy-2"; c3 "Rh3+"; c4 "Reinfeld.864.1001"; ce 32760; dm 4; id "WCSAC.0864"; pm Rh3+; pv Rh3+ gxh3+ Kf3 g4+ Kf4 g3 hxg3#; 
b1r4r/4Qpk1/5Np1/1ppPP3/p5P1/P2R3R/1q3PK1/8 w - - acd 9; acs 0; bm Ne8+; c0 "level: easy-1"; c3 "Ne8+"; ce 32760; dm 4; id "MG 0411"; pm Ne8+; pv Ne8+ Kg8 Rxh8+ Kxh8 Qf8+ Kh7 Nf6#; 
k5r1/p4b2/2P5/5p2/3P1P2/4QBrq/P5P1/4R1K1 w - - acd 9; acs 0; bm Qe8+; c0 "level: easy-1"; c3 "Qe8+"; c4 "WinAtChess.253"; ce 32760; dm 4; id "MG 0650"; pm Qe8+; pv Qe8+ Rxe8 Rxe8+ Bxe8 c7+ Bc6 c8=Q#; 
kr6/1p2Rp2/pn4p1/1N5p/8/3Q2P1/PPP2q1P/1K5R w - - acd 9; acs 0; bm Nc7+; c0 "level: easy-1"; c3 "Nc7+"; ce 32760; dm 4; id "MG 0639"; pm Nc7+; pv Nc7+ Ka7 Qxa6+ bxa6 Nb5+ Ka8 Ra7#; 
N5nr/pp1k1ppp/2pp4/2b1p3/2BnPP1q/3P1P2/PPPK3P/R1BQ3R b - - acd 9; acs 0; bm Bb4+; c0 "level: easy-2"; c3 "Bb4+"; ce 32760; dm 4; id "MG 1659"; pm Bb4+; pv Bb4+ Ke3 exf4+ Kxd4 c5+ Kd5 Nf6#; 
r1b1k1nr/pp3pbp/n5p1/1p1N4/4P1BQ/8/q1PB1PPP/3R1RK1 w kq - acd 9; acs 0; bm Nc7+; c0 "level: med-3"; c3 "Nc7+"; ce 32760; dm 4; id "MG 1968"; pm Nc7+; pv Nc7+ Nxc7 Qd8+ Kxd8 Bg5+ Ke8 Rd8#; 
r1b1k2r/p1ppb2p/2n3N1/6pQ/2p5/8/PP3PPP/6K1 w kq - acd 9; acs 0; bm Ne5+ Nxh8+; c3 "Ne5+ Nxh8+"; ce 32760; dm 4; id "BWTC.0856"; pm Nxh8+; pv Nxh8+ Kd8 Nf7+ Ke8 Nd6+ Kf8 Qf7#; 
r1b1qrk1/2pp1ppp/pb1n1Bn1/1p6/3PPQN1/1BP5/PP3PPP/RN3RK1 w - - acd 9; acs 0; bm Qh6; c0 "level: easy-1"; c3 "Qh6"; c4 "Reinfeld.703.1001"; ce 32760; dm 4; id "WCSAC.0703"; pm Qh6; pv Qh6 Nf5 exf5 gxf6 Nxf6+ Kh8 Qxh7#; 
r1b1Rn1k/1pbqNrp1/p6p/2Bp4/1P5Q/P5P1/5P1P/1B4K1 w - - acd 9; acs 0; bm Qxh6+ Rxf8+; c3 "Qxh6+ Rxf8+"; ce 32760; dm 4; id "yacpdb id 310744"; pm Qxh6+; pv Qxh6+ gxh6 Bd4+ Be5 Bxe5+ Rg7 Rxf8#; 
r1b2r2/ppp1qp2/7Q/2b1p3/2B1k1P1/7P/PP3P2/R4RK1 w - - acd 9; acs 0; bm Rfe1+; c0 "level: easy-1"; c3 "Rfe1+"; ce 32760; dm 4; id "MG 0491"; pm Rfe1+; pv Rfe1+ Kd4 Qe3+ Kxc4 Qb3+ Kd4 Rad1#; 
r1b2rk1/pp1p1pp1/1b1p2B1/n1qQ2p1/8/5N2/P3RPPP/4R1K1 w - - acd 9; acs 0; bm Qxf7+; c0 "level: easy-1"; c3 "Qxf7+"; ce 32760; dm 4; id "MG 0026"; pm Qxf7+; pv Qxf7+ Rxf7 Re8+ Rf8 Rxf8+ Kxf8 Re8#; 
r1b2rk1/pp1p1ppp/1qn5/2b1N3/2B5/2n2Q2/PPP2PPP/RN3RK1 w - - acd 9; acs 0; bm Bxf7+; c0 "level: easy-1"; c3 "Bxf7+"; ce 32760; dm 4; id "MG 0405"; pm Bxf7+; pv Bxf7+ Rxf7 Qxf7+ Kh8 Qe8+ Bf8 Qxf8#; 
r1b3k1/ppp3pp/3b4/2Ppr3/3Pn2q/5B2/PPPN2PP/R1BQ1RK1 b - - acd 9; acs 0; bm Qxh2+; c0 "level: easy-1"; c3 "Qxh2+"; ce 32760; dm 4; id "MG 0662"; pm Qxh2+; pv Qxh2+ Kxh2 Rh5+ Kg1 Bh2+ Kh1 Ng3#; 
r1b4k/ppp1Q1Rp/1n1q1np1/8/2BP4/P7/1PP2PPP/R1B3K1 w - - acd 9; acs 0; bm Qe8+ Qxf6; c3 "Qe8+ Qxf6"; c4 "Reinfeld.954.1001"; ce 32760; dm 4; id "WCSAC.0954"; pm Qxf6; pv Qxf6 Nxc4 Qf7 Qxh2+ Kxh2 h6 Rg8#; 
r1bn4/ppp1qp1k/3p1p1p/2b1pP1Q/2B1P2B/2PP3R/PP4rP/R3K3 w Q - acd 9; acs 0; bm Qxh6+; c0 "level: easy-1"; c3 "Qxh6+"; ce 32760; dm 4; id "MG 0091"; pm Qxh6+; pv Qxh6+ Kg8 Qh8+ Kxh8 Bxf6+ Kg8 Rh8#; 
r1bq3r/ppp2pkp/2nb4/7Q/2pp4/2P5/PP3PPP/RNB1R1K1 w - - acd 9; acs 0; bm Bh6+; c0 "level: easy-1"; c3 "Bh6+"; ce 32760; dm 4; id "MG 0387"; pm Bh6+; pv Bh6+ Kg8 Re8+ Bf8 Qg5+ Qxg5 Rxf8#; 
r1bq3r/pppp2p1/4k2p/4P2Q/7P/8/PPP3P1/RN3RK1 w - - acd 9; acs 0; bm Qf7+; c0 "level: easy-1"; c3 "Qf7+"; ce 32760; dm 4; id "MG 0519"; pm Qf7+; pv Qf7+ Kxe5 Rf5+ Ke4 Qd5+ Ke3 Qd3#; 
r1bqk2r/ppp2ppp/2n5/2bp1P2/4n3/2N2N1P/PPPP2P1/R1BQKB1R b KQkq - acd 9; acs 0; bm Qh4+; c0 "level: easy-2"; c3 "Qh4+"; ce 32760; dm 4; id "OP 0058"; pm Qh4+; pv Qh4+ g3 Qxg3+ Ke2 Qf2+ Kd3 Nb4#; 
r1k1q3/pp1b2R1/5Q2/3NPp2/3P1p2/5P2/PP5P/2K5 w - - acd 9; acs 0; bm Qd6; c0 "level: easy-1"; c3 "Qd6"; c4 "Reinfeld.900.1001"; ce 32760; dm 4; id "WCSAC.0900"; pm Qd6; pv Qd6 Qd8 Rg8 Be8 Rxe8 b6 Qc7#; 
r1q2rk1/pp5p/n1pb1p2/3p1Pp1/B2Pb1P1/2P1B2P/PP2QN2/R4RK1 b - - acd 9; acs 0; bm Bh2+; c0 "level: easy-1"; c3 "Bh2+"; ce 32760; dm 4; id "MG 0446"; pm Bh2+; pv Bh2+ Kxh2 Qb8+ Bf4 Qxf4+ Kg1 Qg3#; 
r1q3kr/pbpnQ2p/1p3n2/8/3P4/3B4/PPP2PPP/R1B1K2R w KQ - acd 9; acs 0; bm Bc4+; c0 "level: easy-1"; c3 "Bc4+"; ce 32760; dm 4; id "MG 0554"; pm Bc4+; pv Bc4+ Bd5 Bxd5+ Nxd5 Qe6+ Kf8 Bh6#; 
r1r4k/pp2P1bp/2n1B3/4N3/3p2pP/6n1/PPP3P1/R1B1K2R w KQ - acd 9; acs 0; bm Nf7+; c0 "level: easy-1"; c3 "Nf7+"; ce 32760; dm 4; id "MG 0673"; pm Nf7+; pv Nf7+ Kg8 Nd8+ Kh8 e8=Q+ Bf8 Qxf8#; 
r2q1rk1/pbp3pp/1p1b4/3N1p2/2B5/P3PPn1/1P3P1P/2RQK2R w K - acd 9; acs 0; bm Ne7+; c0 "level: easy-1"; c3 "Ne7+"; c4 "Reinfeld.402.1001 dblch"; ce 32760; dm 4; id "WCSAC.0402"; pm Ne7+; pv Ne7+ Kh8 Ng6+ hxg6 hxg3+ Qh4 Rxh4#; 
r2q2rk/ppp2p1p/3b1pn1/5R1Q/3P4/2P4N/PP4PP/R1B3K1 w - - acd 9; acs 0; bm Qxh7+; c0 "Anthony Santasiere vs EB Adams, New York, 1926"; c2 "Source: wtharvey.com"; c3 "Qxh7+"; c4 "POL-UNK {The unknown Polgar}"; ce 32760; dm 4; id "wtharvey.com.09917"; pm Qxh7+; pv Qxh7+ Kxh7 Rh5+ Kg7 Bh6+ Kh7 Bf8#; 
r2qkr2/pp3pQp/3P4/1b1p4/1P6/P7/1B3PPP/2R3K1 w q - acd 9; acs 0; bm Qe5+; c0 "level: easy-1"; c3 "Qe5+"; ce 32760; dm 4; id "MG 0522"; pm Qe5+; pv Qe5+ Kd7 Rc7+ Qxc7 Qe7+ Kc6 Qxc7#; 
r2qr3/1bpn1pk1/pp2p1p1/4P3/4N3/3B1Q2/PPP2PP1/1K1R3R w - - acd 9; acs 0; bm Rh7+; c0 "level: easy-1"; c3 "Rh7+"; c4 "Reinfeld.935.1001"; ce 32760; dm 4; id "WCSAC.0935"; pm Rh7+; pv Rh7+ Kxh7 Qxf7+ Kh8 Rh1+ Qh4 Rxh4#; 
r2qr3/p1p2pk1/4p2p/2p1P1p1/3P4/2PQ2P1/P5PP/R4RK1 w - - acd 9; acs 0; bm Rxf7+; c0 "level: easy-1"; c3 "Rxf7+"; ce 32760; dm 4; id "MG 0400"; pm Rxf7+; pv Rxf7+ Kxf7 Qh7+ Kf8 Rf1+ Qf6 Rxf6#; 
r2rb1k1/pp1q1p1p/2n1p1p1/2bp4/5P2/PP1BPR1Q/1BPN2PP/R5K1 w - - acd 9; acs 0; bm Qxh7+; c0 "level: easy-1"; c3 "Qxh7+"; c4 "WinAtChess.014"; ce 32760; dm 4; id "MG 0092"; pm Qxh7+; pv Qxh7+ Kf8 Bf6 Bxe3+ Rxe3 g5 Qh8#; 
r3k2r/pbpp2p1/1p1bpq2/5p1p/2PP2nN/4P1P1/PP2BP1P/RNBQ1RK1 b kq - acd 9; acs 0; bm Qxh4; c0 "level: easy-1"; c3 "Qxh4"; ce 32760; dm 4; id "MG 0677"; pm Qxh4; pv Qxh4 Bxg4 Qxh2+ Kxh2 hxg4+ Kg1 Rh1#; 
r3k2r/qb3p2/p2Rp3/1p2n3/1Bp1B3/7p/4Q1PP/3R3K w kq - acd 9; acs 0; bm Rxe6+; c0 "level: easy-1"; c3 "Rxe6+"; ce 32760; dm 4; id "MG 0517"; pm Rxe6+; pv Rxe6+ fxe6 Bg6+ Nxg6 Qxe6+ Ne7 Qxe7#; 
r3k3/pQ3p1p/2p1b1q1/8/2pb4/8/PP3P1P/RQB2R1K b q - acd 9; acs 0; bm Bd5+; c0 "level: easy-1"; c3 "Bd5+"; ce 32760; dm 4; id "MG 0579"; pm Bd5+; pv Bd5+ Qe4+ Qxe4+ f3 Qxf3+ Rxf3 Bxf3#; 
r3r1k1/pbqpnpp1/1p1bp3/4n1NQ/1P2N3/2P4P/P4PP1/R1B2RK1 w - - acd 9; acs 0; bm Nf6+; c0 "level: easy-2"; c3 "Nf6+"; ce 32760; dm 4; id "MG 1642"; pm Nf6+; pv Nf6+ gxf6 Qh7+ Kf8 Nxe6+ dxe6 Bh6#; 
r3r1k1/pp1q1pp1/4b1p1/3p2B1/3Q1R2/8/PPP3PP/4R1K1 w - - acd 9; acs 0; bm Qxg7+; c0 "level: med-6"; c3 "Qxg7+"; c4 "WinAtChess.055"; ce 32760; dm 4; id "MG 2550"; pm Qxg7+; pv Qxg7+ Kxg7 Bf6+ Kh7 Rh4+ Kg8 Rh8#; 
r3r2k/2R3pp/pp1q1p2/8/3P3R/7P/PP3PP1/3Q2K1 w - - acd 9; acs 0; bm Rxh7+; c0 "level: easy-1"; c3 "Rxh7+"; c4 "WinAtChess.035"; ce 32760; dm 4; id "MG 0342"; pm Rxh7+; pv Rxh7+ Kxh7 Qh5+ Kg8 Qf7+ Kh8 Qxg7#; 
r3r2k/pb4p1/1p3n1p/2b5/2B2N2/2P5/PPQ3PP/4qR1K w - - acd 9; acs 0; bm Ng6+; c0 "level: easy-1"; c3 "Ng6+"; ce 32760; dm 4; id "MG 0649"; pm Ng6+; pv Ng6+ Kh7 Nf8+ Kh8 Qh7+ Nxh7 Ng6#; 
r4k1r/1q3p1p/p1N2p2/1pp5/8/1PPP4/1P3PPP/R1B1R1K1 w - - acd 9; acs 0; bm Bh6+; c0 "level: easy-1"; c3 "Bh6+"; ce 32760; dm 4; id "MG 0262"; pm Bh6+; pv Bh6+ Kg8 Re3 Qc7 Ne7+ Qxe7 Rg3#; 
r4k1r/pp1n2bp/2p1Q3/6B1/3q2pP/2N5/PPP3P1/R6K w - - acd 9; acs 0; bm Be7+; c0 "level: easy-1"; c3 "Be7+"; ce 32760; dm 4; id "MG 0501"; pm Be7+; pv Be7+ Ke8 Bf6+ Kf8 Qe7+ Kg8 Qxg7#; 
r4knr/ppp2ppp/1b4n1/qB2N1B1/4N3/2P5/PP2b1PP/3RK2R w K - acd 9; acs 0; bm Nd7+; c0 "level: easy-1"; c3 "Nd7+"; ce 32760; dm 4; id "MG 0267"; pm Nd7+; pv Nd7+ Ke8 Nb8+ c6 Nd6+ Kf8 Nd7#; 
r4r1k/5ppp/8/8/5N2/1Bb5/2P5/1KR4R w - - acd 9; acs 0; bm Ng6+; c0 "level: easy-1"; c3 "Ng6+"; ce 32760; dm 4; id "MG 0280"; pm Ng6+; pv Ng6+ Kg8 Ne7+ Kh8 Rxh7+ Kxh7 Rh1#; 
r4r1k/pp4pp/n1p5/4P3/2q3PN/2P5/P7/2K2R1R w - - acd 9; acs 0; bm Ng6+; c0 "level: easy-1"; c3 "Ng6+"; ce 32760; dm 4; id "MG 0264"; pm Ng6+; pv Ng6+ Kg8 Ne7+ Kh8 Rxh7+ Kxh7 Rh1#; 
r4rk1/1b3pp1/pnpqp2p/1pnp4/3P3B/2PB1N2/PP3P1P/1K4RR w - - acd 9; acs 0; bm Rxg7+; c0 "level: easy-1"; c3 "Rxg7+"; ce 32760; dm 4; id "MG 0228"; pm Rxg7+; pv Rxg7+ Kh8 Rh7+ Kg8 Rg1+ Qg3 Rxg3#; 
r4rk1/pp3ppp/2n5/3BP2Q/5R2/4p3/PqP3PP/R6K w - - acd 9; acs 0; bm Bxf7+; c0 "level: easy-1"; c3 "Bxf7+"; ce 32760; dm 4; pm Bxf7+; pv Bxf7+ Rxf7 Qxf7+ Kh8 Qf8+ Rxf8 Rxf8#; 
r5k1/1pQ2bpp/p1n1Rp2/3B4/1q6/6BP/PP3PP1/6K1 w - - acd 9; acs 0; bm Re8+; c0 "level: easy-1"; c3 "Re8+"; c4 "Reinfeld.447.1001"; ce 32760; dm 4; id "WCSAC.0447"; pm Re8+; pv Re8+ Rxe8 Qxf7+ Kh8 Qxe8+ Qf8 Qxf8#; 
r5k1/ppp2ppp/8/3P4/3NP3/1P2PKbb/PB2Q1Pq/R4R2 b - - acd 9; acs 0; bm Bg4+; c0 "level: med-5"; c3 "Bg4+"; ce 32760; dm 4; id "MG 2381"; pm Bg4+; pv Bg4+ Kxg4 h5+ Kg5 Qh4+ Kf5 g6#; 
r6r/pp3ppp/3k1b2/2pb4/B4Pq1/2P1Q3/P5PP/1RBR2K1 w - - acd 9; acs 0; bm Qxc5+; c0 "level: med-4"; c3 "Qxc5+"; c4 "WinAtChess.244"; ce 32760; dm 4; id "MG 2182"; pm Qxc5+; pv Qxc5+ Kxc5 Ba3+ Kc4 Bb5+ Kxc3 Rbc1#; 
r7/pp1bpkn1/3p1rpQ/2pPq3/2P1P2R/2N5/PP2B1P1/2K4R w - - acd 9; acs 0; bm Qxg7+; c0 "level: easy-1"; c3 "Qxg7+"; ce 32760; dm 4; id "MG 0078"; pm Qxg7+; pv Qxg7+ Kxg7 Rh7+ Kg8 Rh8+ Kg7 R1h7#; 
rk5r/ppp1bq1p/2n5/2N3B1/6Q1/8/PPP2PPP/R5K1 w - - acd 9; acs 0; bm Nd7+; c0 "level: easy-1"; c3 "Nd7+"; c4 "Reinfeld.802.1001"; ce 32760; dm 4; id "WCSAC.0802"; pm Nd7+; pv Nd7+ Kc8 Nb6+ Kb8 Qc8+ Rxc8 Nd7#; 
rn1q1r1k/p2pNppp/bp1Q4/2p1PN2/2B5/P1R5/5PPP/5RK1 w - - acd 9; acs 0; bm Qg6; c3 "Qg6"; c4 "Reinfeld.740.1001"; ce 32760; dm 4; pm Qg6; pv Qg6 fxg6 Nxg6+ hxg6 Rh3+ Qh4 Rxh4#; 
rnb3Br/p1p4p/6p1/kp2b3/2Q1p3/4B3/P1PNKPPP/q6R w - - acd 9; acs 0; bm Nb3+; c0 "level: easy-1"; c3 "Nb3+"; ce 32760; dm 4; id "MG 0128"; pm Nb3+; pv Nb3+ Ka6 Qa4+ bxa4 Bc4+ Kb7 Na5#; 
rnb3kr/ppp2ppp/1b6/3q4/3pN3/Q4N2/PPP2KPP/R1B1R3 w - - acd 9; acs 0; bm Nf6+; c0 "Richardson vs Eugene Delmar, New York, 1887"; c2 "Source: wtharvey.com"; c3 "Nf6+"; c4 "(got a !? but game-theor optimal) (Krogius_EofCM) #1431 white_wins"; ce 32760; dm 4; id "ECM.493"; pm Nf6+; pv Nf6+ gxf6 Qf8+ Kxf8 Bh6+ Kg8 Re8#; 
rnbq1rk1/pp2bp1p/4p1p1/2pp2Nn/5P1P/1P1BP3/PBPP2P1/R2QK2R w KQ - acd 9; acs 0; bm Qxh5; c0 "level: easy-1"; c3 "Qxh5"; ce 32760; dm 4; id "OP 0008"; pm Qxh5; pv Qxh5 Bxg5 Qxh7+ Kxh7 hxg5+ Kg8 Rh8#; 
rnbqr2k/pppp1Qpp/8/b2NN3/2B1n3/8/PPPP1PPP/R1B1K2R w KQ - acd 9; acs 0; bm Qg8+; c0 "level: easy-2"; c3 "Qg8+"; c4 "WinAtChess.263"; ce 32760; dm 4; id "OP 0059"; pm Qg8+; pv Qg8+ Kxg8 Ne7+ Kf8 N5g6+ hxg6 Nxg6#; 
1bkr3r/pp1n1ppp/2q1pnb1/1N6/2BP1B2/5Q2/PPP3PP/4RR1K w - - acd 7; acs 0; bm Nxa7+; c0 "level: easy-1"; c3 "Nxa7+"; c4 "POL-3779 Mate in three"; ce 32762; dm 3; id "Leonid.198430"; pm Nxa7+; pv Nxa7+ Bxa7 Qxc6+ bxc6 Ba6#; 
1k1r4/ppp2ppp/8/1Q2P3/8/b1q4B/PRP4P/2K4R b - - acd 7; acs 0; bm Qd2+; c0 "level: easy-1"; c3 "Qd2+"; c4 "POL-4290 Mate in three"; ce 32762; dm 3; id "Leonid.199030"; pm Qd2+; pv Qd2+ Kb1 Qd1+ Rxd1 Rxd1#; 
1k4r1/1p3b2/p4P2/5n2/8/8/4Q1PP/4N1RK b - - acd 7; acs 0; bm Ng3+; c0 "level: easy-1"; c3 "Ng3+"; ce 32762; dm 3; id "MG 0327"; pm Ng3+; pv Ng3+ hxg3 Rh8+ Qh5 Rxh5#; 
1k5r/pp3npp/3rp3/1R1pq1P1/QP1N1p1P/P3B3/5P2/4KBR1 w - - acd 7; acs 0; bm Qxa7+; c0 "level: easy-1"; c3 "Qxa7+"; ce 32762; dm 3; id "Leonid.200264"; pm Qxa7+; pv Qxa7+ Kc8 Qa8+ Kc7 Rxb7#; 
1k6/1Pb5/K1P4p/B5p1/6P1/5p1P/4p3/8 w - - acd 7; acs 0; bm Bb6; c0 "level: easy-1"; c3 "Bb6"; c4 "Reinfeld.781.1001"; ce 32762; dm 3; id "Leonid.200496"; pm Bb6; pv Bb6 Bd8 c7+ Bxc7 Ba7#; 
1Q6/8/7k/3p4/2p3bp/2P1K1n1/1P4P1/5r2 b - - acd 7; acs 0; bm Nf5+; c0 "level: easy-1"; c3 "Nf5+"; c4 "POL-4452 Mate in three"; ce 32762; dm 3; id "EG 0014"; pm Nf5+; pv Nf5+ Kd2 Rd1+ Kc2 Ne3#; 
1r3k1r/p5Rp/p2Np1nB/4p3/6PP/7N/P1PK2b1/8 w - - acd 7; acs 0; bm Rb7+; c0 "level: easy-1"; c3 "Rb7+"; ce 32762; dm 3; id "Leonid.205743"; pm Rb7+; pv Rb7+ Kg8 Rxb8+ Nf8 Rxf8#; 
1r3Q2/p1k5/3p2P1/q2PpB2/1p6/5P2/rPP5/1KR5 w - - acd 7; acs 0; bm Qe7+; c0 "level: easy-1"; c3 "Qe7+"; ce 32762; dm 3; id "Leonid.205856"; pm Qe7+; pv Qe7+ Kb6 Qxd6+ Kb7 Qc6#; 
1r4k1/2p2pp1/p3p2p/Q1PqP3/3P1n2/Pr5P/5PPK/R3NR2 b - - acd 7; acs 0; bm Qxg2+; c0 "level: easy-1"; c3 "Qxg2+"; ce 32762; dm 3; id "MG 0197"; pm Qxg2+; pv Qxg2+ Nxg2 Rxh3+ Kg1 Ne2#; 
1r4k1/2p2ppp/5n2/4b3/1q1n2P1/1P1B3P/N1PB2Q1/2KR3R b - - acd 7; acs 0; bm Ne2+ Nxb3+; c3 "Ne2+ Nxb3+"; ce 32762; dm 3; id "BWTC.0207"; pm Nxb3+; pv Nxb3+ cxb3 Qa3+ Kb1 Qb2#; 
1r4k1/p4p1p/3p1QpP/2nPP1P1/8/7q/PrBR4/K5R1 b - - acd 7; acs 0; bm Rb1+; c0 "level: easy-1"; c3 "Rb1+"; c4 "Reinfeld.989.1001"; ce 32762; dm 3; id "WCSAC.0989"; pm Rb1+; pv Rb1+ Rxb1 Qc3+ Rb2 Qxb2#; 
1R5r/p3pk2/2Qp4/2pPBp2/2q4P/2P2K2/P4P2/7R b - - acd 7; acs 0; bm Qe4+; c0 "level: easy-1"; c3 "Qe4+"; c4 "POL-4394 Mate in three"; ce 32762; dm 3; id "MG 0574"; pm Qe4+; pv Qe4+ Kg3 Qg4+ Kh2 Rxh4#; 
1r6/6pp/5k2/4R1N1/Pr3n2/1P3P2/6PP/3R2K1 w - - acd 7; acs 0; bm Rd6+; c0 "level: easy-1"; c3 "Rd6+"; ce 32762; dm 3; id "Leonid.206260"; pm Rd6+; pv Rd6+ Kxe5 Nf7+ Kf5 g4#; 
2b2r2/1pn3pk/r7/p3N3/2Q2p1N/7R/Pq4PP/5R1K w - - acd 7; acs 0; bm Nf5+ Qe6; c3 "Nf5+ Qe6"; c4 "Reinfeld.604.1001"; ce 32762; dm 3; id "WCSAC.0604"; pm Qe6; pv Qe6 Nxe6 Nf5+ Kg8 Ne7#; 
2br1bnr/pnk1ppp1/BpN2q2/2p4p/1B2Q3/2N5/2PP1PPP/R4RK1 w - - acd 7; acs 0; bm Nb5+; c0 "level: easy-1"; c3 "Nb5+"; ce 32762; dm 3; id "MG 0513"; pm Nb5+; pv Nb5+ Kd7 Nb8+ Ke8 Nc7#; 
2br2r1/qp2b1pQ/p3kp2/2Pp3B/P2P4/3K4/4NP2/3N2R1 w - - acd 7; acs 0; bm Qf5+; c0 "level: easy-1"; c3 "Qf5+"; ce 32762; dm 3; id "Leonid.207821"; pm Qf5+; pv Qf5+ Kxf5 Bf7 g6 Ne3#; 
2k1r3/Qpp4p/8/5b2/5pp1/2P3n1/PP3KP1/RNB5 b - - acd 7; acs 0; bm Re2+; c0 "level: easy-1"; c3 "Re2+"; c4 "POL-4325 Mate in three"; ce 32762; dm 3; id "MG 0332"; pm Re2+; pv Re2+ Kg1 Re1+ Kh2 Rh1#; 
2k4r/1pp3p1/p7/5qp1/BPP1n3/P2p2B1/4nPPP/4QR1K b - - acd 7; acs 0; bm N4xg3+; c0 "level: easy-1"; c3 "N4xg3+"; ce 32762; dm 3; id "MG 0464"; pm N4xg3+; pv N4xg3+ fxg3 Rxh2+ Kxh2 Qh7#; 
2k4r/ppp3p1/3p2q1/3P4/2P1p3/1P6/P3QbNB/R4R1K b - - acd 7; acs 0; bm Rxh2+; c0 "level: easy-1"; c3 "Rxh2+"; c4 "POL-4312 Mate in three"; ce 32762; dm 3; id "MG 0443"; pm Rxh2+; pv Rxh2+ Kxh2 Qg3+ Kh1 Qh3#; 
2k4r/ppr2p2/4p2q/2n1P3/P1P3p1/Q5N1/4RPP1/3R2K1 b - - acd 7; acs 0; bm Qh2+; c0 "level: easy-2"; c3 "Qh2+"; c4 "POL-4285 Mate in three"; ce 32762; dm 3; id "MG 1634"; pm Qh2+; pv Qh2+ Kf1 Qh1+ Nxh1 Rxh1#; 
2k5/ppp5/6p1/4Qb2/1P1K2p1/P7/2q4P/RNB4R b - - acd 7; acs 0; bm Qd3+; c0 "level: easy-1"; c3 "Qd3+"; ce 32762; dm 3; id "MG 0603"; pm Qd3+; pv Qd3+ Kc5 b6+ Kc6 Bd7#; 
2kq2r1/p7/2p5/1pR5/1K1P1p2/1PP2R2/P2r4/5Q2 b - - acd 7; acs 0; bm Qa5+; c0 "level: easy-1"; c3 "Qa5+"; ce 32762; dm 3; id "MG 0169"; pm Qa5+; pv Qa5+ Kxa5 Rxa2+ Kb4 a5#; 
2kr1b1r/pp3ppp/2p5/2n5/P1N1p1b1/2N1PnPP/1P2KP2/R4B1R b - - acd 7; acs 0; bm Nd4+ Rd2+; c3 "Nd4+ Rd2+"; ce 32762; dm 3; id "BWTC.0387"; pm Nd4+; pv Nd4+ Kd2 Ncb3+ Ke1 Nc2#; 
2kr1b1r/pp6/2n1P1p1/3N3p/2BP1BP1/3K1Q2/PPP5/6q1 w - - acd 7; acs 0; bm Nb6+; c0 "level: easy-1"; c3 "Nb6+"; c4 "POL-3793 Mate in three"; ce 32762; dm 3; id "Leonid.209210"; pm Nb6+; pv Nb6+ axb6 Qxc6+ bxc6 Ba6#; 
2kr1b1r/ppp2p2/8/4N3/4n1q1/4P1Np/PPP2PP1/R1Q2RK1 b - - acd 7; acs 0; bm Qxg3; c0 "level: easy-1"; c3 "Qxg3"; ce 32762; dm 3; id "MG 0207"; pm Qxg3; pv Qxg3 fxg3 h2+ Kh1 Nxg3#; 
2kr3r/ppp2ppp/8/2bqP3/3nBBb1/8/PPPN2PP/R3KQ1R b KQ - acd 7; acs 0; bm Qxe4+; c0 "level: easy-1"; c3 "Qxe4+"; ce 32762; dm 3; id "MG 0171"; pm Qxe4+; pv Qxe4+ Be3 Nxc2+ Kf2 Qxe3#; 
2kr4/ppp2ppp/2q5/7n/5n2/7P/PPP2RPN/R3QK2 b - - acd 7; acs 0; bm Ng3+; c0 "level: easy-1"; c3 "Ng3+"; ce 32762; dm 3; id "MG 0219"; pm Ng3+; pv Ng3+ Kg1 Nxh3+ gxh3 Qh1#; 
2Q2n2/2R4p/1p1qpp1k/8/3P3P/3B2P1/5PK1/r7 w - - acd 7; acs 0; bm Qxf8+; c0 "White Mates in 3. Capablanca vs Emanuel Lasker, Havana, 1921"; c2 "Source: wtharvey.com"; c3 "Qxf8+"; c4 "Reinfeld.725.1001"; ce 32762; dm 3; id "WCSAC.0725"; pm Qxf8+; pv Qxf8+ Kh5 Rxh7+ Kg4 f3#; 
2r1b1k1/5r1p/3p1QpB/q2Pp3/1pp1P3/5R1P/P4PP1/4R1K1 w - - acd 7; acs 0; bm Qe7; c0 "level: easy-1"; c3 "Qe7"; c4 "Reinfeld.432.1001"; ce 32762; dm 3; id "Leonid.211836"; pm Qe7; pv Qe7 g5 Qf8+ Rxf8 Rxf8#; 
2r1b3/1pp1qrk1/p1n1P1p1/7R/2B1p3/4Q1P1/PP3PP1/3R2K1 w - - acd 7; acs 0; bm Qh6+; c0 "White Mates in 3. G Bellingham vs A Rutherford, Craigside, 1897"; c2 "Source: wtharvey.com"; c3 "Qh6+"; c4 "WinAtChess.173"; ce 32762; dm 3; id "Leonid.211847"; pm Qh6+; pv Qh6+ Kf6 Rf5+ Kxf5 Qf4#; 
2r1k1qr/ppp5/2n1p1pp/1NQ3B1/2p2R2/8/PP3PPP/3R2K1 w k - acd 7; acs 0; bm Nxc7+ Qxc6+; c3 "Nxc7+ Qxc6+"; ce 32762; dm 3; id "BWTC.0051"; pm Nxc7+; pv Nxc7+ Rxc7 Qxc6+ Rd7 Qxd7#; 
2r1r1k1/p2n1p1p/5pp1/qQ1P1b2/N7/5N2/PP3RPP/3K1B1R b - - acd 7; acs 0; bm Rc1+; c0 "Black Mates in 3. Hakan Marcus vs Gottlieb Machate, Bad Pyrmont, 1949"; c2 "Source: wtharvey.com"; c3 "Rc1+"; c4 "Reinfeld.810.1001"; ce 32762; dm 3; id "WCSAC.0810"; pm Rc1+; pv Rc1+ Kxc1 Re1+ Nxe1 Qxe1#; 
2r1r1n1/1pqnppk1/p2p2p1/P2P4/1PPN4/7R/3QB1PP/5R1K w - - acd 7; acs 0; bm Rxf7+; c0 "level: easy-1"; c3 "Rxf7+"; ce 32762; dm 3; id "Leonid.211960"; pm Rxf7+; pv Rxf7+ Kxf7 Rh7+ Kf8 Ne6#; 
2r1rk2/3q4/p3bBQ1/1p3P1p/8/1P1B3P/P5P1/R5K1 w - - acd 7; acs 0; bm Qh6+; c0 "level: easy-1"; c3 "Qh6+"; ce 32762; dm 3; id "Leonid.211994"; pm Qh6+; pv Qh6+ Kg8 Qh8+ Kf7 Qg7#; 
2r1Rn1k/1p1q2pp/p7/5p2/3P4/1B4P1/P1P1QP1P/6K1 w - - acd 7; acs 0; bm Qc4; c0 "level: easy-1"; c3 "Qc4"; c4 "Reinfeld.423.1001"; ce 32762; dm 3; id "WCSAC.0423"; pm Qc4; pv Qc4 Qf7 Qxf7 h6 Qg8#; 
2r2k1r/pB3pp1/4p3/Q1p1P3/3P4/2P1q1p1/PP3RP1/5RK1 b - - acd 7; acs 0; bm Rh1+; c0 "level: easy-1"; c3 "Rh1+"; ce 32762; dm 3; id "MG 0435"; pm Rh1+; pv Rh1+ Kxh1 Qh6+ Kg1 Qh2#; 
2r2k2/1bq2p1r/p4P2/2p1R2p/Pp6/1B4Q1/1P4PP/4R1K1 w - - acd 7; acs 0; bm Qg8+ Re8+; c1 "Permutation"; c3 "Qg8+ Re8+"; ce 32762; dm 3; id "Leonid.212021"; pm Qg8+ Re8+; pv Re8+ Rxe8 Qg8+ Kxg8 Rxe8#; 
2r2k2/1R3p1p/Q4Pp1/P2R4/8/2p1bPqP/3p2P1/7K w - - acd 7; acs 0; bm Rxf7+; c0 "level: easy-1"; c3 "Rxf7+"; ce 32762; dm 3; id "Leonid.212053"; pm Rxf7+; pv Rxf7+ Kg8 Rg7+ Kh8 Qxc8#; 
2r2q1k/pp2b3/2b1Q2p/3NP3/3pBr1P/8/PP6/2R3RK w - - acd 7; acs 0; bm Rg8+; c0 "level: easy-1"; c3 "Rg8+"; ce 32762; dm 3; id "Leonid.212106"; pm Rg8+; pv Rg8+ Qxg8 Qxh6+ Qh7 Qxh7#; 
2r2r1k/pbq3pB/1p2p2p/3nN3/3P4/2P5/P1Q3PP/2R2RK1 w - - acd 7; acs 0; bm Ng6+; c0 "level: easy-1"; c3 "Ng6+"; ce 32762; dm 3; id "Leonid.212155"; pm Ng6+; pv Ng6+ Kxh7 Nxf8+ Kh8 Qh7#; 
2r2r2/1pqb1p1k/p3pPpp/3pR3/6PP/P2BQ3/1PP2P2/R5K1 w - - acd 7; acs 0; bm Qxh6+; c0 "level: easy-2"; c3 "Qxh6+"; ce 32762; dm 3; id "Leonid.212164"; pm Qxh6+; pv Qxh6+ Kxh6 Rh5+ gxh5 g5#; 
2r4k/5rp1/pb3p1p/npqP1P2/2p1B1RQ/7R/PB4PP/7K w - - acd 7; acs 0; bm Qxh6+; c0 "level: easy-1"; c3 "Qxh6+"; c4 "POL-3953 Mate in three"; ce 32762; dm 3; id "Leonid.212346"; pm Qxh6+; pv Qxh6+ gxh6 Rxh6+ Rh7 Bxf6#; 
2R5/1p1r1ppk/1b4p1/1p1n4/q7/5BP1/P4P1P/B1Q3K1 w - - acd 7; acs 0; bm Rh8+; c0 "level: easy-1"; c3 "Rh8+"; ce 32762; dm 3; id "Leonid.212450"; pm Rh8+; pv Rh8+ Kxh8 Qh6+ Kg8 Qxg7#; 
2rrk3/QR3pp1/2n1b2p/1BB1q3/3P4/8/P4PPP/6K1 w - - acd 7; acs 0; bm Re7+; c0 "White Mates in 3. Joseph Blackburne vs Adolf Schwarz, Vienna, 1873"; c2 "Source: wtharvey.com"; c3 "Re7+"; c4 "POL-4045 Mate in three"; ce 32762; dm 3; id "Leonid.213086"; pm Re7+; pv Re7+ Kf8 Re8+ Kxe8 Qe7#; 
3k4/1Rn3pp/r1P2p2/pp3P2/1P1B4/P6P/6P1/6K1 w - - acd 7; acs 0; bm Rb8+; c0 "level: easy-1"; c3 "Rb8+"; ce 32762; dm 3; id "Leonid.214861"; pm Rb8+; pv Rb8+ Ke7 Bc5+ Kf7 Rf8#; 
3N2b1/Bppn4/1rQ4K/1p1n1R2/N2k4/2pP4/2P2P2/8 w - - acd 7; acs 0; bm Bxb6+ Qe6; c3 "Bxb6+ Qe6"; ce 32762; dm 3; id "yacpdb id 332022"; pm Bxb6+; pv Bxb6+ cxb6 Rxd5+ Bxd5 Qxc3#; 
3N4/pbk2p1p/1p4p1/1Ppn4/1P6/6Pq/P1Q2P1P/2B2RK1 b - - acd 7; acs 0; bm Qg2+; c0 "level: easy-1"; c3 "Qg2+"; ce 32762; dm 3; id "MG 0665"; pm Qg2+; pv Qg2+ Kxg2 Nf4+ Kg1 Nh3#; 
3qkr1R/r2n1p2/p1b1p1p1/1p2P1P1/3p1Q2/2NB4/PPP2PP1/2K4R w - - acd 7; acs 0; bm Qxf7+; c0 "level: easy-1"; c3 "Qxf7+"; ce 32762; dm 3; id "Leonid.218239"; pm Qxf7+; pv Qxf7+ Kxf7 R1h7+ Ke8 Bxg6#; 
3r1r1k/1q2Bppp/p1bpp3/1p3P2/3Q1R2/2n4R/PPP1B1PP/7K w - - acd 7; acs 0; bm Qxg7+; c0 "level: easy-1"; c3 "Qxg7+"; ce 32762; dm 3; id "Leonid.218481"; pm Qxg7+; pv Qxg7+ Kxg7 Rg3+ Kh8 Bf6#; 
3r1rk1/pp2pp1p/2p3pb/2P5/4P3/4nNPb/PP2P2P/R1RNK2B b Q - acd 7; acs 0; bm Rxd1+; c0 "level: easy-1"; c3 "Rxd1+"; ce 32762; dm 3; id "MG 0320"; pm Rxd1+; pv Rxd1+ Rxd1 Nc2+ Kf2 Be3#; 
3r1rk1/pp3ppp/3pn3/1qpN4/5PP1/P5PQ/1PP5/1K1R4 w - - acd 7; acs 0; bm Ne7+; c0 "level: easy-1"; c3 "Ne7+"; ce 32762; dm 3; id "Leonid.218493"; pm Ne7+; pv Ne7+ Kh8 Qxh7+ Kxh7 Rh1#; 
3r2k1/pp3ppp/2n5/2Q1Pb2/1P6/2P1qN2/1B2BbPP/5K1R b - - acd 7; acs 0; bm Rd1+; c0 "level: easy-1"; c3 "Rd1+"; ce 32762; dm 3; id "MG 0575"; pm Rd1+; pv Rd1+ Bxd1 Bd3+ Be2 Bxe2#; 
3r3k/1b2rpp1/p2qpN1p/1p6/4pP1Q/P5R1/1PP3PP/5R1K w - - acd 7; acs 0; bm Qg5; c0 "level: easy-2"; c3 "Qg5"; ce 32762; dm 3; id "Leonid.218641"; pm Qg5; pv Qg5 Rg8 Qxh6+ gxh6 Rxg8#; 
3R4/4k1pp/1r2p3/1p2Q3/5P2/1P4P1/P1q4P/6K1 w - - acd 7; acs 0; bm Qg5+; c0 "level: easy-1"; c3 "Qg5+"; ce 32762; dm 3; id "MG 0540"; pm Qg5+; pv Qg5+ Kf7 Rd7+ Kf8 Qd8#; 
3r4/pp3kpQ/5p1p/3q1b2/1B2N3/8/PP3PPP/4R1K1 w - - acd 7; acs 0; bm Ng5+; c0 "level: easy-1"; c3 "Ng5+"; ce 32762; dm 3; id "Leonid.219085"; pm Ng5+; pv Ng5+ fxg5 Re7+ Kf8 Qxg7#; 
3rk2r/p4ppp/b1p5/2b5/Nq2PPn1/1P6/P1P1N1PP/R1B1QK1R b k - acd 7; acs 0; bm Qxe1+; c0 "level: easy-1"; c3 "Qxe1+"; ce 32762; dm 3; id "MG 0595"; pm Qxe1+; pv Qxe1+ Kxe1 Bf2+ Kf1 Rd1#; 
3rk3/p4b1p/4P2b/3p1P2/q4n1Q/1rB5/2R4P/2R4K w - - acd 7; acs 0; bm Qxd8+; c0 "level: easy-1"; c3 "Qxd8+"; ce 32762; dm 3; id "Leonid.219222"; pm Qxd8+; pv Qxd8+ Kxd8 Bf6+ Ke8 Rc8#; 
3rkb1r/p1Rnpppp/8/8/Q2BP3/3B3P/P1Pq1PP1/5RK1 w k - acd 7; acs 0; bm Qxd7+; c0 "level: easy-1"; c3 "Qxd7+"; ce 32762; dm 3; id "MG 0085"; pm Qxd7+; pv Qxd7+ Rxd7 Rc8+ Rd8 Bb5#; 
3rkb2/1bqn4/1p2pQp1/1p1p4/1P1P4/P7/2P2PPP/R1B2RK1 w - - acd 7; acs 0; bm Qxe6+; c0 "level: easy-1"; c3 "Qxe6+"; ce 32762; dm 3; id "Leonid.219257"; pm Qxe6+; pv Qxe6+ Be7 Qxg6+ Kf8 Bh6#; 
3rr2k/1pqb1Qpp/p7/n2RN3/P7/8/BP3PPP/4R1K1 w - - acd 7; acs 0; bm Ng6+; c0 "level: easy-1"; c3 "Ng6+"; ce 32762; dm 3; id "Leonid.219427"; pm Ng6+; pv Ng6+ hxg6 Rh5+ gxh5 Qxh5#; 
4k3/1p3pp1/p1r1p3/4Pn1p/3N1q2/1P5P/6K1/1Q1RB3 b - - acd 7; acs 0; bm Ne3+; c0 "level: easy-1"; c3 "Ne3+"; ce 32762; dm 3; id "MG 0608"; pm Ne3+; pv Ne3+ Kg1 Qf1+ Kh2 Qg2#; 
4Qrk1/1n4r1/8/P1pPp3/2P2pq1/3B3R/5P1K/8 w - - acd 7; acs 0; bm Rh8+; c0 "level: easy-1"; c3 "Rh8+"; ce 32762; dm 3; id "Leonid.223265"; pm Rh8+; pv Rh8+ Kxh8 Qxf8+ Rg8 Qh6#; 
4r1k1/pp4pp/2p5/3p3n/3P2n1/1PP2R2/P1B3P1/R1B1r1NK b - - acd 7; acs 0; bm Ng3+; c0 "level: easy-1"; c3 "Ng3+"; c4 "POL-4327 Mate in three"; ce 32762; dm 3; id "MG 0319"; pm Ng3+; pv Ng3+ Rxg3 Rxg1+ Kxg1 Re1#; 
4r1k1/Q4p1p/8/4bp1B/8/1P5P/P2q1PP1/3N1K2 b - - acd 7; acs 0; bm Qe1+; c0 "level: easy-1"; c3 "Qe1+"; ce 32762; dm 3; id "MG 0663"; pm Qe1+; pv Qe1+ Kxe1 Bc3+ Kf1 Re1#; 
4R3/1p4rk/6p1/2pQBpP1/p1P1pP2/Pq6/1P6/K7 w - - acd 7; acs 0; bm Bxg7 Qd7; c0 "White Mates in 3. Milan Vidmar Sr vs Saviely Tartakower, London, 1922"; c2 "Source: wtharvey.com"; c3 "Bxg7 Qd7"; ce 32762; dm 3; id "wtharvey.com.04460"; pm Qd7; pv Qd7 Qxa3+ bxa3 e3 Qxg7#; 
4R3/4q1kp/6p1/1Q3b2/1P1b1P2/6KP/8/8 b - - acd 7; acs 0; bm Qh4+; c0 "level: easy-1"; c3 "Qh4+"; c4 "Reinfeld.752.1001"; ce 32762; dm 3; id "WCSAC.0752"; pm Qh4+; pv Qh4+ Kxh4 Bf2+ Kg5 h6#; 
4r3/5r1p/R1p2pp1/1p1bk3/4pNPP/2P1K3/2P2P2/3R4 w - - acd 7; acs 0; bm Rxd5+; c0 "level: easy-2"; c3 "Rxd5+"; c4 "Reinfeld.899.1001"; ce 32762; dm 3; id "Leonid.223780"; pm Rxd5+; pv Rxd5+ cxd5 Nd3+ exd3 f4#; 
4rrk1/p5pp/8/2P3Q1/5nn1/1N6/PP3qBP/2R3RK b - - acd 7; acs 0; bm Qxg1+; c0 "level: easy-1"; c3 "Qxg1+"; ce 32762; dm 3; id "MG 0220"; pm Qxg1+; pv Qxg1+ Kxg1 Ne2+ Kh1 Nf2#; 
4rrk1/p6p/1p6/2p2pp1/Q1P1q3/2BRP2b/PP1R3P/6K1 b - - acd 7; acs 0; bm Qg4+; c0 "level: easy-1"; c3 "Qg4+"; c4 "POL-4336 Mate in three"; ce 32762; dm 3; id "MG 0440"; pm Qg4+; pv Qg4+ Kh1 Qf3+ Rg2 Qxg2#; 
4rrk1/pppb4/7p/3P2pq/2PQ4/6P1/PP3nKP/R3RNN1 b - - acd 7; acs 0; bm Bh3+; c0 "level: easy-1"; c3 "Bh3+"; ce 32762; dm 3; id "MG 0582"; pm Bh3+; pv Bh3+ Nxh3 Qf3+ Kg1 Nxh3#; 
5b2/pp2r1pk/2pp1R1p/4rP1N/2P1P3/1P4Q1/P3q1PP/5R1K w - - acd 7; acs 0; bm Rxh6+; c0 "White Mates in 3. Treybal vs Walter Henneberger, Hague, 1928"; c2 "Source: wtharvey.com"; c3 "Rxh6+"; ce 32762; dm 3; id "wtharvey.com.05439"; pm Rxh6+; pv Rxh6+ gxh6 Nf6+ Kh8 Qg8#; 
5k1r/1pp2p2/3q4/1p1p4/r5Pb/4B3/PPP1N1P1/R2Q1RK1 b - - acd 7; acs 0; bm Qh2+; c0 "level: easy-1"; c3 "Qh2+"; ce 32762; dm 3; id "MG 0657"; pm Qh2+; pv Qh2+ Kxh2 Bf2+ Bh6+ Rxh6#; 
5k2/p4r2/Ppp3r1/8/7p/7K/1P1Qn2P/8 b - - acd 7; acs 0; bm Ng1+; c0 "level: easy-1"; c3 "Ng1+"; c4 "POL-4342 Mate in three"; ce 32762; dm 3; id "MG 0297"; pm Ng1+; pv Ng1+ Kxh4 Rh7+ Qh6+ Rhxh6#; 
5k2/pbQ3pp/1p6/8/2P1r2N/P5Pq/5P2/5RK1 b - - acd 7; acs 0; bm Qh1+; c0 "level: easy-1"; c3 "Qh1+"; ce 32762; dm 3; id "MG 0667"; pm Qh1+; pv Qh1+ Kxh1 Rxh4+ Kg1 Rh1#; 
5r1k/2r2P2/3qbRPp/1p1n4/p2pB3/4p1NP/PP6/6RK w - - acd 7; acs 0; bm g7+; c0 "level: easy-1"; c3 "g7+"; ce 32762; dm 3; id "MG 0245"; pm g7+; pv g7+ Kxg7 Nh5+ Kh8 Rxh6#; 
5r1k/3R3p/5PpN/2n3P1/7K/7P/8/8 w - - acd 7; acs 0; bm Rg7; c0 "level: easy-1"; c3 "Rg7"; ce 32762; dm 3; id "Leonid.227500"; pm Rg7; pv Rg7 Na6 Rg8+ Rxg8 Nf7#; 
5r1k/p5pp/8/1P1pq3/P1p2nR1/Q7/5BPP/6K1 b - - acd 7; acs 0; bm Qe1+; c0 "level: easy-1"; c3 "Qe1+"; c4 "WinAtChess.172"; ce 32762; dm 3; id "MG 0201"; pm Qe1+; pv Qe1+ Bxe1 Ne2+ Kh1 Rf1#; 
5r1k/pp6/8/4b1pp/6p1/1B6/P1q1N2P/4R1KR b - - acd 7; acs 0; bm Bd4+; c0 "level: easy-1"; c3 "Bd4+"; ce 32762; dm 3; id "MG 0587"; pm Bd4+; pv Bd4+ Kg2 Qe4+ Kg3 h4#; 
5r1k/pppq2pp/2n3r1/4p3/4Q3/2P1B2P/PPB4K/R6R b - - acd 7; acs 0; bm Qd2+; c0 "level: easy-1"; c3 "Qd2+"; ce 32762; dm 3; id "MG 0179"; pm Qd2+; pv Qd2+ Bf2 Rxf2+ Qg2 Rgxg2#; 
5r2/2p4k/p7/1p1bR1B1/P5p1/4N3/1P1NnrPP/7K b - - acd 7; acs 0; bm Bxg2+; c0 "level: easy-1"; c3 "Bxg2+"; ce 32762; dm 3; id "MG 0324"; pm Bxg2+; pv Bxg2+ Nxg2 Rf1+ Nxf1 Rxf1#; 
5rk1/2p2ppp/2Np4/3P4/R3Q3/1P5P/1P2nPPK/5q2 w - - acd 7; acs 0; bm Ne7+; c0 "level: easy-1"; c3 "Ne7+"; ce 32762; dm 3; id "MG 0361"; pm Ne7+; pv Ne7+ Kh8 Qxh7+ Kxh7 Rh4#; 
5rk1/2pb1ppp/p2r4/1p1Pp3/4Pn1q/1B1PNP2/PP1Q1P1P/6RK b - - acd 7; acs 0; bm Qxh2+; c0 "level: easy-1"; c3 "Qxh2+"; ce 32762; dm 3; id "MG 0436"; pm Qxh2+; pv Qxh2+ Kxh2 Rh6+ Kg3 Rh3#; 
5rk1/5b1p/6pP/3p4/Bp3Q2/1P3R2/1qr2PP1/4R1K1 w - - acd 7; acs 0; bm Qxf7+; c0 "White Mates in 3. Lilienthal vs Abram Khavin, Moscow, 1944"; c2 "Source: wtharvey.com"; c3 "Qxf7+"; ce 32762; dm 3; id "wtharvey.com.05981"; pm Qxf7+; pv Qxf7+ Rxf7 Re8+ Rf8 Rfxf8#; 
5rk1/5p2/2r4p/3R3Q/3b4/8/q4PPP/5RK1 b - - acd 7; acs 0; bm Qxf2+; c0 "level: easy-1"; c3 "Qxf2+"; ce 32762; dm 3; id "MG 0172"; pm Qxf2+; pv Qxf2+ Rxf2 Rc1+ Qd1 Rxd1#; 
5rk1/n1p1R1bp/p2p4/1qpP1QB1/7P/2P3P1/PP3P2/6K1 w - - acd 7; acs 0; bm Rxg7+; c0 "White Mates in 3. David Przepiorka vs Lajos Steiner, Debrecen, 1925"; c2 "Source: wtharvey.com"; c3 "Rxg7+"; c4 "WinAtChess.158"; ce 32762; dm 3; id "wtharvey.com.06031"; pm Rxg7+; pv Rxg7+ Kxg7 Bh6+ Kg8 Qxf8#; 
5rk1/p2p2bp/1p2p3/6p1/2P2Bn1/1PNQ1PPK/P4q1P/3R4 b - - acd 7; acs 0; bm Qxh2+; c0 "level: easy-1"; c3 "Qxh2+"; ce 32762; dm 3; id "MG 0487"; pm Qxh2+; pv Qxh2+ Kxg4 Rxf4+ gxf4 Qh4#; 
5rk1/p4Npp/1p6/3n1R2/3PR3/8/P4KPP/2r5 w - - acd 7; acs 0; bm Nh6+; c0 "level: easy-1"; c3 "Nh6+"; ce 32762; dm 3; id "MG 0273"; pm Nh6+; pv Nh6+ gxh6 Rg4+ Kh8 Rxf8#; 
5rk1/pbr2pbp/1q2p1pQ/3p4/1P1N4/P2BP3/1B3PPP/5RK1 w - - acd 7; acs 0; bm Qxg7+; c0 "level: easy-1"; c3 "Qxg7+"; ce 32762; dm 3; id "MG 0625"; pm Qxg7+; pv Qxg7+ Kxg7 Nf5+ Kg8 Nh6#; 
5rk1/pp4p1/1b2p2p/8/P3b1Nq/BPr4P/R4P1K/4RQ2 b - - acd 7; acs 0; bm Rxf2+; c0 "level: easy-1"; c3 "Rxf2+"; ce 32762; dm 3; id "MG 0462"; pm Rxf2+; pv Rxf2+ Qg2 Rxg2+ Rxg2 Rxh3#; 
6k1/1Q4p1/6rp/r3qp2/P1P1n3/3p3P/1R3P2/R2B1K2 b - - acd 7; acs 0; bm Nd2+; c0 "level: easy-1"; c3 "Nd2+"; ce 32762; dm 3; id "MG 0186"; pm Nd2+; pv Nd2+ Rxd2 Qe1+ Kxe1 Rg1#; 
6k1/1rb2rpp/b2pNP2/n2P1N2/qp2P3/8/P4P1P/2B1Q1RK w - - acd 7; acs 0; bm Nh6+; c0 "level: easy-1"; c3 "Nh6+"; ce 32762; dm 3; id "MG 0348"; pm Nh6+; pv Nh6+ Kh8 Nxf7+ Kg8 Rxg7#; 
6K1/3r3r/5kn1/5p2/5P2/6N1/8/4R1R1 w - - acd 7; acs 0; bm Nh5+; c0 "level: easy-1"; c3 "Nh5+"; ce 32762; dm 3; id "Leonid.229364"; pm Nh5+; pv Nh5+ Rxh5 Rxg6+ Kxg6 Re6#; 
6k1/4bp1p/p5p1/2p1Q3/Pr3P2/KPN5/2q5/1RB5 b - - acd 7; acs 0; bm Rxb3+; c0 "level: easy-1"; c3 "Rxb3+"; ce 32762; dm 3; id "MG 0590"; pm Rxb3+; pv Rxb3+ Rxb3 c4+ Rb4 Qb3#; 
6k1/5p1p/6p1/8/2pPRqP1/P1P1RBNP/5P1K/r5r1 b - - acd 7; acs 0; bm Rh1+; c0 "level: easy-1"; c3 "Rh1+"; c4 "POL-4411 Mate in three"; ce 32762; dm 3; id "MG 0450"; pm Rh1+; pv Rh1+ Bxh1 Qxf2+ Bg2 Qg1#; 
6k1/p4ppp/8/6K1/3QP3/7q/PPP5/R1B2R2 b - - acd 7; acs 0; bm h6+; c0 "level: easy-1"; c3 "h6+"; c4 "POL-4416 Mate in three"; ce 32762; dm 3; id "MG 0610"; pm h6+; pv h6+ Kf4 g5+ Ke5 Qe6#; 
6k1/pb3ppp/8/1P6/3P4/5pPq/P1NQ4/4R1K1 b - - acd 7; acs 0; bm f2+; c0 "level: easy-1"; c3 "f2+"; c4 "POL-4404 Mate in three"; ce 32762; dm 3; id "MG 0478"; pm f2+; pv f2+ Kxf2 Qg2+ Ke3 Qf3#; 
6k1/pp3ppp/4r3/K1P5/1PQnn2P/P7/R3P1P1/3q1B1R b - - acd 7; acs 0; bm Qa4+ Ra6+; c3 "Qa4+ Ra6+"; ce 32762; dm 3; id "BWTC.0764"; pm Qa4+; pv Qa4+ Kxa4 Nc3+ Qxc3 Ra6#; 
6k1/pppq2pp/8/2bp2r1/8/2N2r1P/PPPR1PPK/4QR2 b - - acd 7; acs 0; bm Qxh3+ Rxg2+; c3 "Qxh3+ Rxg2+"; ce 32762; dm 3; id "BWTC.0266"; pm Rxg2+; pv Rxg2+ Kxg2 Qxh3+ Kg1 Rg3#; 
6kr/1q2r1p1/1p2N1Q1/5p2/1P1p4/6R1/7P/2R3K1 w - - acd 7; acs 0; bm Rc8+; c0 "level: easy-1"; c3 "Rc8+"; c4 "Reinfeld.426.1001"; ce 32762; dm 3; id "Leonid.230202"; pm Rc8+; pv Rc8+ Qxc8 Qxg7+ Rxg7 Rxg7#; 
6nr/pQ4pp/2Bk4/2b5/3r1pbq/2N5/PPP3PP/R1B2K1R b - - acd 7; acs 0; bm Qf2+; c0 "level: easy-2"; c3 "Qf2+"; c4 "POL-4403 Mate in three"; ce 32762; dm 3; id "MG 1667"; pm Qf2+; pv Qf2+ Kxf2 Rd1+ Be3 Bxe3#; 
6R1/4bp1n/6pk/4B3/5P1p/1p1q3P/5QPK/8 w - - acd 7; acs 0; bm Qxh4+; c0 "level: easy-1"; c3 "Qxh4+"; ce 32762; dm 3; id "Leonid.231764"; pm Qxh4+; pv Qxh4+ Bxh4 Bg7+ Kh5 g4#; 
6r1/5ppk/2b4n/p4PQ1/1q2N3/6R1/PPP3PP/4R2K w - - acd 7; acs 0; bm Qxh6+; c0 "level: easy-1"; c3 "Qxh6+"; ce 32762; dm 3; id "Leonid.231829"; pm Qxh6+; pv Qxh6+ gxh6 Nf6+ Kh8 Rxg8#; 
6r1/pp6/2b2Qpk/7r/5P2/2P3R1/PP6/5K2 w - - acd 7; acs 0; bm Rxg6+; c0 "level: easy-1"; c3 "Rxg6+"; ce 32762; dm 3; id "MG 0527"; pm Rxg6+; pv Rxg6+ Kh7 Qf7+ Rg7 Qxg7#; 
6rk/1p4q1/p3R2p/3Q1p2/3P4/3r3P/P4P1K/4R3 b - - acd 7; acs 0; bm Rxh3+; c0 "level: easy-1"; c3 "Rxh3+"; ce 32762; dm 3; id "MG 0480"; pm Rxh3+; pv Rxh3+ Kxh3 Qg4+ Kh2 Qh4#; 
6rk/6rp/p3pQ2/3pP3/3Pb3/1PP1PRR1/4q2P/6K1 w - - acd 7; acs 0; bm Qxg7+; c0 "White Mates in 3. Frank Marshall vs Karel Treybal, Hamburg, 1930"; c2 "Source: wtharvey.com"; c3 "Qxg7+"; ce 32762; dm 3; id "Leonid.232144"; pm Qxg7+; pv Qxg7+ Rxg7 Rf8+ Rg8 Rgxg8#; 
6rk/ppb2Q2/2b2p1p/2P5/3pR3/6Pq/P1B2P1P/6K1 w - - acd 7; acs 0; bm Qh7+; c0 "level: easy-1"; c3 "Qh7+"; c4 "POL-4047 Mate in three"; ce 32762; dm 3; id "MG 0620"; pm Qh7+; pv Qh7+ Kxh7 Re7+ Kh8 Rh7#; 
6rr/p2b1pk1/1pn1p1p1/2qpPP2/3N2P1/2P1Q3/P2B2K1/2R4R w - - acd 7; acs 0; bm Qh6+; c0 "level: easy-1"; c3 "Qh6+"; ce 32762; dm 3; id "Leonid.232212"; pm Qh6+; pv Qh6+ Rxh6 Bxh6+ Kh7 Bf8#; 
7k/1p4p1/7p/3P1n2/4Q3/2P2P2/PP3qRP/7K b - - acd 7; acs 47; bm Qf1+; c0 "level: easy-1"; c3 "Qf1+"; c4 "WinAtChess.197"; ce 32762; dm 3; id "MG 0455"; pm Qf1+; pv Qf1+ Rg1 Ng3+ hxg3 Qh3#; 
7k/1pp5/p7/3P3B/P5p1/N1P2p1n/1P2r2P/5R1K b - - acd 7; acs 0; bm Rg2; c0 "level: easy-1"; c3 "Rg2"; ce 32762; dm 3; id "MG 0305"; pm Rg2; pv Rg2 d6 Rg1+ Rxg1 Nf2#; 
7k/4p2p/1p2Q3/p1pP2p1/4P1P1/2R2K2/PP3b2/5q2 b - - acd 7; acs 0; bm Be1+ Bg1+; c3 "Be1+ Bg1+"; c4 "POL-4450 Mate in three"; ce 32762; dm 3; id "Leonid.232716"; pm Bg1+; pv Bg1+ Kg3 Qf2+ Kh3 Qh2#; 
7k/p4q1p/1pb5/2p5/4B2Q/2P1B3/P6P/7K b - - acd 7; acs 0; bm Qf1+; c0 "level: easy-1"; c3 "Qf1+"; c4 "Reinfeld.1001.1001"; ce 32762; dm 3; id "WCSAC.1001"; pm Qf1+; pv Qf1+ Bg1 Qf3+ Bxf3 Bxf3#; 
7k/pbp3bp/3p4/1p5q/3n2p1/5rB1/PP1NrN1P/1Q1BRRK1 b - - acd 7; acs 0; bm Rxg3+; c0 "Black Mates in 3. Consultants vs Chigorin, St Petersburg, 1875"; c2 "Source: wtharvey.com"; c3 "Rxg3+"; c4 "POL-4408 Mate in three"; ce 32762; dm 3; id "wtharvey.com.06968"; pm Rxg3+; pv Rxg3+ hxg3 Qh1+ Nxh1 Rg2#; 
7Q/2pbkppp/p7/8/7q/7P/PPPPnbP1/R1B2R1K b - - acd 7; acs 0; bm Qxh3+; c0 "level: easy-2"; c3 "Qxh3+"; c4 "POL-4240 Mate in three"; ce 32762; dm 3; id "MG 1635"; pm Qxh3+; pv Qxh3+ gxh3 Bc6+ Kh2 Bg3#; 
7r/p4Qpp/1pB2n1q/3R4/5k2/8/PPP3PP/1K6 w - - acd 7; acs 0; bm Qc7+; c0 "level: easy-1"; c3 "Qc7+"; ce 32762; dm 3; id "Leonid.233955"; pm Qc7+; pv Qc7+ Ke3 Qg3+ Ke4 Qf3#; 
8/1p4pp/p1b1qr2/3k4/8/2P3Q1/PP4PP/4R2K w - - acd 7; acs 0; bm Qd3+; c0 "level: easy-1"; c3 "Qd3+"; ce 32762; dm 3; id "Leonid.235741"; pm Qd3+; pv Qd3+ Kc5 Qd4+ Kb5 Qb4#; 
8/2n2p2/6k1/R5pp/8/5PKP/2r5/1B6 b - - acd 7; acs 0; bm h4+; c0 "level: easy-1"; c3 "h4+"; c4 "POL-4329 Mate in three"; ce 32762; dm 3; id "EG 0011"; pm h4+; pv h4+ Kg4 f5+ Rxf5 Rg2#; 
8/2p2ppk/4p2p/3p4/2nPb2P/2P1P1P1/7r/R1K1Q3 b - - acd 7; acs 0; bm Rc2+; c0 "level: easy-1"; c3 "Rc2+"; ce 32762; dm 3; id "MG 0299"; pm Rc2+; pv Rc2+ Kb1 Re2+ Kc1 Rxe1#; 
8/2R3pk/p6p/8/P7/6P1/1P2nrbK/4R3 b - - acd 7; acs 0; bm Bf1+; c0 "level: easy-1"; c3 "Bf1+"; ce 32762; dm 3; id "EG 0013"; pm Bf1+; pv Bf1+ Kh1 Nxg3+ Kg1 Rg2#; 
8/5Qpk/p6p/P1b5/4pPn1/2Pp3P/1P1BbqP1/R3R2K b - - acd 7; acs 0; bm Qxg2+; c0 "level: easy-1"; c3 "Qxg2+"; c4 "POL-4159 Mate in three"; ce 32762; dm 3; id "MG 0202"; pm Qxg2+; pv Qxg2+ Kxg2 Bf3+ Kg3 Bf2#; 
8/6pp/3q1p2/3n1k2/1P6/3NQ2P/5PP1/6K1 w - - acd 7; acs 0; bm g4+; c0 "level: easy-1"; c3 "g4+"; c4 "WinAtChess.064"; ce 32762; dm 3; id "Leonid.244498"; pm g4+; pv g4+ Kg6 Qe8+ Kh6 Qh5#; 
8/7k/p6p/4B1p1/3P1pQ1/7P/P5PK/5q2 w - - acd 7; acs 0; bm Qf5+; c0 "level: easy-1"; c3 "Qf5+"; ce 32762; dm 3; id "Leonid.244762"; pm Qf5+; pv Qf5+ Kg8 Qg6+ Kf8 Bd6#; 
8/p1p5/1p4Qp/4Br2/4qP1k/8/PP4PP/6K1 w - - acd 7; acs 0; bm Bf6+; c0 "level: easy-1"; c3 "Bf6+"; ce 32762; dm 3; id "Leonid.249297"; pm Bf6+; pv Bf6+ Rg5 Qxh6+ Kg4 Qxg5#; 
8/p1p5/2p3k1/2b1rpB1/7K/2P3PP/P1P2r2/3R3R b - - acd 7; acs 0; bm Rf4+; c0 "Black Mates in 3. Jackson vs Marshall, London, 1899"; c2 "Source: wtharvey.com"; c3 "Rf4+"; ce 32762; dm 3; id "wtharvey.com.07767"; pm Rf4+; pv Rf4+ Bxf4 Be7+ Bg5 Bxg5#; 
8/p2qpp1N/1r1p3p/3p1k2/3P3R/1B3P2/PP4PP/6K1 w - - acd 7; acs 0; bm Bc2+; c0 "level: easy-1"; c3 "Bc2+"; ce 32762; dm 3; id "Leonid.249488"; pm Bc2+; pv Bc2+ Ke6 Rxh6+ f6 Ng5#; 
8/p7/2p1p2p/4P1pQ/P4b2/5Pkb/1P1r4/4R1K1 b - - acd 7; acs 0; bm Be3+; c0 "level: easy-1"; c3 "Be3+"; c4 "Reinfeld.981.1001"; ce 32762; dm 3; id "WCSAC.0981"; pm Be3+; pv Be3+ Rxe3 Rd1+ Re1 Rxe1#; 
k4r2/1R4pb/1pQp1n1p/3P4/5p1P/3P2P1/r1q1R2K/8 w - - acd 7; acs 0; bm Rxb6+; c0 "level: easy-1"; c3 "Rxb6+"; c4 "WinAtChess.050"; ce 32762; dm 3; id "Leonid.254819"; pm Rxb6+; pv Rxb6+ Qxc6 Rxa2+ Qa4 Rxa4#; 
K7/P1k3p1/7p/2n1p3/3nP3/4B1PP/8/3B4 b - - acd 7; acs 0; bm Nd7; c0 "level: easy-1"; c3 "Nd7"; c4 "Reinfeld.906.1001"; ce 32762; dm 3; id "WCSAC.0906"; pm Nd7; pv Nd7 Bxd4 exd4 h4 Nb6#; 
kr5r/p7/8/8/4q3/8/1R3Q2/KR6 w - - acd 7; acs 0; bm Qxa7+; c0 "level: easy-1"; c3 "Qxa7+"; ce 32762; dm 3; id "MG 0036"; pm Qxa7+; pv Qxa7+ Kxa7 Ra2+ Qa4 Rxa4#; 
N1bk4/pp1p1Qpp/8/2b5/3n3q/8/PPP2RPP/RNB1rBK1 b - - acd 7; acs 0; bm Ne2+; c0 "Black Mates in 3. NN vs Bird, England, 1850"; c2 "Source: wtharvey.com"; c3 "Ne2+"; c4 "POL-4347 Mate in three"; ce 32762; dm 3; id "wtharvey.com.07927"; pm Ne2+; pv Ne2+ Kh1 Ng3+ Kg1 Rxf1#; 
q1r1rkn1/pb2b2p/1p1p2p1/2nP1N2/2P5/1P1BQ3/PB3PPP/2R1R1K1 w - - acd 7; acs 0; bm Bg7+; c0 "level: easy-1"; c3 "Bg7+"; c4 "Reinfeld.722.1001"; ce 32762; dm 3; id "WCSAC.0722"; pm Bg7+; pv Bg7+ Kf7 Qe6+ Nxe6 dxe6#; 
q2Q4/5R2/2p3pk/4p3/1Pp1Pb1P/r1P1N3/5PP1/6K1 w - - acd 7; acs 0; bm Ng4+; c0 "level: easy-2"; c3 "Ng4+"; ce 32762; dm 3; id "MG 1643"; pm Ng4+; pv Ng4+ Kh5 Rh7+ Bh6 Qg5#; 
q4r1k/5p1p/p2pp2Q/1p2b3/8/2P2R2/P1P4P/6RK w - - acd 7; acs 0; bm Rg2; c0 "level: easy-1"; c3 "Rg2"; ce 32762; dm 3; id "MG 0109"; pm Rg2; pv Rg2 f5 Qxh7+ Kxh7 Rh3#; 
Q7/5p1k/6p1/7p/4Q2P/6P1/7K/3q1q2 b - - acd 7; acs 0; bm Qg1+; c0 "level: easy-1"; c3 "Qg1+"; ce 32762; dm 3; id "MG 0601"; pm Qg1+; pv Qg1+ Kh3 Qdf1+ Qg2 Qh1#; 
Q7/pppk1p1p/2n3p1/b3pb2/5n2/BKP5/P2PqP1P/RN3R2 b - - acd 7; acs 0; bm Nd4+; c0 "level: easy-1"; c3 "Nd4+"; ce 32762; dm 3; id "MG 0585"; pm Nd4+; pv Nd4+ cxd4 Qb5+ Bb4 Qxb4#; 
Qnkr3r/1p3p2/1Pp3p1/R1P4p/8/1Nq3PP/P4PK1/8 w - - acd 7; acs 0; bm Qxb7+; c0 "level: easy-1"; c3 "Qxb7+"; ce 32762; dm 3; id "MG 0075"; pm Qxb7+; pv Qxb7+ Kxb7 Ra7+ Kc8 Rc7#; 
r1b1k2r/pp2bppp/8/3N2q1/2p5/8/PPP2PPP/R2QR1K1 w kq - acd 7; acs 0; bm Nc7+; c0 "level: easy-1"; c3 "Nc7+"; ce 32762; dm 3; id "MG 0028"; pm Nc7+; pv Nc7+ Kf8 Qd8+ Bxd8 Re8#; 
r1b1k2r/pp3ppp/2n5/1Nb1pqB1/Q7/8/PP2PPPP/2KR1B1R w kq - acd 7; acs 0; bm Nc7+ Rd8+; c3 "Nc7+ Rd8+"; ce 32762; dm 3; id "BWTC.0921"; pm Nc7+; pv Nc7+ Kf8 Rd8+ Nxd8 Qe8#; 
r1b1k2r/ppp2ppp/2p5/8/3Qn1q1/8/PPPB2PP/2KR1B1R w kq - acd 7; acs 0; bm Qd8+; c0 "level: easy-1"; c3 "Qd8+"; c4 "Reinfeld.409.1001"; ce 32762; dm 3; id "WCSAC.0409"; pm Qd8+; pv Qd8+ Kxd8 Bg5+ Ke8 Rd8#; 
r1b1k2r/ppp2ppp/8/3pP3/7q/P1N2Nn1/1PP2K1P/R1BQ1B1R b kq - acd 7; acs 0; bm Ne4+; c0 "level: easy-1"; c3 "Ne4+"; ce 32762; dm 3; id "MG 0658"; pm Ne4+; pv Ne4+ Ke2 Qf2+ Kd3 Nc5#; 
r1b1kb1r/3pnppp/p1p4n/qp4N1/4P3/PQ6/B4PPP/2qR2K1 w kq - acd 7; acs 0; bm Qxf7+; c0 "level: easy-1"; c3 "Qxf7+"; ce 32762; dm 3; id "MG 0079"; pm Qxf7+; pv Qxf7+ Nxf7 Bxf7+ Kd8 Ne6#; 
r1b1n1k1/4qrp1/p2pp3/np4N1/4PP2/2N5/PPPQ4/2KR3R w - - acd 7; acs 0; bm Qh2 Rh8+; c3 "Qh2 Rh8+"; ce 32762; dm 3; id "BWTC.0493"; pm Qh2; pv Qh2 Nb3+ axb3 g6 Qh8#; 
r1b1N1nr/pp1p3p/3B2nk/4b3/8/5B2/PqP3QP/R3K3 w Q - acd 7; acs 0; bm Qh3+; c0 "level: easy-1"; c3 "Qh3+"; ce 32762; dm 3; id "MG 0507"; pm Qh3+; pv Qh3+ Nh4 Qxh4+ Kg6 Qh5#; 
r1b1n2r/1q1nNpbk/1p1p2p1/p2NpPPp/2P1P2P/3BB3/PP2Q3/R3K2R w KQ - acd 7; acs 0; bm Qxh5+ fxg6+; c3 "Qxh5+ fxg6+"; ce 32762; dm 3; id "BWTC.0148"; pm fxg6+; pv fxg6+ fxg6 Qxh5+ Bh6 Qxh6#; 
r1b1q2r/pppp1Qpp/k7/2BBp3/4N3/8/PPP3PP/RN2K2n w Q - acd 7; acs 0; bm Qf1+ Qf3; c3 "Qf1+ Qf3"; ce 32762; dm 3; id "BWTC.0918"; pm Qf3; pv Qf3 h6 Qa3+ Kb5 c4#; 
r1b1qb1r/1p4pp/pn1P1n2/4N2k/8/1Q6/PP2NPPP/R1B2RK1 w - - acd 7; acs 0; bm Ng3+ Qf3+; c3 "Ng3+ Qf3+"; ce 32762; dm 3; id "BWTC.0095"; pm Ng3+; pv Ng3+ Kh4 Nf3+ Kg4 h3#; 
r1b1qr2/1p3p2/p3pk2/4N1bp/7P/2PQ2B1/P5P1/1B5K w - - acd 7; acs 0; bm Ng4+; c0 "level: easy-1"; c3 "Ng4+"; c4 "POL-3878 Mate in three"; ce 32762; dm 3; id "MG 0564"; pm Ng4+; pv Ng4+ hxg4 Be5+ Kxe5 Qd4#; 
r1b1r1kq/pppnpp1p/1n4pB/8/4N2P/1BP5/PP2QPP1/R3K2R w KQ - acd 7; acs 0; bm Bxf7+; c0 "level: easy-1"; c3 "Bxf7+"; c4 "POL-UNK {The unknown Polgar}"; ce 32762; dm 3; id "MG 0390"; pm Bxf7+; pv Bxf7+ Kxf7 Ng5+ Kf6 Qe6#; 
r1b1rqk1/5p2/5Pp1/ppp1B1Q1/8/1P1P3R/P5PP/5RK1 w - - acd 7; acs 0; bm Qxg6+; c0 "level: easy-1"; c3 "Qxg6+"; c4 "Reinfeld.598.1001"; ce 32762; dm 3; id "WCSAC.0598"; pm Qxg6+; pv Qxg6+ fxg6 f7+ Qxf7 Rh8#; 
r1b2k1r/1p1p1pp1/p2P4/4N1Bp/3p4/8/PPB2P2/2K1R3 w - - acd 7; acs 0; bm Ng6+; c0 "White Mates in 3. Elekes vs Zitzen, corr. , 1917"; c2 "Source: wtharvey.com"; c3 "Ng6+"; c4 "POL-3875 Mate in three"; ce 32762; dm 3; id "wtharvey.com.08593"; pm Ng6+; pv Ng6+ fxg6 Bxg6 h4 Re8#; 
r1b2k1r/pppq2pp/2np1n2/8/2BQ1B2/8/PPP3PP/4RR1K w - - acd 7; acs 0; bm Qxf6+; c0 "level: easy-1"; c3 "Qxf6+"; ce 32762; dm 3; id "MG 0562"; pm Qxf6+; pv Qxf6+ gxf6 Bh6+ Qg7 Rxf6#; 
r1b2knr/ppN2ppp/2n5/8/8/8/qPPQ1PPP/2KR1B1R w - - acd 7; acs 0; bm Qd6+; c0 "level: easy-1"; c3 "Qd6+"; c4 "POL-3758 Mate in three"; ce 32762; dm 3; id "MG 0037"; pm Qd6+; pv Qd6+ Nge7 Qd8+ Nxd8 Rxd8#; 
r1b2qrk/pp3p1p/4pPpQ/8/8/5N2/P4PPP/3R2KR w - - acd 7; acs 0; bm Ng5; c0 "level: easy-1"; c3 "Ng5"; ce 32762; dm 3; id "MG 0086"; pm Ng5; pv Ng5 Rg7 Rd8 e5 Qxg7#; 
r1b2qrk/ppp2p1p/3p1PpQ/6B1/2B2R2/2P4P/P1P3P1/5RK1 w - - acd 7; acs 0; bm Qxh7+; c0 "level: easy-1"; c3 "Qxh7+"; ce 32762; dm 3; id "MG 0094"; pm Qxh7+; pv Qxh7+ Kxh7 Rh4+ Qh6 Rxh6#; 
r1b2r1k/pp4pp/3p4/3B4/8/1QN3Pn/PP3q1P/R3R2K b - - acd 7; acs 0; bm Qg1+; c0 "level: easy-1"; c3 "Qg1+"; c4 "WinAtChess.179"; ce 32762; dm 3; id "MG 0194"; pm Qg1+; pv Qg1+ Rxg1 Nf2+ Kg2 Bh3#; 
r1b2r1k/pppp2pp/8/4N3/1PBn3q/2Q5/P2N1nPP/R1B1KR2 b Q - acd 7; acs 0; bm Nd3+; c0 "level: easy-1"; c3 "Nd3+"; ce 32762; dm 3; id "MG 0166"; pm Nd3+; pv Nd3+ Kd1 Qe1+ Rxe1 Nf2#; 
r1b2r2/pppp1p2/6kp/6NN/4P3/8/PPP1B1PP/R4RK1 w - - acd 7; acs 0; bm Rf6+; c0 "level: easy-1"; c3 "Rf6+"; c4 "POL-4062 Mate in three"; ce 32762; dm 3; id "Leonid.262448"; pm Rf6+; pv Rf6+ Kxg5 g3 d6 h4#; 
r1b2rk1/pp1n1ppp/4p3/q2N2b1/1p1P3P/4PN2/P1Q2PP1/R3KB1R w KQ - acd 7; acs 0; bm Qxh7+; c0 "level: easy-1"; c3 "Qxh7+"; c4 "Reinfeld.735.1001"; ce 32762; dm 3; id "WCSAC.0735"; pm Qxh7+; pv Qxh7+ Kxh7 hxg5+ Kg6 Ne7#; 
r1b2rk1/pp4pp/2p1pq2/2bpPp2/2P1n3/1P3PP1/PBQ1P1BP/RN3R1K b - - acd 7; acs 0; bm Nxg3+; c0 "level: easy-1"; c3 "Nxg3+"; c4 "POL-4341 Mate in three"; ce 32762; dm 3; id "MG 0429"; pm Nxg3+; pv Nxg3+ hxg3 Qh6+ Bh3 Qxh3#; 
r1b2rk1/ppp2ppp/8/2b1P3/2B3nq/5N2/PP3PPP/RNBQR1K1 b - - acd 7; acs 0; bm Qxf2+; c0 "level: easy-1"; c3 "Qxf2+"; ce 32762; dm 3; id "MG 0208"; pm Qxf2+; pv Qxf2+ Kh1 Qg1+ Rxg1 Nf2#; 
r1b3k1/pp1n3p/2pbp3/3pN1P1/2PBnN2/1P1K1P2/P1Q1PqB1/R5R1 b - - acd 7; acs 0; bm Qxd4+; c0 "level: easy-1"; c3 "Qxd4+"; c4 "POL-4280 Mate in three"; ce 32762; dm 3; id "MG 0168"; pm Qxd4+; pv Qxd4+ Kxd4 Bc5+ Kd3 Nxe5#; 
r1b3kr/ppp1Bp1p/1b6/n2P4/2p3q1/2Q2N2/P4PPP/R3R1K1 w - - acd 7; acs 0; bm Qxh8+; c0 "level: easy-1"; c3 "Qxh8+"; c4 "POL-3771 Mate in three"; ce 32762; dm 3; id "Leonid.262477"; pm Qxh8+; pv Qxh8+ Kxh8 Bf6+ Qg7 Re8#; 
r1b3kr/pppp1p1p/5n1B/3PR3/4n3/2P2N2/P4PPP/R5K1 w - - acd 7; acs 0; bm Nd2; c0 "level: easy-1"; c3 "Nd2"; c4 "Reinfeld.448.1001"; ce 32762; dm 3; id "WCSAC.0448"; pm Nd2; pv Nd2 d6 Nxe4 dxe5 Nxf6#; 
r1b3kr/pppp1qbp/6p1/3Q2B1/8/8/PPP3PP/RN2R1K1 w - - acd 7; acs 0; bm Re8+; c0 "level: easy-1"; c3 "Re8+"; c4 "POL-3937 Mate in three"; ce 32762; dm 3; id "Leonid.262485"; pm Re8+; pv Re8+ Bf8 Bh6 g5 Rxf8#; 
r1b3nr/pppk1Npp/1b6/n7/3P4/2NB3P/P4PP1/R1BqR1K1 w - - acd 7; acs 0; bm Bf5+; c0 "level: easy-1"; c3 "Bf5+"; ce 32762; dm 3; id "Leonid.262491"; pm Bf5+; pv Bf5+ Kc6 Nd8+ Kd6 Bf4#; 
r1b5/pp4kp/6p1/3p2Nq/3P4/Q5P1/PPP3P1/4R1K1 w - - acd 7; acs 0; bm Qe7+; c0 "level: easy-1"; c3 "Qe7+"; c4 "POL-3883 Mate in three"; ce 32762; dm 3; id "Leonid.262559"; pm Qe7+; pv Qe7+ Kg8 Qf7+ Kh8 Re8#; 
r1bk1b1N/pp4p1/2pB1n1p/q4p1Q/2BPR3/8/PPP3PP/R5K1 w - - acd 7; acs 0; bm Qe8+; c0 "level: easy-1"; c3 "Qe8+"; ce 32762; dm 3; id "MG 0149"; pm Qe8+; pv Qe8+ Nxe8 Nf7+ Kd7 Be6#; 
r1bk1b1r/pp2nppp/3Np3/4N3/3B4/2PQ4/PP3PqP/R3K2R w KQ - acd 7; acs 0; bm Bb6+; c0 "level: easy-1"; c3 "Bb6+"; ce 32762; dm 3; id "MG 0651"; pm Bb6+; pv Bb6+ axb6 Ndxf7+ Ke8 Qd8#; 
r1bk2Br/ppp1b2p/2np4/6B1/4P3/3P1Q2/PqP3PP/RN3RK1 w - - acd 7; acs 0; bm Qf8+; c0 "level: easy-1"; c3 "Qf8+"; ce 32762; dm 3; id "MG 0524"; pm Qf8+; pv Qf8+ Kd7 Be6+ Kxe6 Qf5#; 
r1bk2nr/ppp2ppp/3p4/bQ3q2/3p4/B1P5/P3BPPP/RN1KR3 w - - acd 7; acs 0; bm Qe8+; c0 "White Mates in 3. Kaldegg vs Zeissel, Vienna, 1903"; c2 "Source: wtharvey.com"; c3 "Qe8+"; ce 32762; dm 3; id "wtharvey.com.09014"; pm Qe8+; pv Qe8+ Kxe8 Bb5+ Kf8 Re8#; 
r1bn1r1k/pp4pp/8/q1b1Pp2/2Bp1P2/N2R3Q/1PP1N2P/1K5R w - - acd 7; acs 0; bm Qxh7+; c0 "level: easy-1"; c3 "Qxh7+"; ce 32762; dm 3; id "MG 0100"; pm Qxh7+; pv Qxh7+ Kxh7 Rh3+ Kg6 Rg1#; 
r1bq1b1r/ppp2k1p/2n2nN1/7Q/3Pp3/P7/1PP2PPP/2B1K2R w K - acd 7; acs 0; bm Ne5+; c0 "level: easy-1"; c3 "Ne5+"; ce 32762; dm 3; id "MG 0645"; pm Ne5+; pv Ne5+ Ke7 Qf7+ Kd6 Nc4#; 
r1bq1b1r/pppknBp1/2np4/4pPNp/6Q1/8/PPPP1PPP/RNB2RK1 w - - acd 7; acs 0; bm f6+; c0 "level: easy-1"; c3 "f6+"; c4 "Reinfeld.893.1001 disch"; ce 32762; dm 3; id "WCSAC.0893"; pm f6+; pv f6+ hxg4 Be6+ Ke8 f7#; 
r1bq1n1r/pp3QpB/2p1pb2/5R2/2pPk3/8/PPP3PP/R5K1 w - - acd 7; acs 0; bm Re1+; c0 "level: easy-1"; c3 "Re1+"; ce 32762; dm 3; id "MG 0618"; pm Re1+; pv Re1+ Kxd4 c3+ Kd3 Rd5#; 
r1bq1r1k/ppp1N1p1/7p/2bp1pN1/2Bn1B1Q/8/PP3PP1/R3R1K1 w - - acd 7; acs 0; bm Qxh6+; c0 "level: easy-1"; c3 "Qxh6+"; c4 "POL-4099 Mate in three"; ce 32762; dm 3; id "MG 0046"; pm Qxh6+; pv Qxh6+ gxh6 Be5+ Rf6 Bxf6#; 
r1bq1r2/pp2n1p1/4p1k1/3pPpN1/1b1n2QP/2N5/PP3PP1/R1B1K2R w KQ - acd 7; acs 0; bm h5+; c0 "Gunnar Gundersen vs Albert Faul, Melbourne, 1928"; c2 "Source: wtharvey.com"; c3 "h5+"; ce 32762; dm 3; id "wtharvey.com.09077"; pm h5+; pv h5+ Kh6 Nxe6+ g5 hxg6ep#; 
r1bq1rk1/pp1n1pp1/2p1p3/6b1/2PPBB2/4P3/PPQ2PP1/R3K2R w KQ - acd 7; acs 0; bm Bh7+; c0 "level: easy-1"; c3 "Bh7+"; c4 "Reinfeld.350.1001"; ce 32762; dm 3; id "WCSAC.0350"; pm Bh7+; pv Bh7+ Kh8 Bg8+ Bh6 Qh7#; 
r1bq1rk1/pp2np1p/2n2Bp1/3pp3/3R3Q/2P5/P1P2PPP/2K2BNR w - - acd 7; acs 0; bm Qxh7+; c0 "level: easy-1"; c3 "Qxh7+"; ce 32762; dm 3; id "MG 0060"; pm Qxh7+; pv Qxh7+ Kxh7 Rh4+ Kg8 Rh8#; 
r1bq1rk1/pp5R/2p1p1B1/3pP1b1/2P5/2N1P3/PPQ2P2/3RK3 w - - acd 7; acs 0; bm Bf7+; c0 "level: easy-1"; c3 "Bf7+"; ce 32762; dm 3; id "MG 0380"; pm Bf7+; pv Bf7+ Rxf7 Qg6+ Rg7 Qxg7#; 
r1bq3k/ppp1nQp1/4pN1p/6N1/2BP4/2P1n3/PP4PP/R5K1 w - - acd 7; acs 0; bm Qg6; c0 "level: easy-1"; c3 "Qg6"; ce 32762; dm 3; id "MG 0108"; pm Qg6; pv Qg6 Qg8 Nf7+ Qxf7 Qh7#; 
r1bq3k/ppp2r1p/2np1p1Q/2bNpp2/2B1P2N/3P4/PPP2PPP/R3K2R w KQ - acd 7; acs 0; bm Ng6+; c0 "level: easy-1"; c3 "Ng6+"; ce 32762; dm 3; id "OP 0007"; pm Ng6+; pv Ng6+ Kg8 Nxf6+ Qxf6 Qf8#; 
r1bq4/n1p2QB1/p5Nn/7k/1pP2P2/1P4P1/P7/2K2B2 w - - acd 7; acs 0; bm Be2+ Ne5+; c3 "Be2+ Ne5+"; ce 32762; dm 3; id "BWTC.0154"; pm Ne5+; pv Ne5+ Nxf7 Be2+ Bg4 Bxg4#; 
r1bqr3/pp1kn1pp/2pp4/6B1/1P6/PBp5/2P2PPP/R2QR1K1 w - - acd 7; acs 0; bm Qxd6+; c0 "level: easy-1"; c3 "Qxd6+"; ce 32762; dm 3; id "MG 0031"; pm Qxd6+; pv Qxd6+ Kxd6 Bf4+ Kd7 Be6#; 
r1bqrk2/p2n1pp1/1pn1p3/2ppP1PQ/3P1N2/2P5/PP3PP1/R1B1K2R w KQ - acd 7; acs 0; bm Qh8+; c0 "level: easy-1"; c3 "Qh8+"; ce 32762; dm 3; id "MG 0394"; pm Qh8+; pv Qh8+ Ke7 Ng6+ fxg6 Qxg7#; 
r1k3nb/ppP2p2/2n1b3/3N4/2BPQB1q/8/PPP3P1/R4K2 w - - acd 7; acs 0; bm Nb6+ Qxe6+; c3 "Nb6+ Qxe6+"; ce 32762; dm 3; id "BWTC.0650"; pm Nb6+; pv Nb6+ axb6 Bxe6+ fxe6 Qxe6#; 
r1n2b1r/1N1k2p1/p2P1nq1/4Qb1p/P3p3/2N4P/1PP2PP1/2KR1B1R w - - acd 7; acs 0; bm Bb5+; c0 "level: easy-1"; c3 "Bb5+"; ce 32762; dm 3; id "MG 0563"; pm Bb5+; pv Bb5+ axb5 Qxb5+ Ke6 Nd8#; 
r1q2bk1/ppp3r1/3p4/3Pp2p/1PP1Pp2/P1BNnnpP/1R2Q3/2N2BRK b - - acd 7; acs 0; bm g2+; c0 "level: easy-2"; c3 "g2+"; ce 32762; dm 3; id "MG 1637"; pm g2+; pv g2+ Qxg2 Qxh3+ Qh2 Rxg1#; 
r1q2r1k/p4b2/1p2pP2/3p3p/1P1B1P2/2PB4/P3Q2P/6RK w - - acd 7; acs 0; bm Qxh5+; c0 "level: easy-1"; c3 "Qxh5+"; c4 "Reinfeld.374.1001"; ce 32762; dm 3; id "WCSAC.0374"; pm Qxh5+; pv Qxh5+ Bxh5 f7+ e5 Bxe5#; 
r2b1r1k/2p1q1pp/p3b3/1p2BR2/2B5/2P3Q1/P1P3PP/3R3K w - - acd 7; acs 0; bm Qxg7+; c0 "level: easy-1"; c3 "Qxg7+"; ce 32762; dm 3; id "Leonid.263125"; pm Qxg7+; pv Qxg7+ Qxg7 Rxf8+ Bg8 Rxg8#; 
r2Bk3/ppp2pp1/2np4/4p3/2B1P1n1/3P4/PPPNKpP1/RN1r4 b q - acd 7; acs 0; bm Nd4+; c0 "level: easy-1"; c3 "Nd4+"; ce 32762; dm 3; id "MG 0335"; pm Nd4+; pv Nd4+ Kxd1 Ne3+ Kc1 Ne2#; 
r2n4/pp1R1Pp1/5kr1/6p1/PbB1R1P1/2p2P2/1P5P/2K5 w - - acd 7; acs 0; bm f8=Q+ f8=R+; c3 "f8=Q+ f8=R+"; ce 32762; dm 3; id "Leonid.263616"; pm f8=Q+ f8=R+; pv f8=Q+ Bxf8 Rf7+ Nxf7 Re6#; 
r2nk2r/p5pp/2bR1pq1/1pN1p3/2Q5/B5P1/PP2PP1P/3R2K1 w kq - acd 7; acs 0; bm Rxd8+; c0 "level: easy-1"; c3 "Rxd8+"; ce 32762; dm 3; id "MG 0621"; pm Rxd8+; pv Rxd8+ Rxd8 Qe6+ Kf8 Nd7#; 
r2nkb1r/1p1b1p1p/pB2p1P1/P2pP3/1P4PQ/3q4/3N3P/5RK1 w kq - acd 7; acs 0; bm Qxd8+; c0 "level: easy-1"; c3 "Qxd8+"; ce 32762; dm 3; id "MG 0043"; pm Qxd8+; pv Qxd8+ Rxd8 gxf7+ Ke7 Bc5#; 
r2q1b1r/p3kppp/1p2b3/1B1p3Q/3P4/4P3/PPP3PP/2KR1R2 w - - acd 7; acs 0; bm Rxf7+; c0 "level: easy-1"; c3 "Rxf7+"; ce 32762; dm 3; id "Leonid.263700"; pm Rxf7+; pv Rxf7+ Bxf7 Qg5+ Ke6 Qe5#; 
r2q1r1k/1b4n1/p3p1nN/1p1p4/2p5/1P1BP2R/PBPP2PP/5RK1 w - - acd 7; acs 0; bm Nf7+; c0 "level: easy-1"; c3 "Nf7+"; c4 "POL-3935 Mate in three"; ce 32762; dm 3; id "Leonid.263707"; pm Nf7+; pv Nf7+ Kg8 Rh8+ Nxh8 Nh6#; 
r2q1rk1/pb2bp2/1pn1p1p1/2pp2Np/5PnQ/PP1BP3/1BPP3P/RN3RK1 w - - acd 7; acs 0; bm Qxh5; c0 "level: easy-1"; c3 "Qxh5"; ce 32762; dm 3; id "Leonid.263710"; pm Qxh5; pv Qxh5 Nf6 Bxf6 gxh5 Bh7#; 
r2q2kr/pp4p1/5R1p/8/6Q1/7P/PP4P1/6K1 w - - acd 7; acs 0; bm Qe6+; c0 "level: easy-1"; c3 "Qe6+"; ce 32762; dm 3; id "Leonid.263724"; pm Qe6+; pv Qe6+ Kh7 Rxh6+ gxh6 Qf7#; 
r2qkbnr/pppb2pp/5pn1/3Pp3/4Q3/2PBBN2/PP4PP/RN2K2R w KQkq - acd 7; acs 0; bm Qxg6+; c0 "White Mates in 3. K Kunitz vs B Salamon, Tangier, 1907"; c2 "Source: wtharvey.com"; c3 "Qxg6+"; c4 "POL-UNK {The unknown Polgar}"; ce 32762; dm 3; id "wtharvey.com.10076"; pm Qxg6+; pv Qxg6+ hxg6 Bxg6+ Ke7 Bc5#; 
r2qr1k1/pbpp1Npp/1p6/3Q2b1/2P1P3/P7/1PP2PPP/R4RK1 w - - acd 7; acs 0; bm Nh6+; c0 "level: easy-1"; c3 "Nh6+"; ce 32762; dm 3; id "Leonid.263788"; pm Nh6+; pv Nh6+ Kh8 Qg8+ Rxg8 Nf7#; 
r2qrk2/4bppB/p7/1p1bN2Q/1n6/8/1B3PPP/2RR2K1 w - - acd 7; acs 0; bm Rxd5; c0 "level: easy-1"; c3 "Rxd5"; c4 "POL-3904 Mate in three"; ce 32762; dm 3; id "MG 0076"; pm Rxd5; pv Rxd5 Qxd5 Qxf7+ Qxf7 Nd7#; 
r2r2k1/ppp1q1n1/3p2p1/3P1pP1/3Q1P1R/6N1/PPP5/2K4R w - - acd 7; acs 0; bm Rh8+; c0 "level: easy-1"; c3 "Rh8+"; c4 "Reinfeld.744.1001"; ce 32762; dm 3; id "Leonid.263813"; pm Rh8+; pv Rh8+ Kf7 Qxg7+ Kxg7 R1h7#; 
r2r3k/p5pp/4R3/2q2p1Q/1nBR4/4P3/1P3PPP/6K1 w - - acd 7; acs 0; bm Qxh7+; c0 "level: easy-1"; c3 "Qxh7+"; c4 "Reinfeld.717.1001"; ce 32762; dm 3; id "Leonid.263829"; pm Qxh7+; pv Qxh7+ Kxh7 Rh4+ Kg8 Re8#; 
r2rb3/pp2b1pB/1qn1knQp/2pp4/3P1B2/2P1P3/PP3PPP/R4RK1 w - - acd 7; acs 0; bm Bg8+; c0 "level: easy-1"; c3 "Bg8+"; ce 32762; dm 3; id "Leonid.263848"; pm Bg8+; pv Bg8+ Bf7 Bxf7+ Kd7 Qf5#; 
r3b1qk/ppp1r3/5pPB/2bpn2Q/7N/3p4/PPP1BP1P/R3K1R1 w Q - acd 7; acs 0; bm Bg7+; c0 "level: easy-2"; c3 "Bg7+"; ce 32762; dm 3; id "MG 1662"; pm Bg7+; pv Bg7+ Kxg7 Qh6+ Kxh6 Nf5#; 
r3Bb1r/pQ6/2p2p1p/k3q3/4P3/2N1B3/PP4PP/6K1 w - - acd 7; acs 0; bm b4+; c0 "level: easy-1"; c3 "b4+"; c4 "POL-3965 Mate in three"; ce 32762; dm 3; id "Leonid.263902"; pm b4+; pv b4+ Bxb4 Bb6+ axb6 Qxa8#; 
r3bk2/pp4pQ/5p1p/b5q1/2B5/8/PP4PP/3R1R1K w - - acd 7; acs 0; bm Qg8+; c0 "level: easy-1"; c3 "Qg8+"; ce 32762; dm 3; id "Leonid.263904"; pm Qg8+; pv Qg8+ Ke7 Qe6+ Kf8 Qd6#; 
r3brkn/1p5p/2p2PB1/2Pp4/3Pp2q/4P1R1/6PP/5R1K w - - acd 7; acs 0; bm Bf7+; c0 "level: easy-1"; c3 "Bf7+"; ce 32762; dm 3; id "Leonid.263917"; pm Bf7+; pv Bf7+ Kxf7 Rg7+ Ke6 Re7#; 
r3k2r/2pqb3/3p2K1/p2Pp3/1pP1Pp2/1B3Pp1/PP1N3P/RNBQ1R2 b kq - acd 7; acs 0; bm Rg8+; c0 "level: med-3"; c3 "Rg8+"; ce 32762; dm 3; id "MG 1965"; pm Rg8+; pv Rg8+ Kh7 Bf8+ Kxg8 Qg7#; 
r3k2r/pbp2pp1/3b1n2/1p6/3P3p/1B2N1Pq/PP1PQP1P/R1B2RK1 b kq - acd 7; acs 0; bm Qxh2+; c0 "level: easy-2"; c3 "Qxh2+"; c4 "WinAtChess.079"; ce 32762; dm 3; id "MG 1665"; pm Qxh2+; pv Qxh2+ Kxh2 hxg3+ Kg1 Rh1#; 
r3k2r/ppp2pp1/2np4/2B1p2n/2B1P1Nq/3P4/PPP2PP1/RN1Q1RK1 b kq - acd 7; acs 0; bm Qh1+; c0 "level: easy-1"; c3 "Qh1+"; ce 32762; dm 3; id "MG 0668"; pm Qh1+; pv Qh1+ Kxh1 Ng3+ Kg1 Rh1#; 
r3k3/4bR2/pp2P1p1/2pp2qp/3Pp3/4P1P1/PP1B3P/5QK1 w q - acd 7; acs 0; bm Rf8+; c0 "level: easy-1"; c3 "Rf8+"; ce 32762; dm 3; id "MG 0504"; pm Rf8+; pv Rf8+ Bxf8 Qf7+ Kd8 Qd7#; 
r3nrk1/1ppb2pp/1p1p4/3Ppq1n/2B3P1/2P4P/PP1N1P1K/R2Q1RN1 b - - acd 7; acs 0; bm Qxf2+; c0 "level: easy-1"; c3 "Qxf2+"; ce 32762; dm 3; id "MG 0458"; pm Qxf2+; pv Qxf2+ Rxf2 Rxf2+ Kh1 Ng3#; 
r3nrk1/pp3p1p/2b1pBpQ/q1p1P3/6P1/3BP1R1/P3KP1P/q7 w - - acd 7; acs 0; bm Qxh7+; c0 "level: easy-1"; c3 "Qxh7+"; c4 "Reinfeld.727.1001"; ce 32762; dm 3; id "WCSAC.0727"; pm Qxh7+; pv Qxh7+ Kxh7 Rh3+ Kg8 Rh8#;
Last edited by Dann Corbit on Sat Aug 08, 2015 12:18 am, edited 1 time in total.
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Dann Corbit
Posts: 12838
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: BWTC some of the harder problems are buggy

Post by Dann Corbit »

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r3nrk1/pp3p1p/2b1pBpQ/q1p1P3/6P1/3BP1R1/P3KP1P/q7 w - - acd 7; acs 0; bm Qxh7+; c0 "level: easy-1"; c3 "Qxh7+"; c4 "Reinfeld.727.1001"; ce 32762; dm 3; id "WCSAC.0727"; pm Qxh7+; pv Qxh7+ Kxh7 Rh3+ Kg8 Rh8#; 
r3nrkq/pp3p1p/2p3nQ/5NN1/8/3BP3/PPP3PP/2KR4 w - - acd 7; acs 0; bm Ne7+; c0 "White Mates in 3. Rudolf Spielmann vs Saviely Tartakower, Munich, 1909"; c2 "Source: wtharvey.com"; c3 "Ne7+"; c4 "POL-4111 Mate in three"; ce 32762; dm 3; id "Leonid.264277"; pm Ne7+; pv Ne7+ Nxe7 Bxh7+ Qxh7 Qxh7#; 
r3q1kr/ppp5/3p2pQ/8/3PP1b1/5R2/PPP3P1/5RK1 w - - acd 7; acs 0; bm Rf8+; c0 "level: easy-1"; c3 "Rf8+"; c4 "WinAtChess.057"; ce 32762; dm 3; id "MG 0362"; pm Rf8+; pv Rf8+ Qxf8 Rxf8+ Rxf8 Qxg6#; 
r3r1k1/1p1n1p1p/pq3p2/3P3N/4P3/P2b4/1B1Q2PP/R6K w - - acd 7; acs 0; bm Qh6; c0 "level: easy-1"; c3 "Qh6"; c4 "Reinfeld.948.1001"; ce 32762; dm 3; id "WCSAC.0948"; pm Qh6; pv Qh6 Qg1+ Rxg1 f5 Qg7#; 
r4r2/1q3pkp/p1b1p1n1/1p4QP/4P3/1BP3P1/P4P2/R2R2K1 w - - acd 7; acs 0; bm h6+; c0 "level: easy-1"; c3 "h6+"; c4 "Reinfeld.939.1001"; ce 32762; dm 3; id "Leonid.264606"; pm h6+; pv h6+ Kg8 Qf6 e5 Qg7#; 
r4rk1/p3qp2/1p2p2R/8/3P4/3B4/PP1Q1P2/1K6 w - - acd 7; acs 0; bm Rh8+; c0 "level: easy-1"; c3 "Rh8+"; ce 32762; dm 3; id "Leonid.264640"; pm Rh8+; pv Rh8+ Kxh8 Qh6+ Kg8 Qh7#; 
r4rk1/pp2ppbp/6p1/5P2/3n4/3n1PK1/PP2N1BP/R1BQ3R b - - acd 7; acs 0; bm Nxf5+; c0 "level: easy-1"; c3 "Nxf5+"; ce 32762; dm 3; id "MG 0296"; pm Nxf5+; pv Nxf5+ Kg4 h5+ Kg5 Bh6#; 
r4rk1/ppp2pp1/7p/3P4/2P1Nnq1/5bB1/PP3PPP/R3QRK1 b - - acd 7; acs 0; bm Qh3; c0 "level: easy-1"; c3 "Qh3"; ce 32762; dm 3; id "MG 0215"; pm Qh3; pv Qh3 Nf6+ gxf6 gxf3 Qg2#; 
r4rk1/ppp3pp/3pb3/6K1/8/8/PB3bPP/RN1Q3R b - - acd 7; acs 0; bm Rf5+; c0 "level: easy-1"; c3 "Rf5+"; c4 "POL-4453 Mate in three"; ce 32762; dm 3; id "MG 0303"; pm Rf5+; pv Rf5+ Kg4 h5+ Kh3 Rf3#; 
r5k1/pb1p1Npp/1qnQ1n2/1p6/8/BBP5/P4PPP/4R1K1 w - - acd 7; acs 0; bm Nd8+; c0 "level: easy-1"; c3 "Nd8+"; ce 32762; dm 3; id "Leonid.264754"; pm Nd8+; pv Nd8+ Kh8 Re8+ Ng8 Nf7#; 
r5k1/pp2brp1/3n1pQ1/3Ppb2/7R/2P3R1/P4PPP/6K1 w - - acd 7; acs 0; bm Qh6 Rgh3; c3 "Qh6 Rgh3"; ce 32762; dm 3; id "BWTC.0173"; pm Rgh3; pv Rgh3 Bxh3 Qh7+ Kf8 Qh8#; 
r5k1/pp3ppp/8/8/2P2PnK/3P1q2/P1PBb2P/RQ5R b - - acd 7; acs 0; bm Ne3 Nh6; c3 "Ne3 Nh6"; ce 32762; dm 3; id "BWTC.0806"; pm Ne3; pv Ne3 Rg1 Nf5+ Kg5 Qh5#; 
r5kb/ppp5/3p1qP1/7Q/3p4/8/PPPB3P/4R1K1 w - - acd 7; acs 0; bm Qh7+; c0 "level: easy-1"; c3 "Qh7+"; ce 32762; dm 3; id "Leonid.264834"; pm Qh7+; pv Qh7+ Kf8 Bh6+ Qg7 Qxh8#; 
r5kr/pppN1pp1/1bn1R3/1q1N2Bp/3p2Q1/8/PPP2PPP/R5K1 w - - acd 7; acs 0; bm N5f6+; c0 "White Mates in 3. Dadian vs Bitcham, Zugridi, 1892"; c2 "Source: wtharvey.com"; c3 "N5f6+"; c4 "POL-4080 Mate in three"; ce 32762; dm 3; id "Leonid.264843"; pm N5f6+; pv N5f6+ gxf6 Bh6+ Qg5 Nxf6#; 
r5n1/ppp1q3/2bp2kp/5rP1/3Qp3/2N5/PPP1B3/2KR3R w - - acd 7; acs 0; bm Bh5+; c0 "White Mates in 3. Henri Weenink vs Hans Kmoch, London, 1927"; c2 "Source: wtharvey.com"; c3 "Bh5+"; ce 32762; dm 3; id "Leonid.264858"; pm Bh5+; pv Bh5+ Kxg5 Rdg1+ Kf4 Ne2#; 
r5r1/p1q2p1k/1p1R2pB/3p4/6bQ/2p5/P1P1NPPP/6K1 w - - acd 7; acs 0; bm Bf8+; c0 "level: easy-1"; c3 "Bf8+"; c4 "Reinfeld.380.1001 disch"; ce 32762; dm 3; id "WCSAC.0380"; pm Bf8+; pv Bf8+ Bh5 Qxh5+ gxh5 Rh6#; 
r5rk/pp1b1p1p/1qn1pPpQ/5nPP/5P2/1PP5/2B5/R1B1K2R w KQ - acd 7; acs 0; bm Qxh7+; c0 "level: easy-1"; c3 "Qxh7+"; ce 32762; dm 3; id "MG 0644"; pm Qxh7+; pv Qxh7+ Kxh7 hxg6+ Kxg6 Rh6#; 
r6k/1ppnNr1p/p4p1Q/2q2N2/2n2P2/4R3/PPP3PP/6K1 w - - acd 7; acs 0; bm Ng6+; c0 "level: easy-1"; c3 "Ng6+"; ce 32762; dm 3; id "Leonid.264934"; pm Ng6+; pv Ng6+ Kg8 Qg7+ Rxg7 Nh6#; 
r6k/p4p1p/5P2/5N2/8/8/5K2/6R1 w - - acd 7; acs 0; bm Nh6; c0 "level: easy-1"; c3 "Nh6"; ce 32762; dm 3; id "Leonid.264974"; pm Nh6; pv Nh6 Rf8 Rg8+ Rxg8 Nxf7#; 
r6k/pp3b1p/q2p1ppQ/3N4/P3P3/6PP/2P3BK/8 w - - acd 7; acs 0; bm Nxf6; c0 "level: easy-1"; c3 "Nxf6"; ce 32762; dm 3; id "Leonid.264978"; pm Nxf6; pv Nxf6 Bg8 Nh5 g5 Qg7#; 
R6n/1p2r1pk/p1p4p/3qBP2/6P1/4Q2P/PP5K/8 w - - acd 7; acs 0; bm Qxh6+; c0 "level: easy-1"; c3 "Qxh6+"; ce 32762; dm 3; id "Leonid.265004"; pm Qxh6+; pv Qxh6+ Kxh6 Rxh8+ Kg5 Rh5#; 
R6R/1r3pp1/4p1kp/3pP3/1r2qPP1/7P/1P1Q3K/8 w - - acd 7; acs 0; bm f5+; c0 "White Mates in 3. Bernstein vs Alexander Kotov, Groningen, 1946"; c2 "Source: wtharvey.com"; c3 "f5+"; ce 32762; dm 3; id "wtharvey.com.07999"; pm f5+; pv f5+ Qxf5 Qxh6+ gxh6 Rag8#; 
r6r/pp1k1p2/2pp4/4p3/3nPb1p/5PNq/PPP2P1P/R2Q1BRK b - - acd 7; acs 0; bm Qxh2+; c0 "level: easy-1"; c3 "Qxh2+"; ce 32762; dm 3; id "MG 0205"; pm Qxh2+; pv Qxh2+ Kxh2 hxg3+ Kg2 Rh2#; 
r7/1p1b3q/3p1nk1/3Pp1p1/1P2Ppn1/R4P2/P1B3K1/2Q1N1B1 b - - acd 7; acs 0; bm Qh3+; c0 "level: easy-1"; c3 "Qh3+"; c4 "POL-4318 Mate in three"; ce 32762; dm 3; id "MG 0660"; pm Qh3+; pv Qh3+ Kxh3 Ne3+ Kh2 Rh8#; 
r7/2p2pk1/p5p1/1p1Q2Kp/1P6/2P1N2P/1P2n1P1/R5b1 b - - acd 7; acs 0; bm f6+; c0 "level: easy-1"; c3 "f6+"; c4 "POL-4407 Mate in three"; ce 32762; dm 3; id "MG 0301"; pm f6+; pv f6+ Kh4 Bf2+ g3 Bxg3#; 
R7/8/2p2q1k/3p1r1p/6p1/3P2K1/P5B1/6Q1 b - - acd 7; acs 0; bm Rf3+; c0 "level: easy-1"; c3 "Rf3+"; ce 32762; dm 3; id "MG 0596"; pm Rf3+; pv Rf3+ Bxf3 Qxf3+ Kh4 Qh3#; 
r7/pb1p1k2/3P2p1/1pb2nq1/5P2/2P4Q/P5PP/3R1R1K b - - acd 7; acs 0; bm Qxg2+; c0 "level: easy-1"; c3 "Qxg2+"; ce 32762; dm 3; id "MG 0474"; pm Qxg2+; pv Qxg2+ Qxg2 Ng3+ hxg3 Rh8#; 
r7/pb6/1p2r1Pk/3pNp2/2pP1P2/2q1P1R1/P3QKP1/8 w - - acd 7; acs 0; bm Qh5+; c0 "level: easy-1"; c3 "Qh5+"; ce 32762; dm 3; id "Leonid.265284"; pm Qh5+; pv Qh5+ Kg7 Qh7+ Kf6 Nd7#; 
rb3r2/1p2qB1p/p5pk/6Nb/1P3pPQ/P3P3/1B5P/R5K1 w - - acd 7; acs 0; bm Ne6; c0 "level: easy-1"; c3 "Ne6"; ce 32762; dm 3; id "MG 0044"; pm Ne6; pv Ne6 Be5 g5+ Qxg5+ Qxg5#; 
rk1q2r1/pppP1p1p/3b2p1/3QN3/8/8/PPP2PPP/R1B3K1 w - - acd 7; acs 0; bm Nc6+; c0 "level: easy-2"; c3 "Nc6+"; c4 "POL-4042 Mate in three"; ce 32762; dm 3; id "MG 1656"; pm Nc6+; pv Nc6+ bxc6 Qb3+ Bb4 Qxb4#; 
rn1q1b1r/ppp2B2/7p/4Bk2/3Pn1pP/3Qp3/PPP3P1/RN4K1 w - - acd 7; acs 0; bm Qxe4+; c0 "level: med-3"; c3 "Qxe4+"; ce 32762; dm 3; id "MG 1943"; pm Qxe4+; pv Qxe4+ Kxe4 Nc3+ Kf5 Rf1#; 
rn1q1r2/p4pk1/1p3R1p/2ppP2Q/3P4/2P4P/P1P3P1/1R4K1 w - - acd 7; acs 0; bm Qxh6+; c0 "level: easy-1"; c3 "Qxh6+"; ce 32762; dm 3; id "MG 0406"; pm Qxh6+; pv Qxh6+ Kg8 Qg5+ Kh8 Rh6#; 
rn1q2rk/pp3p1p/2p4Q/3p4/7P/2NP2R1/PPP3P1/4RK2 w - - acd 7; acs 0; bm Re8 Rxg8+; c3 "Re8 Rxg8+"; c4 "Reinfeld.438.1001"; ce 32762; dm 3; id "WCSAC.0438"; pm Re8; pv Re8 Qxe8 Qf6+ Rg7 Qxg7#; 
rn1q4/pp5n/2pp4/b3kbp1/4P1Q1/3P4/PPP3P1/R1B3K1 w - - acd 7; acs 0; bm Qxf5+; c0 "level: easy-1"; c3 "Qxf5+"; ce 32762; dm 3; id "MG 0566"; pm Qxf5+; pv Qxf5+ Kd4 Be3+ Kxe3 Qf2#; 
rn1qr3/pb5p/1p3b1R/5Pp1/2pp2k1/3B4/PP1B2PP/5RK1 w - - acd 7; acs 0; bm Be4 h3+; c3 "Be4 h3+"; c4 "Reinfeld.586.1001"; ce 32762; dm 3; id "WCSAC.0586"; pm h3+; pv h3+ Kg3 Be4 g4 Be1#; 
rn1qrk2/ppp1ppbQ/8/6Np/2BP4/8/PPP2PP1/R3K3 w Q - acd 7; acs 0; bm Ne6+ Qg6; c3 "Ne6+ Qg6"; ce 32762; dm 3; id "BWTC.0160"; pm Ne6+; pv Ne6+ fxe6 Bxe6 h4 Qg8#; 
rn2kb1r/pp2pp1p/2p2p2/8/8/3Q1N2/qPPB1PPP/2KR3R w kq - acd 7; acs 0; bm Qd8+; c0 "level: easy-1"; c3 "Qd8+"; c4 "Larsen1.40.100"; ce 32762; dm 3; id "WCSAC.0399"; pm Qd8+; pv Qd8+ Kxd8 Ba5+ Ke8 Rd8#; 
rn3b1r/ppp4k/3q1B1p/8/2b3QP/8/PPP3P1/R4R1K w - - acd 7; acs 0; bm Qe4+ Qf5+; c3 "Qe4+ Qf5+"; ce 32762; dm 3; id "BWTC.0543"; pm Qe4+; pv Qe4+ Kg8 Qg6+ Bg7 Qxg7#; 
rn3k2/1p1bq1r1/p2Np2Q/2pp1p2/1b3P2/3BP3/PBPPK1P1/7R w - - acd 7; acs 0; bm Qh8+; c0 "level: easy-1"; c3 "Qh8+"; ce 32762; dm 3; id "MG 0151"; pm Qh8+; pv Qh8+ Rg8 Qxg8+ Kxg8 Rh8#; 
rn4nr/pppq2bk/7p/5b1P/4NBQ1/3B4/PPP3P1/R3K2R w KQ - acd 7; acs 0; bm Ng5+ Qg6+; c3 "Ng5+ Qg6+"; c4 "Reinfeld.742.1001"; ce 32762; dm 3; id "WCSAC.0742"; pm Qg6+; pv Qg6+ Bxg6 Ng5+ hxg5 hxg6#; 
rnb1k1nr/ppp3pp/6q1/4p1B1/1b2P3/2N2N2/PPP3PP/3RKB1R w Kkq - acd 7; acs 0; bm Rd8+; c0 "level: easy-1"; c3 "Rd8+"; ce 32762; dm 3; id "MG 0242"; pm Rd8+; pv Rd8+ Kf7 Bc4+ Qe6 Nxe5#; 
rnb1k1r1/ppp2p1p/4p3/8/1b2q2Q/8/PPPB1nPP/2KR1BNR w q - acd 7; acs 0; bm Qd8+; c0 "level: easy-1"; c3 "Qd8+"; c4 "Reinfeld.405.1001"; ce 32762; dm 3; id "WCSAC.0405"; pm Qd8+; pv Qd8+ Kxd8 Bg5+ Ke8 Rd8#; 
rnb1k2r/ppppbN1p/5n2/7Q/4P3/2N5/PPPP3P/R1B1KB1q w Qkq - acd 7; acs 0; bm Nd6+; c0 "level: easy-1"; c3 "Nd6+"; ce 32762; dm 3; id "MG 0626"; pm Nd6+; pv Nd6+ Kd8 Qe8+ Rxe8 Nf7#; 
rnb1kb1r/pp3ppp/2p5/4q3/4n3/3Q4/PPPB1PPP/2KR1BNR w kq - acd 7; acs 0; bm Qd8+; c0 "level: easy-1"; c3 "Qd8+"; c4 "Reinfeld.406.1001"; ce 32762; dm 3; id "WCSAC.0406"; pm Qd8+; pv Qd8+ Kxd8 Bg5+ Ke8 Rd8#; 
rnb1qk1r/ppp1n1p1/3P1b1p/7Q/2BP4/8/PPP4p/RNB2R1K w - - acd 7; acs 0; bm Rxf6+; c0 "White Mates in 3. Fedor Dus Chotimirsky vs Robine, 1910"; c2 "Source: wtharvey.com"; c3 "Rxf6+"; c4 "POL-4063 Mate in three"; ce 32762; dm 3; id "wtharvey.com.12227"; pm Rxf6+; pv Rxf6+ gxf6 Bxh6+ Rxh6 Qxh6#; 
rnbk1b1r/ppqpnQ1p/4p1p1/2p1N1B1/4N3/8/PPP2PPP/R3KB1R w KQ - acd 7; acs 0; bm Qe8+; c0 "level: easy-1"; c3 "Qe8+"; c4 "Reinfeld.718.1001"; ce 32762; dm 3; id "WCSAC.0718"; pm Qe8+; pv Qe8+ Kxe8 Nf6+ Kd8 Nf7#; 
rnbq1knr/ppb4p/3NpPp1/3p4/1P1p1Q2/P7/2PB1PPP/R3KBNR w KQ - acd 7; acs 0; bm Qh6+; c0 "level: easy-1"; c3 "Qh6+"; ce 32762; dm 3; id "OP 0011"; pm Qh6+; pv Qh6+ Nxh6 Bxh6+ Kg8 f7#; 
rqbn2Q1/ppN5/1n1P1k2/5p2/2B5/4P3/PPP3P1/2KR4 w - - acd 7; acs 0; bm Ne8+; c0 "level: easy-1"; c3 "Ne8+"; ce 32762; dm 3; id "MG 0555"; pm Ne8+; pv Ne8+ Ke5 Qh8+ Ke4 Qd4#; 
rr3k2/pppq1pN1/1b1p1BnQ/1b2p1N1/4P3/2PP3P/PP3PP1/R4RK1 w - - acd 7; acs 0; bm N7e6+; c0 "White Mates in 3. Benjamin Leussen vs Oldrich Duras, Scheveningen, 1905"; c2 "Source: wtharvey.com"; c3 "N7e6+"; ce 32762; dm 3; id "wtharvey.com.12467"; pm N7e6+; pv N7e6+ Ke8 Qf8+ Nxf8 Ng7#; 
1B1Q1R2/8/qNrn3p/2p1rp2/Rn3k1K/8/5P2/bbN4B w - - acd 5; acs 0; bm Qf6; c0 "level: easy-1"; c3 "Qf6"; ce 32764; dm 2; id "MG 0681"; pm Qf6; pv Qf6 h5 Qg5#; 
1B2K3/p2p1ppQ/N3k3/P1R1p2N/3p1b2/3P2p1/6P1/8 w - - acd 5; acs 0; bm Rb5; c3 "Rb5"; ce 32764; dm 2; id "yacpdb id 338852"; pm Rb5; pv Rb5 g6 Qxf7#; 
1B6/3K3p/5p2/pp2pr2/N2k3q/1Q5p/2R2b2/5N2 w - - acd 5; acs 0; bm Nc3; c0 "level: easy-2"; c3 "Nc3"; ce 32764; dm 2; id "MG 1671"; pm Nc3; pv Nc3 h2 Qd5#; 
1B6/4QK2/r3P3/5kNn/2N1pr2/3P2pP/4Rq2/3n1R2 w - - acd 5; acs 0; bm Nf3; c3 "Nf3"; ce 32764; dm 2; id "yacpdb id 33736"; pm Nf3; pv Nf3 g2 Qg5#; 
1br1r1k1/p2q1ppp/1p6/4p3/1PPp1n1n/P2P1PNP/1B1Q3K/3R2NR b - - acd 5; acs 0; bm Qxh3+; c0 "level: easy-1"; c3 "Qxh3+"; c4 "Larsen1.20.100"; ce 32764; dm 2; id "WCSAC.0545"; pm Qxh3+; pv Qxh3+ Nxh3 Nxf3#; 
1K2krb1/1P1RP2p/7P/1n2N3/B3Q3/8/8/8 w - - acd 5; acs 0; bm Nf7; c3 "Nf7"; ce 32764; dm 2; id "yacpdb id 331951"; pm Nf7; pv Nf7 Kxd7+ exf8=N#; 
1k4r1/pp3Q2/P4p2/1Pb1pP2/4P3/3rq2P/2R3PK/R7 b - - acd 5; acs 0; bm Rxg2+; c0 "level: easy-1"; c3 "Rxg2+"; ce 32764; dm 2; id "MG 0438"; pm Rxg2+; pv Rxg2+ Rxg2 Qxh3#; 
1k5r/1pp2ppp/8/1B3bn1/3b1pq1/5N2/PP4PP/R1BQ1K1R b - - acd 5; acs 0; bm Qxg2+; c0 "level: easy-1"; c3 "Qxg2+"; ce 32764; dm 2; id "MG 0211"; pm Qxg2+; pv Qxg2+ Ke1 Qf2#; 
1K6/7B/1p6/R2np2r/p1k2pQ1/1N3N2/8/1R2B1b1 w - - acd 5; acs 0; bm Qh3; c3 "Qh3"; ce 32764; dm 2; id "yacpdb id 171372"; pm Qh3; pv Qh3 e4 Qf1#; 
1n1kqrnr/5pb1/ppPp2pp/4p1P1/P3P2P/2N1BP1B/1PP5/1K1R3R w - - acd 5; acs 0; bm Bxb6+; c0 "level: easy-1"; c3 "Bxb6+"; ce 32764; dm 2; id "MG 0249"; pm Bxb6+; pv Bxb6+ Ke7 Nd5#; 
1n4k1/r5np/1p4PB/p1p5/2q3P1/2P4P/8/4QRK1 w - - acd 5; acs 0; bm Qe8+; c0 "level: easy-1"; c3 "Qe8+"; c4 "POL-0488 Mate in two"; ce 32764; dm 2; id "MG 0039"; pm Qe8+; pv Qe8+ Nxe8 Rf8#; 
1n4r1/rp2R3/1k1N4/p3P1p1/PP1p4/3B4/2P4P/6K1 w - - acd 5; acs 0; bm Nc4+; c0 "level: easy-1"; c3 "Nc4+"; ce 32764; dm 2; id "MG 0223"; pm Nc4+; pv Nc4+ Kc6 Be4#; 
1Q6/3B4/2P5/2bkNp2/R2Pn3/6rp/6nK/2RN1b2 w - - acd 5; acs 0; bm Nd3; c0 "level: med-5"; c3 "Nd3"; ce 32764; dm 2; id "MG 2385"; pm Nd3; pv Nd3 f4 Qe5#; 
1qk1r2r/p2b4/P3p3/BN1p1npp/2p1n3/2P5/1QP1BPPP/RR4K1 w - - acd 5; acs 0; bm Nd6+; c0 "level: easy-1"; c3 "Nd6+"; ce 32764; dm 2; id "MG 0341"; pm Nd6+; pv Nd6+ Qxd6 Qb7#; 
1Qq5/8/2N5/7b/3Nr2p/4kp1R/8/1B2K3 w - - acd 5; acs 0; bm Qd6; c0 "level: med-6"; c3 "Qd6"; ce 32764; dm 2; id "MG 2557"; pm Qd6; pv Qd6 Bg4 Nc2#; 
1qrb4/r3pP1R/3k1N2/n2P4/3Q3K/N5p1/6B1/6B1 w - - acd 5; acs 0; bm f8=N; c3 "f8=N"; ce 32764; dm 2; id "yacpdb id 332016"; pm f8=N; pv f8=N e6 dxe6#; 
1r1b3Q/K1p2p2/1nppk3/2r5/8/3b4/PP5P/RN4BR b - - acd 5; acs 0; bm Ra8+; c0 "level: easy-1"; c3 "Ra8+"; ce 32764; dm 2; id "MG 0605"; pm Ra8+; pv Ra8+ Kb7 Ba6#; 
1r1k1b2/5q2/p1QP1p2/2p5/8/2P5/P4KP1/4R3 w - - acd 5; acs 0; bm Re8+; c0 "level: easy-1"; c3 "Re8+"; ce 32764; dm 2; id "MG 0550"; pm Re8+; pv Re8+ Qxe8 Qc7#; 
1r1k4/R4p1p/2BP2pP/1P2p1n1/2K1P3/8/8/8 w - - acd 5; acs 0; bm Re7; c0 "level: easy-1"; c3 "Re7"; ce 32764; dm 2; id "EG 0009"; pm Re7; pv Re7 f6 Re8#; 
1r1q1r1k/6pp/5p2/8/5N2/1B6/6K1/1R6 w - - acd 5; acs 0; bm Ng6+; c0 "level: easy-1"; c3 "Ng6+"; ce 32764; dm 2; id "MG 0272"; pm Ng6+; pv Ng6+ hxg6 Rh1#; 
1r1r3k/pbq2p2/1p2p1p1/2p5/4N3/2PBQ1P1/PPP2P2/1K6 w - - acd 5; acs 0; bm Qh6+; c0 "level: easy-1"; c3 "Qh6+"; ce 32764; dm 2; id "MG 0415"; pm Qh6+; pv Qh6+ Kg8 Nf6#; 
1R2Nq2/R3bk2/2pp2p1/3N4/6P1/8/BB5Q/5K2 w - - acd 5; acs 0; bm Nxd6+; c0 "level: easy-1"; c3 "Nxd6+"; ce 32764; dm 2; id "MG 0679"; pm Nxd6+; pv Nxd6+ Kg8+ Nf4#; 
1r3b1r/k1p1qp2/ppBp3p/3P2p1/Q3Pp2/3R1P1P/PPP2P2/2K4R w - - acd 5; acs 0; bm Qxa6+; c0 "level: easy-1"; c3 "Qxa6+"; ce 32764; dm 2; id "MG 0095"; pm Qxa6+; pv Qxa6+ Kxa6 Ra3#; 
1r4k1/2p2ppp/8/1qP5/R3Q3/1rP2P2/4N1PP/K6R b - - acd 5; acs 0; bm Ra3+; c0 "level: easy-1"; c3 "Ra3+"; ce 32764; dm 2; id "MG 0461"; pm Ra3+; pv Ra3+ Rxa3 Qb2#; 
1r5k/2p1P2p/6p1/2pP4/p1B2P2/2P1Q2P/P2K4/7q b - - acd 5; acs 0; bm Rb2+; c0 "level: easy-1"; c3 "Rb2+"; ce 32764; dm 2; id "MG 0600"; pm Rb2+; pv Rb2+ Kd3 Qb1#; 
1r5r/ppp1k3/3pPpQp/8/3pP3/8/P4PPP/6K1 w - - acd 5; acs 0; bm Qf7+; c0 "level: easy-1"; c3 "Qf7+"; ce 32764; dm 2; id "MG 0488"; pm Qf7+; pv Qf7+ Kd8 Qd7#; 
1R6/n1B5/6Rb/2kpp3/2p5/8/2N1Q3/K7 w - - acd 5; acs 0; bm Qf3; c3 "Qf3"; ce 32764; dm 2; id "yacpdb id 315079"; pm Qf3; pv Qf3 e4 Qa3#; 
1rb1k1nN/p1q3pp/p1p5/2b3p1/4N3/8/PP3PPP/R3R1K1 w - - acd 5; acs 0; bm Nf6+; c0 "level: easy-1"; c3 "Nf6+"; ce 32764; dm 2; id "MG 0292"; pm Nf6+; pv Nf6+ Kf8 Nxh7#; 
1rb1r1k1/2q1pp1p/p2p2pB/2pP4/1pP2Q2/1P1n4/P4PPP/2R1R1K1 w - - acd 5; acs 0; bm Qf6; c0 "level: easy-1"; c3 "Qf6"; c4 "Reinfeld.838.1001"; ce 32764; dm 2; id "WCSAC.0838"; pm Qf6; pv Qf6 g5 Qg7#; 
1rbq2k1/5ppp/p1n1p3/3n4/2N1pPP1/bN2B2P/2P1KQ2/5B1R b - - acd 5; acs 0; bm Nc3+; c0 "level: easy-1"; c3 "Nc3+"; ce 32764; dm 2; id "MG 0597"; pm Nc3+; pv Nc3+ Ke1 Qd1#; 
1rk4r/ppp1nQ2/7p/8/4P1q1/2P2R2/P4PP1/3R2K1 w - - acd 5; acs 0; bm Qf8+; c0 "level: easy-1"; c3 "Qf8+"; ce 32764; dm 2; id "MG 0111"; pm Qf8+; pv Qf8+ Rxf8 Rxf8#; 
2b1rk2/4p1bp/1BQ1P1p1/p4p2/P7/8/4rPPP/3R2K1 w - - acd 5; acs 0; bm Qxe8+; c0 "level: easy-1"; c3 "Qxe8+"; ce 32764; dm 2; id "MG 0066"; pm Qxe8+; pv Qxe8+ Kxe8 Rd8#; 
2b2n1r/5N2/ppp3r1/7k/3P1R1p/5P1N/PP3K2/6R1 w - - acd 5; acs 0; bm Rf5+; c0 "level: easy-1"; c3 "Rf5+"; c4 "POL-1109 Mate in two"; ce 32764; dm 2; id "MG 0225"; pm Rf5+; pv Rf5+ Rg5 Nf4#; 
2b2r2/2p1R2p/1qNr1n1k/pPRp1Bp1/3Q2P1/7P/1P3P2/6K1 w - - acd 5; acs 0; bm Qxf6+; c0 "level: easy-1"; c3 "Qxf6+"; ce 32764; dm 2; id "MG 0506"; pm Qxf6+; pv Qxf6+ Rdxf6 Rxh7#; 
2bb4/QNkB4/KN5R/Pp3p2/1B6/3q4/8/2r5 w - - acd 5; acs 0; bm Be8; c3 "Be8"; ce 32764; dm 2; id "yacpdb id 338498"; pm Be8; pv Be8 Bxb7+ Qxb7#; 
2bqr3/3rnp1p/ppn2kp1/2p5/3p1N1P/3P2P1/PPPQ1PB1/4RRK1 w - - acd 5; acs 0; bm Nh5+; c0 "level: easy-2"; c3 "Nh5+"; c4 "POL-1070 Mate in two"; ce 32764; dm 2; id "MG 1657"; pm Nh5+; pv Nh5+ gxh5 Qg5#; 
2k1rb1r/ppp3pp/2n2q2/3B1b2/5P2/2P1BQ2/PP1N1P1P/2KR3R b - - acd 5; acs 0; bm Qxc3+; c0 "level: easy-1"; c3 "Qxc3+"; ce 32764; dm 2; id "MG 0198"; pm Qxc3+; pv Qxc3+ bxc3 Ba3#; 
2k4r/pp2b1pp/2p2p2/5PP1/1r2b1BN/K7/P6P/R1B2R2 b - - acd 5; acs 0; bm Rb5+; c0 "level: easy-1"; c3 "Rb5+"; ce 32764; dm 2; id "MG 0330"; pm Rb5+; pv Rb5+ Ka4 Bc2#; 
2k4r/pp3pp1/4p3/8/P1P5/6pP/1P3qP1/R4Q1K b - - acd 5; acs 0; bm Rxh3+; c0 "level: easy-1"; c3 "Rxh3+"; ce 32764; dm 2; id "MG 0463"; pm Rxh3+; pv Rxh3+ gxh3 Qh2#; 
2k5/ppp3pp/4r3/2B1n3/3r4/1R3P1b/P1Q2P1P/6KR b - - acd 5; acs 0; bm Nxf3+ Rd1+ Rg6+; c3 "Nxf3+ Rd1+ Rg6+"; ce 32764; dm 2; id "BWTC.0390"; pm Nxf3+; pv Nxf3+ Rxf3 Re1#; 
2kr2nr/pp1n1ppp/2p1p3/8/1P1P1B2/2N2Q1P/1PPKBPP1/7q w - - acd 5; acs 0; bm Qxc6+; c0 "level: easy-1"; c3 "Qxc6+"; ce 32764; dm 2; id "MG 0107"; pm Qxc6+; pv Qxc6+ bxc6 Ba6#; 
2kr2r1/pp1n1p1p/2p1p2b/5p1q/3PQ3/3B1PB1/PPP3PP/R3R1K1 w - - acd 5; acs 0; bm Qxc6+; c0 "level: easy-2"; c3 "Qxc6+"; ce 32764; dm 2; id "MG 1650"; pm Qxc6+; pv Qxc6+ bxc6 Ba6#; 
2kr2r1/ppp3q1/4p3/PP1pP2p/3P1p1n/2P4P/3N1P1K/6NQ b - - acd 5; acs 0; bm Qg3+; c0 "level: easy-1"; c3 "Qg3+"; c4 "POL-1406 Mate in two"; ce 32764; dm 2; id "MG 0473"; pm Qg3+; pv Qg3+ fxg3 fxg3#; 
2kr3r/1Rp3pp/n1Bp1p2/3P4/1Q2PP1P/5q2/P7/1K2R3 w - - acd 5; acs 0; bm Rb8+ Rxc7+; c3 "Rb8+ Rxc7+"; ce 32764; dm 2; id "BWTC.0537"; pm Rxc7+; pv Rxc7+ Nxc7 Qb7#; 
2kr3r/pp2bppp/2p1bq2/8/4QB2/2PB4/PPP2PPP/3RR1K1 w - - acd 5; acs 0; bm Qxc6+; c0 "level: easy-1"; c3 "Qxc6+"; c4 "Reinfeld.920.1001"; ce 32764; dm 2; id "WCSAC.0920"; pm Qxc6+; pv Qxc6+ bxc6 Ba6#; 
2kr3r/pp2bppp/4bn2/1Npp3q/5B1Q/3B4/PPP2PPP/1K1R3R w - - acd 5; acs 0; bm Nxa7+; c0 "level: easy-1"; c3 "Nxa7+"; ce 32764; dm 2; id "MG 0417"; pm Nxa7+; pv Nxa7+ Kd7 Bb5#; 
2kr3r/pp3pp1/2n5/2P4p/Q1B2Bn1/1NP2pPq/P4PbP/3RR1K1 w - - acd 5; acs 0; bm Qxc6+; c0 "level: easy-1"; c3 "Qxc6+"; c4 "Reinfeld.715.1001"; ce 32764; dm 2; id "WCSAC.0715"; pm Qxc6+; pv Qxc6+ bxc6 Ba6#; 
2kr3r/pp6/6p1/2bpqb2/8/1BP1P3/PP1NQ1PP/2KR2NR b - - acd 5; acs 0; bm Qxc3+; c0 "level: easy-1"; c3 "Qxc3+"; ce 32764; dm 2; id "MG 0203"; pm Qxc3+; pv Qxc3+ Bc2 Qxc2#; 
2krr3/pp3ppp/8/2b2P2/5B2/1BP2QNP/PP2pnP1/R3K2R b KQ - acd 5; acs 0; bm Rd1+; c0 "level: easy-1"; c3 "Rd1+"; ce 32764; dm 2; id "MG 0674"; pm Rd1+; pv Rd1+ Rxd1 exd1=Q#; 
2n2r1k/q1r1b1np/p1Pp1pp1/1p2p3/1P2P1PN/P1R4P/B2Q1P1K/2R5 w - - acd 5; acs 0; bm Nxg6+; c0 "level: easy-1"; c3 "Nxg6+"; ce 32764; dm 2; id "MG 0353"; pm Nxg6+; pv Nxg6+ hxg6 Qh6#; 
2N3n1/4p1bB/5pP1/2pP1k1n/2p3bP/2B1Qp1p/3P1p1K/5N2 w - - acd 5; acs 0; bm Bxf6; c0 "level: easy-1"; c3 "Bxf6"; ce 32764; dm 2; id "MG 0680"; pm Bxf6; pv Bxf6 e6 Qe5#; 
2qkr1n1/pp4Q1/2n2R2/2p3N1/7B/2P5/PP1r2PP/R5K1 w - - acd 5; acs 0; bm Rd6+; c0 "level: easy-1"; c3 "Rd6+"; c4 "POL-1150 Mate in two"; ce 32764; dm 2; id "MG 0619"; pm Rd6+; pv Rd6+ Qd7 Qxd7#; 
2QR1B2/rpb2p1q/p7/2PBk1P1/p3N2r/2Ppn1P1/KN2b3/4R3 w - - acd 5; acs 0; bm Nf6; c3 "Nf6"; ce 32764; dm 2; id "yacpdb id 3574"; pm Nf6; pv Nf6 d2 Re8#; 
2r1k2r/1p3pp1/p3pn1p/8/1BP2qPP/3B4/PP2Q3/1K1R4 w k - acd 5; acs 0; bm Qxe6+; c0 "level: easy-1"; c3 "Qxe6+"; ce 32764; dm 2; id "MG 0124"; pm Qxe6+; pv Qxe6+ fxe6 Bg6#; 
2r1nr1k/pp1q1p1p/3bpp2/5P2/1P1Q4/P3P3/1B3P1P/R3K1R1 w Q - acd 5; acs 0; bm Qxf6+; c0 "level: easy-1"; c3 "Qxf6+"; ce 32764; dm 2; id "MG 0027"; pm Qxf6+; pv Qxf6+ Ng7 Qxg7#; 
2r1rb2/1bq4R/p2pk1p1/1p6/2P1Pp2/1P6/PB1Q2PP/7K w - - acd 5; acs 0; bm Qd5+; c0 "level: easy-1"; c3 "Qd5+"; ce 32764; dm 2; id "MG 0150"; pm Qd5+; pv Qd5+ Bxd5 cxd5#; 
2r1rk2/ppqb1pb1/3ppPp1/8/4P2Q/4N2R/PPP3PP/3R2K1 w - - acd 5; acs 0; bm Qh8+; c0 "level: easy-1"; c3 "Qh8+"; ce 32764; dm 2; id "MG 0080"; pm Qh8+; pv Qh8+ Bxh8 Rxh8#; 
2r1rnbk/1p3q1p/p1p2P1Q/3pP3/5P2/3BP3/PP6/4R1RK w - - acd 5; acs 0; bm Qg7+; c0 "level: easy-1"; c3 "Qg7+"; ce 32764; dm 2; id "MG 0373"; pm Qg7+; pv Qg7+ Qxg7 fxg7#; 
2r2b1r/1p2nBp1/8/2q1p1kp/8/4PQ2/P4PPP/1R3RK1 w - - acd 5; acs 0; bm h4+; c0 "level: easy-1"; c3 "h4+"; ce 32764; dm 2; id "MG 0534"; pm h4+; pv h4+ Kh6 Qxh5#; 
2r2k2/5pRp/p4Q2/8/2b1r3/1NB5/qPP3PP/6K1 w - - acd 5; acs 0; bm Rg8+; c0 "level: easy-1"; c3 "Rg8+"; ce 32764; dm 2; id "MG 0389"; pm Rg8+; pv Rg8+ Kxg8 Qh8#; 
2r2nk1/5ppp/4p3/8/3P1Pn1/1R1N2q1/PB2K3/7Q b - - acd 5; acs 0; bm Rc2+; c0 "level: easy-1"; c3 "Rc2+"; ce 32764; dm 2; id "MG 0599"; pm Rc2+; pv Rc2+ Kd1 Ne3#; 
2r2r1k/p1q3pp/8/3Q1p2/2N5/PP3N2/4n1P1/R1B2n1K b - - acd 5; acs 0; bm Qh2+; c0 "level: easy-1"; c3 "Qh2+"; ce 32764; dm 2; id "MG 0204"; pm Qh2+; pv Qh2+ Nxh2 Nfg3#; 
2r3k1/p4pPp/5r2/8/1Q1Pn1P1/2PbB3/PP5q/2RKR3 b - - acd 5; acs 0; bm Qd2+; c0 "level: easy-1"; c3 "Qd2+"; ce 32764; dm 2; id "MG 0192"; pm Qd2+; pv Qd2+ Bxd2 Nf2#; 
2r4k/R5p1/1pp4p/3P2rq/2P1Pp2/4nP1P/4B2K/Q5R1 b - - acd 5; acs 0; bm Qxh3+; c0 "level: easy-1"; c3 "Qxh3+"; ce 32764; dm 2; id "MG 0217"; pm Qxh3+; pv Qxh3+ Kxh3 Rh5#; 
2r4r/3R3p/p7/1pb2p2/4k1nQ/n4N2/1PP3PP/2B2K2 w - - acd 5; acs 0; bm Qe7+; c0 "level: easy-1"; c3 "Qe7+"; ce 32764; dm 2; id "MG 0068"; pm Qe7+; pv Qe7+ Ne5 Ng5#; 
2R5/1N3Q2/2b1n1pr/b2k3P/3Bq2R/1Pn2B2/4Np2/5K2 w - - acd 5; acs 0; bm Bg7; c0 "level: med-5"; c3 "Bg7"; ce 32764; dm 2; id "MG 2384"; pm Bg7; pv Bg7 g5 Qf5#; 
2R5/5bk1/5p2/p6p/3qPp1P/5Pp1/4Q1P1/1r1NK2R b K - acd 5; acs 0; bm Rxd1+; c0 "level: easy-1"; c3 "Rxd1+"; ce 32764; dm 2; id "MG 0584"; pm Rxd1+; pv Rxd1+ Qxd1 Qf2#; 
2R5/8/3p4/3kNK2/r7/2Q5/4q3/8 w - - acd 5; acs 0; bm Qc5+; c0 "level: easy-1"; c3 "Qc5+"; ce 32764; dm 2; id "EG 0016"; pm Qc5+; pv Qc5+ dxc5 Rd8#; 
2r5/pQ3r1p/4P2k/2b4p/2b2PP1/3q4/1B3R1P/n5K1 w - - acd 5; acs 0; bm g5+; c0 "level: easy-1"; c3 "g5+"; ce 32764; dm 2; id "MG 0548"; pm g5+; pv g5+ Kg6 Qxf7#; 
2rb3k/5prp/p2p1N2/1pq1p3/4P2Q/1PP3R1/P5PP/R6K w - - acd 5; acs 0; bm Qxh7+; c0 "level: easy-1"; c3 "Qxh7+"; c4 "Reinfeld.931.1001"; ce 32764; dm 2; id "WCSAC.0931"; pm Qxh7+; pv Qxh7+ Rxh7 Rg8#; 
2rq1r2/pp1b1pp1/3p2k1/6P1/4pPQ1/1N6/PPP3P1/2K4R w - - acd 5; acs 0; bm f5+; c0 "level: easy-1"; c3 "f5+"; ce 32764; dm 2; id "MG 0532"; pm f5+; pv f5+ Bxf5 Qh5#; 
2Rr4/pp2k1p1/5p2/1q2pP2/1P2P3/5nPp/PQ3N1P/3R3K b - - acd 5; acs 0; bm Rxd1+; c0 "level: easy-1"; c3 "Rxd1+"; ce 32764; dm 2; id "MG 0454"; pm Rxd1+; pv Rxd1+ Nxd1 Qf1#; 
3b2k1/1p4rp/p1p1p1r1/2Pp3q/3P1P2/5pP1/PP3B1P/4QRRK b - - acd 5; acs 0; bm Qxh2+; c0 "level: easy-1"; c3 "Qxh2+"; ce 32764; dm 2; id "MG 0218"; pm Qxh2+; pv Qxh2+ Kxh2 Rh6#; 
3b2rk/pp5p/2p1p1rq/2Pp4/1P1PpP2/5bPP/P1R4K/2B1QNR1 b - - acd 5; acs 0; bm Qxh3+; c0 "level: easy-1"; c3 "Qxh3+"; ce 32764; dm 2; id "MG 0200"; pm Qxh3+; pv Qxh3+ Kxh3 Rh6#; 
3B4/K1pR1p1p/n5br/Q1p1k1Pp/R3N3/1B2P1nr/1pN1PP1b/1q6 w - - acd 5; acs 0; bm Nd4; c3 "Nd4"; ce 32764; dm 2; id "yacpdb id 332021"; pm Nd4; pv Nd4 h4 Re7#; 
3K4/8/8/3k1p2/3N1B2/8/1Q6/3B4 w - - acd 5; acs 0; bm Ne6; c0 "level: easy-2"; c3 "Ne6"; ce 32764; dm 2; id "EG 0563"; pm Ne6; pv Ne6 Kxe6 Bb3#; 
3N4/1p3p2/8/pR1B1Rp1/P2k2P1/1r1p1r2/1P1p1P2/Q2K2B1 w - - acd 5; acs 0; bm Kxd2; c3 "Kxd2"; ce 32764; dm 2; id "yacpdb id 331961"; pm Kxd2; pv Kxd2 Rxf2+ Bxf2#; 
3N4/4rP2/2n5/2P1k2n/1pP4Q/1P2Nb1p/3B4/1BK1R1Rq w - - acd 5; acs 0; bm Qf2; c3 "Qf2"; ce 32764; dm 2; id "yacpdb id 7690"; pm Qf2; pv Qf2 h2 Ng4#; 
3nbr2/5q1p/r3pRpk/p2pQR2/1ppP2p1/2P5/PPB4P/6K1 w - - acd 5; acs 0; bm Rh5+; c0 "level: easy-1"; c3 "Rh5+"; ce 32764; dm 2; id "MG 0494"; pm Rh5+; pv Rh5+ Kg7 Rxg6#; 
3NnQ2/Pp5q/p3P1p1/r1pk1N2/p5R1/1PBKR1br/2P5/8 w - - acd 5; acs 0; bm Bg7; c3 "Bg7"; ce 32764; dm 2; id "yacpdb id 332020"; pm Bg7; pv Bg7 c4+ bxc4#; 
3Q1N2/5pp1/4p1bk/4P2p/8/pq5P/5PP1/6K1 w - - acd 5; acs 0; bm Qd2+; c0 "level: easy-1"; c3 "Qd2+"; ce 32764; dm 2; id "MG 0365"; pm Qd2+; pv Qd2+ Qe3 Qxe3#; 
3q1rk1/1b1p1p2/r4n1Q/pp1pB1N1/8/8/P1B3PP/7K w - - acd 5; acs 0; bm Qh7+; c0 "level: med-5"; c3 "Qh7+"; ce 32764; dm 2; id "MG 2366"; pm Qh7+; pv Qh7+ Nxh7 Bxh7#; 
3Q3B/5p2/nRN5/1np5/2k1p3/2b1R3/2B5/3K4 w - - acd 5; acs 0; bm Qa8; c3 "Qa8"; ce 32764; dm 2; id "yacpdb id 172879"; pm Qa8; pv Qa8 f6 Qg8#; 
3q3r/R1nnkpp1/b1pNp2p/4P3/1Q1P4/1p3N2/5PPP/4K2R w K - acd 5; acs 0; bm Nf5+; c0 "level: easy-1"; c3 "Nf5+"; ce 32764; dm 2; id "MG 0623"; pm Nf5+; pv Nf5+ Ke8 Nxg7#; 
3q4/4b3/2p4p/pk1p1B2/N4P2/P1Q3P1/1P5P/7K w - - acd 5; acs 0; bm Bd3+; c0 "level: easy-1"; c3 "Bd3+"; ce 32764; dm 2; id "MG 0544"; pm Bd3+; pv Bd3+ Kxa4 Qc2#; 
3Q4/p2p1rb1/3N2B1/8/4rP1p/R1P1k2N/4P3/B2K4 w - - acd 5; acs 0; bm Qg5; c3 "Qg5"; ce 32764; dm 2; id "yacpdb id 1018"; pm Qg5; pv Qg5 Rd4+ cxd4#; 
3qrbk1/ppp1r2n/3pP2p/3P4/2P4P/1P3Q2/PB6/R4R1K w - - acd 5; acs 0; bm Qf7+; c0 "level: easy-1"; c3 "Qf7+"; c4 "Reinfeld.736.1001"; ce 32764; dm 2; id "WCSAC.0736"; pm Qf7+; pv Qf7+ Rxf7 exf7#; 
3r1k1r/p1q2pNp/3Rp3/3n4/P3B3/B4P2/3Q2PP/6K1 w - - acd 5; acs 0; bm Rxd8+; c0 "level: easy-1"; c3 "Rxd8+"; ce 32764; dm 2; id "MG 0615"; pm Rxd8+; pv Rxd8+ Kxg7 Qg5#; 
3r1rk1/p1p2ppp/1bp5/7n/1PN5/1QP2P2/P2q2PP/R3R2K b - - acd 5; acs 0; bm Ng3+; c0 "level: easy-1"; c3 "Ng3+"; ce 32764; dm 2; id "MG 0430"; pm Ng3+; pv Ng3+ hxg3 Qh6#; 
3r1rk1/pp2q1pp/2p5/8/1QPbBPb1/P5P1/1P5P/R1B1R2K b - - acd 5; acs 0; bm Qxe4+; c0 "level: easy-1"; c3 "Qxe4+"; ce 32764; dm 2; id "MG 0578"; pm Qxe4+; pv Qxe4+ Rxe4 Bf3#; 
3r2Bk/1p3pR1/p2q3p/5p2/Pn4n1/4PP2/1B3P1P/6RK w - - acd 5; acs 0; bm Rh7+; c0 "level: easy-1"; c3 "Rh7+"; ce 32764; dm 2; id "MG 0289"; pm Rh7+; pv Rh7+ Kxg8 Rh8#; 
3r2k1/2Q1rpp1/p6p/1p1p1P2/2pnn1P1/7P/PP3PN1/1BR1R1K1 b - - acd 5; acs 0; bm Nf3+; c0 "level: easy-1"; c3 "Nf3+"; ce 32764; dm 2; id "Leonid.139086"; pm Nf3+; pv Nf3+ Kh1 Nxf2#; 
3r2k1/5ppp/8/8/3q4/8/4Q2K/4R3 w - - acd 5; acs 0; bm Qe8+; c0 "level: easy-1"; c3 "Qe8+"; ce 32764; dm 2; id "MG 0139"; pm Qe8+; pv Qe8+ Rxe8 Rxe8#; 
3r2k1/p1p3pp/1p4r1/4p3/4N2P/BP1PnqP1/P3n2K/R1R4Q b - - acd 5; acs 0; bm Ng4+; c0 "level: easy-1"; c3 "Ng4+"; ce 32764; dm 2; id "MG 0469"; pm Ng4+; pv Ng4+ Kh3 Nf4#; 
3r2nk/6pp/6q1/6N1/7Q/8/6K1/8 w - - acd 5; acs 0; bm Qxh7+; c0 "level: easy-1"; c3 "Qxh7+"; ce 32764; dm 2; id "MG 0141"; pm Qxh7+; pv Qxh7+ Qxh7 Nf7#; 
3r2r1/3bqp1p/1Qpk1b2/4p3/2P1B3/2P5/P4PPP/1R4K1 w - - acd 5; acs 0; bm c5+; c0 "level: easy-1"; c3 "c5+"; ce 32764; dm 2; id "MG 0542"; pm c5+; pv c5+ Ke6 Qb3#; 
3r2rk/p4p1p/3p1Pp1/3R4/2p1B2Q/8/1q4PP/4R1K1 w - - acd 5; acs 0; bm Qxh7+; c0 "level: easy-1"; c3 "Qxh7+"; c4 "Reinfeld.66.1001"; ce 32764; dm 2; id "WCSAC.0066"; pm Qxh7+; pv Qxh7+ Kxh7 Rh5#; 
3r3r/p2k2pp/2p1bp2/q7/4B3/B7/PQ3PPP/1R4K1 w - - acd 5; acs 0; bm Bxc6+ Qb7+; c3 "Bxc6+ Qb7+"; c4 "Reinfeld.884.1001"; ce 32764; dm 2; id "WCSAC.0884"; pm Bxc6+; pv Bxc6+ Kc7 Qb7#; 
3R4/1b2K3/5R2/4k2p/7r/4P3/3N4/8 w - - acd 5; acs 0; bm e4; c0 "level: easy-1"; c3 "e4"; ce 32764; dm 2; id "EG 0023"; pm e4; pv e4 Bc8 Rd5#; 
3r4/1pb3kp/6p1/2P1p3/1P2Kp2/1nBB1P1P/6P1/4R3 b - - acd 5; acs 0; bm Nd2+; c0 "level: easy-1"; c3 "Nd2+"; ce 32764; dm 2; id "MG 0308"; pm Nd2+; pv Nd2+ Bxd2 Rd4#; 
3rk2r/ppp2ppp/2b5/2b1P1Q1/8/2P5/PP3RPP/RNBq2NK b k - acd 5; acs 0; bm Qxg1+; c0 "level: easy-1"; c3 "Qxg1+"; ce 32764; dm 2; id "MG 0216"; pm Qxg1+; pv Qxg1+ Kxg1 Rd1#; 
3rk2r/pR3ppp/2p1p3/4b3/8/B5P1/P1P2P1P/3R2K1 w k - acd 5; acs 0; bm Re7+; c0 "level: easy-1"; c3 "Re7+"; ce 32764; dm 2; id "MG 0284"; pm Re7+; pv Re7+ Kf8 Rxd8#; 
3rkb1r/1p5p/p3pPpB/2p5/8/8/PPP3PP/3R1R1K w k - acd 5; acs 0; bm f7+; c0 "level: easy-1"; c3 "f7+"; ce 32764; dm 2; id "MG 0282"; pm f7+; pv f7+ Ke7 Bg5#; 
3RNbk1/pp3p2/4rQpp/8/1qr5/7P/P4P2/3R2K1 w - - acd 5; acs 0; bm Qg7+; c0 "level: easy-1"; c3 "Qg7+"; c4 "WinAtChess.188"; ce 32764; dm 2; id "MG 0634"; pm Qg7+; pv Qg7+ Bxg7 Nf6#; 
4b1k1/3n3R/n3p1p1/pp1pP1N1/2pP1rN1/2P5/PPB5/7K w - - acd 5; acs 0; bm Nh6+; c0 "level: easy-1"; c3 "Nh6+"; ce 32764; dm 2; id "MG 0269"; pm Nh6+; pv Nh6+ Kf8 Nxe6#; 
4k1r1/2p3r1/1pR1p3/3pP2p/3P2qP/P4N2/1PQ4P/5R1K b - - acd 5; acs 0; bm Qxf3+; c0 "level: easy-1"; c3 "Qxf3+"; c4 "WinAtChess.012"; ce 32764; dm 2; id "MG 0449"; pm Qxf3+; pv Qxf3+ Qg2 Qxg2#; 
4k2r/1p3pb1/2p5/4PN2/3Q1P2/2P1Bp1p/PP4rq/R4K2 b k - acd 5; acs 0; bm Rg1+; c0 "level: easy-1"; c3 "Rg1+"; ce 32764; dm 2; id "MG 0609"; pm Rg1+; pv Rg1+ Bxg1 Qe2#; 
4k2r/3qp3/K3N1P1/BB4p1/3b4/3Q1n2/1nb5/2RR4 w k - acd 5; acs 0; bm Qf5; c0 "level: easy-2"; c3 "Qf5"; ce 32764; dm 2; id "MG 1670"; pm Qf5; pv Qf5 Qc6+ Bxc6#; 
4k2r/pPpn1ppp/1b6/3R2B1/8/8/PP3PPP/6K1 w k - acd 5; acs 0; bm b8=Q+ b8=R+; c3 "b8=Q+ b8=R+"; ce 32764; dm 2; id "BWTC.0338"; pm b8=Q+; pv b8=Q+ Nxb8 Rd8#; 
4K3/5p2/4k3/2Q5/8/5B2/8/8 w - - acd 5; acs 0; bm Qg5; c0 "level: med-3"; c3 "Qg5"; ce 32764; dm 2; id "EG 0767"; pm Qg5; pv Qg5 f6 Qd5#; 
4kb1r/4n1pp/3pQ3/1pp3B1/2q5/5B2/1PP3PP/5R1K w k - acd 5; acs 0; bm Bc6+; c0 "level: easy-1"; c3 "Bc6+"; ce 32764; dm 2; id "MG 0553"; pm Bc6+; pv Bc6+ Kd8 Qd7#; 
4kb1r/p2n1ppp/4q3/4p1B1/4P3/1Q6/PPP2PPP/2KR4 w k - acd 5; acs 0; bm Qb8+; c0 "White Mates in 2. Morphy vs Duke Isouard, Paris, 1858"; c2 "Source: wtharvey.com"; c3 "Qb8+"; ce 32764; dm 2; id "wtharvey.com.04624"; pm Qb8+; pv Qb8+ Nxb8 Rd8#; 
4kn2/r4p1r/p3bQ2/q1nNP1Np/1p5P/8/PPP3P1/2KR3R w - - acd 5; acs 0; bm Qe7+; c0 "level: easy-1"; c3 "Qe7+"; c4 "WinAtChess.184"; ce 32764; dm 2; id "MG 0047"; pm Qe7+; pv Qe7+ Rxe7 Nf6#; 
4kqnr/p1r3pp/2p1p3/6B1/2NQ4/2P5/P4PPP/6K1 w k - acd 5; acs 0; bm Qd8+; c0 "level: easy-1"; c3 "Qd8+"; ce 32764; dm 2; id "MG 0557"; pm Qd8+; pv Qd8+ Kf7 Ne5#; 
4N1k1/p7/4b2p/3pPp1Q/2pB1P1K/2P3PP/7r/2q5 w - - acd 5; acs 0; bm Qg6+; c0 "level: easy-1"; c3 "Qg6+"; ce 32764; dm 2; id "MG 0381"; pm Qg6+; pv Qg6+ Kh8 Qg7#; 
4Q1RK/3N4/b4p2/R6p/3n1k1b/1r4n1/1B1P3N/1B6 w - - acd 5; acs 0; bm Nf8; c3 "Nf8"; ce 32764; dm 2; id "yacpdb id 331915"; pm Nf8; pv Nf8 f5 Qe5#; 
4Q3/B7/2Np4/2n5/r3P3/3k4/B1R1R3/7K w - - acd 5; acs 0; bm Qg6; c3 "Qg6"; ce 32764; dm 2; id "yacpdb id 331955"; pm Qg6; pv Qg6 d5 Qg3#; 
4QB2/1B1r2r1/1p2P2p/qp3Rp1/Rbbk4/N5N1/1PP2P1K/8 w - - acd 5; acs 0; bm Qh5; c3 "Qh5"; ce 32764; dm 2; id "yacpdb id 316813"; pm Qh5; pv Qh5 g4 Rf4#; 
4qknR/3b1pr1/4pQpN/3pP1N1/2pP4/1pP5/1P3PP1/6K1 w - - acd 5; acs 0; bm Nh7+ Rxg8+; c3 "Nh7+ Rxg8+"; ce 32764; dm 2; id "BWTC.0504"; pm Nh7+; pv Nh7+ Rxh7 Rxg8#; 
4r1k1/1p1b1ppp/1b1P4/p7/P1Q1q3/1P3N2/3B2PP/5K1R b - - acd 5; acs 0; bm Qxf3+; c0 "level: easy-1"; c3 "Qxf3+"; ce 32764; dm 2; id "MG 0165"; pm Qxf3+; pv Qxf3+ gxf3 Bh3#; 
4r1k1/1pp2pp1/3b1q1p/5Q2/3P4/2N2PN1/1PPK3P/r2R3R b - - acd 5; acs 0; bm Qxd4+; c0 "level: easy-1"; c3 "Qxd4+"; ce 32764; dm 2; id "MG 0604"; pm Qxd4+; pv Qxd4+ Qd3 Bf4#; 
4r1k1/ppq2ppp/2p1P1b1/2P5/8/1B5P/P1P2PP1/4R1K1 w - - acd 5; acs 0; bm exf7+; c0 "level: easy-1"; c3 "exf7+"; ce 32764; dm 2; id "MG 0671"; pm exf7+; pv exf7+ Qxf7 Rxe8#; 
4r1k1/q4p2/8/8/4n1P1/P6p/Q1P5/4BKR1 b - - acd 5; acs 0; bm Qf2+; c0 "level: easy-1"; c3 "Qf2+"; ce 32764; dm 2; id "MG 0210"; pm Qf2+; pv Qf2+ Bxf2 Nd2#; 
4R2b/3K4/2R5/p2k4/r7/3P4/4N3/8 w - - acd 5; acs 0; bm d4; c0 "level: easy-1"; c3 "d4"; ce 32764; dm 2; id "EG 0021"; pm d4; pv d4 Bg7 Rc5#; 
4r3/1b1q1p1k/pn2pBpp/1p2P3/3PPR1Q/1r6/6PP/3R2K1 w - - acd 5; acs 0; bm Qxh6+; c0 "level: easy-1"; c3 "Qxh6+"; ce 32764; dm 2; id "MG 0045"; pm Qxh6+; pv Qxh6+ Kxh6 Rh4#; 
4Rb1B/6q1/R7/n4pN1/2Bk4/N2p1K2/3Q4/3n4 w - - acd 5; acs 0; bm Re5 Rxa5; c3 "Re5 Rxa5"; ce 32764; dm 2; id "BWTC.0960"; pm Rxa5; pv Rxa5 f4 Ne6#; 
4rk2/pp3b2/2p1pR1P/4Q1p1/8/q1PB4/P1P5/1K6 w - - acd 5; acs 0; bm Rxf7+; c0 "level: easy-1"; c3 "Rxf7+"; ce 32764; dm 2; id "MG 0424"; pm Rxf7+; pv Rxf7+ Kg8 Qg7#; 
5B2/6R1/1r5k/1r1p1R2/p5Pp/P1P3n1/1P4P1/6K1 w - - acd 5; acs 0; bm Rh5+; c0 "level: easy-1"; c3 "Rh5+"; ce 32764; dm 2; id "MG 0236"; pm Rh5+; pv Rh5+ Nxh5 g5#; 
5K2/1P3NN1/5kpp/2p5/1r6/3b4/R7/2Q5 w - - acd 5; acs 0; bm Qc4; c3 "Qc4"; ce 32764; dm 2; id "yacpdb id 331953"; pm Qc4; pv Qc4 h5 Qe6#; 
5k2/5rq1/p1p1Q2R/1p2P3/6p1/8/PPP4P/7K w - - acd 5; acs 0; bm Qc8+; c0 "level: easy-1"; c3 "Qc8+"; ce 32764; dm 2; id "MG 0565"; pm Qc8+; pv Qc8+ Ke7 Re6#; 
5K2/6n1/4p3/8/3p3R/B3k1Np/3pppb1/1B1RNQn1 w - - acd 5; acs 0; bm Be4; c3 "Be4"; ce 32764; dm 2; id "yacpdb id 331923"; pm Be4; pv Be4 h2 Nc2#; 
5k2/6pp/p1qN4/1p1p4/3P4/2PKP2Q/PP3r2/3R4 b - - acd 5; acs 0; bm Qc4+; c0 "level: easy-1"; c3 "Qc4+"; c4 "WinAtChess.005"; ce 32764; dm 2; id "MG 0193"; pm Qc4+; pv Qc4+ Nxc4 bxc4#; 
5Q2/6p1/1p3q2/1P1B4/K6N/p2P4/2N1pk1B/5b2 w - - acd 5; acs 0; bm Qb4; c0 "level: easy-1"; c3 "Qb4"; ce 32764; dm 2; id "MG 0678"; pm Qb4; pv Qb4 g6 Qe1#; 
5Q2/8/1RK1p3/1NnP4/r1k1p3/q1p1R3/P7/2N2b2 w - - acd 5; acs 0; bm Nb3; c3 "Nb3"; ce 32764; dm 2; id "yacpdb id 331926"; pm Nb3; pv Nb3 e5 Nd6#; 
5r1k/6Rp/3p1PpN/4p1b1/4P3/8/8/7K w - - acd 5; acs 0; bm Rg8+; c0 "level: easy-1"; c3 "Rg8+"; c4 "POL-0656 Mate in two"; ce 32764; dm 2; id "EG 0005"; pm Rg8+; pv Rg8+ Rxg8 Nf7#; 
5r1k/p1p3p1/6p1/3Q4/7K/2P1b1P1/PP3n1P/RN4r1 b - - acd 5; acs 0; bm Rf4+; c0 "level: easy-1"; c3 "Rf4+"; ce 32764; dm 2; id "MG 0306"; pm Rf4+; pv Rf4+ g4 Rgxg4#; 
5r1k/pb4pp/1ppr4/6N1/2p2N2/4P3/PP4PP/5RK1 w - - acd 5; acs 0; bm Ng6+; c0 "level: easy-1"; c3 "Ng6+"; ce 32764; dm 2; id "MG 0283"; pm Ng6+; pv Ng6+ Rxg6 Rxf8#; 
5r2/6pb/1p3r2/2pQ3B/R6p/3pPp1P/2PNk1n1/2KN1R2 w - - acd 5; acs 0; bm Rg4; c3 "Rg4"; ce 32764; dm 2; id "yacpdb id 332017"; pm Rg4; pv Rg4 g6 Rxg2#; 
5rk1/1p3p1R/5b2/5N1Q/P2P4/2p1P2P/3q1PP1/6K1 w - - acd 5; acs 0; bm Rg7+; c0 "level: easy-1"; c3 "Rg7+"; ce 32764; dm 2; id "MG 0377"; pm Rg7+; pv Rg7+ Bxg7 Ne7#; 
5rk1/1p6/p1n1rPp1/2p5/2P1p2R/1P2P2P/PBq3P1/5RK1 w - - acd 5; acs 0; bm f7+; c0 "level: easy-1"; c3 "f7+"; ce 32764; dm 2; id "MG 0270"; pm f7+; pv f7+ Rxf7 Rh8#; 
5rk1/1R1R3p/2p3p1/2Q5/8/1K2p3/2Pr4/q7 w - - acd 5; acs 0; bm Qxf8+; c0 "level: easy-1"; c3 "Qxf8+"; ce 32764; dm 2; id "MG 0070"; pm Qxf8+; pv Qxf8+ Kxf8 Rb8#; 
5rk1/2p4p/bp4p1/p1pPp3/2n1N3/3B1P1r/PPQ1RKP1/4R2q b - - acd 5; acs 0; bm Rfxf3+ Rhxf3+; c3 "Rfxf3+ Rhxf3+"; ce 32764; dm 2; id "BWTC.0637"; pm Rhxf3+; pv Rhxf3+ gxf3 Rxf3#; 
5rk1/p4ppp/1n6/1Q2p3/P1p1Pq2/5n2/4BPKP/B2R4 b - - acd 5; acs 0; bm Qxh2+; c0 "level: easy-1"; c3 "Qxh2+"; ce 32764; dm 2; id "MG 0428"; pm Qxh2+; pv Qxh2+ Kf1 Qg1#; 
5rk1/pbp2ppp/6r1/2P5/2PbB3/7q/P2PQPPP/1RB2RK1 b - - acd 5; acs 0; bm Rxg2+; c0 "level: easy-1"; c3 "Rxg2+"; c4 "POL-1302 Mate in two"; ce 32764; dm 2; id "MG 0445"; pm Rxg2+; pv Rxg2+ Bxg2 Qxg2#; 
5rk1/pp2b1pp/1q2p3/1b1p4/8/1Q6/PPN3PP/R1B3NK b - - acd 5; acs 0; bm Qxg1+; c0 "level: easy-1"; c3 "Qxg1+"; ce 32764; dm 2; id "MG 0189"; pm Qxg1+; pv Qxg1+ Kxg1 Rf1#; 
5rk1/R7/p3n1pP/4N3/4K3/8/8/8 w - - acd 5; acs 0; bm h7+; c0 "level: easy-1"; c3 "h7+"; ce 32764; dm 2; id "EG 0004"; pm h7+; pv h7+ Kh8 Nxg6#; 
5rkr/1p3ppp/8/p7/4R3/Q7/PPPq2PP/4R2K w - - acd 5; acs 0; bm Qxf8+; c0 "level: easy-1"; c3 "Qxf8+"; c4 "Reinfeld.671.1001"; ce 32764; dm 2; id "WCSAC.0671"; pm Qxf8+; pv Qxf8+ Kxf8 Re8#; 
6b1/6b1/K1N5/npp3Q1/2k5/1n5R/B2P4/8 w - - acd 5; acs 0; bm d4; c3 "d4"; ce 32764; dm 2; id "yacpdb id 339153"; pm d4; pv d4 cxd4 Qxb5#; 
6bk/6pp/5p2/5Q2/3B4/8/8/2K5 w - - acd 5; acs 0; bm Qxf6; c0 "level: easy-1"; c3 "Qxf6"; ce 32764; dm 2; id "EG 0015"; pm Qxf6; pv Qxf6 h6 Qxg7#; 
6k1/1p3pp1/4p2p/3b4/4r2P/1p4Pq/1B3Q2/3R2K1 b - - acd 5; acs 0; bm Re1+; c0 "level: easy-1"; c3 "Re1+"; ce 32764; dm 2; id "MG 0471"; pm Re1+; pv Re1+ Qf1 Qg2#; 
6k1/1pp5/p1b4p/8/5pPP/7K/PR1R1NP1/r5r1 b - - acd 5; acs 0; bm Rh1+; c0 "level: easy-1"; c3 "Rh1+"; ce 32764; dm 2; id "MG 0675"; pm Rh1+; pv Rh1+ Nxh1 Rxh1#; 
6k1/2B1bppp/p7/1p1r4/8/2Pn1pPq/PPQ2P1P/R5RK b - - acd 5; acs 0; bm Qxh2+; c0 "level: easy-1"; c3 "Qxh2+"; c4 "POL-1409 Mate in two"; ce 32764; dm 2; id "MG 0221"; pm Qxh2+; pv Qxh2+ Kxh2 Rh5#; 
6k1/2P3p1/4p3/3b4/p7/6qP/3Q2P1/1rR3K1 b - - acd 5; acs 0; bm Rxc1+; c0 "level: easy-1"; c3 "Rxc1+"; ce 32764; dm 2; id "MG 0439"; pm Rxc1+; pv Rxc1+ Qe1 Rxe1#; 
6k1/5p1p/1p2p1p1/8/5P1P/1KPR1RP1/r3r3/8 b - - acd 5; acs 0; bm Reb2+; c0 "level: easy-1"; c3 "Reb2+"; ce 32764; dm 2; id "MG 0316"; pm Reb2+; pv Reb2+ Kc4 Ra4#; 
6k1/5ppp/4b3/p1q5/5K2/4P3/r5PP/3Q3R b - - acd 5; acs 0; bm Qf5+; c0 "level: easy-1"; c3 "Qf5+"; ce 32764; dm 2; id "MG 0592"; pm Qf5+; pv Qf5+ Kg3 Qf2#; 
6k1/6pp/1p4q1/p1pP1p2/P3BPb1/1Pb1B3/5QKP/5R2 b - - acd 5; acs 0; bm Bf3+; c0 "level: easy-1"; c3 "Bf3+"; ce 32764; dm 2; id "MG 0655"; pm Bf3+; pv Bf3+ Kh3 Qg4#; 
6k1/6pp/p1p3r1/1p1pP3/3P3n/1B5b/PP3B1P/2R4K b - - acd 5; acs 0; bm Bg2+; c0 "level: easy-1"; c3 "Bg2+"; ce 32764; dm 2; id "MG 0304"; pm Bg2+; pv Bg2+ Kg1 Nf3#; 
6k1/p1p3p1/2p3rp/P2p1p1P/1BbPnP2/2P1PK2/1r2N1P1/R3R3 b - - acd 5; acs 0; bm Bxe2+ Rg3+; c3 "Bxe2+ Rg3+"; ce 32764; dm 2; id "BWTC.0396"; pm Bxe2+; pv Bxe2+ Rxe2 Rg3#; 
6k1/pp3p1p/2p3p1/3p4/1P1P1q2/P4N1P/3Qn1B1/1RR2n1K b - - acd 5; acs 0; bm Qh2+; c0 "level: easy-1"; c3 "Qh2+"; ce 32764; dm 2; id "MG 0180"; pm Qh2+; pv Qh2+ Nxh2 Nfg3#; 
6k1/ppp3pp/2n1p3/8/3Pq3/PN4Q1/1P3rRP/5rRK b - - acd 5; acs 0; bm Rxg1+; c0 "level: easy-1"; c3 "Rxg1+"; ce 32764; dm 2; id "MG 0441"; pm Rxg1+; pv Rxg1+ Kxg1 Qe1#; 
6k1/ppp3pp/4p2r/2b1p3/2QnP3/6P1/PPP3P1/R3R1K1 b - - acd 5; acs 0; bm Ne2+; c0 "level: easy-1"; c3 "Ne2+"; ce 32764; dm 2; id "MG 0331"; pm Ne2+; pv Ne2+ Kf1 Nxg3#; 
6k1/ppp3pp/8/8/6Q1/6PP/PP1qN2K/5r1R b - - acd 5; acs 0; bm Rf2+; c0 "level: easy-1"; c3 "Rf2+"; ce 32764; dm 2; id "MG 0433"; pm Rf2+; pv Rf2+ Kg1 Qe1#; 
6k1/R5p1/1p5p/8/3rN3/5PPb/PPr4P/4R1K1 w - - acd 5; acs 0; bm Nf6+; c0 "level: easy-1"; c3 "Nf6+"; ce 32764; dm 2; id "MG 0260"; pm Nf6+; pv Nf6+ gxf6 Re8#; 
6R1/1p1r1p1p/p2q2pk/2R5/3P4/6N1/PP3PPP/6K1 w - - acd 5; acs 0; bm Rh5+; c0 "level: easy-1"; c3 "Rh5+"; ce 32764; dm 2; id "MG 0226"; pm Rh5+; pv Rh5+ gxh5 Nf5#; 
6R1/4qp1p/ppr1n1pk/8/1P2P1QP/6N1/P4PP1/6K1 w - - acd 5; acs 0; bm Qh5+; c0 "level: easy-2"; c3 "Qh5+"; c4 "WinAtChess.246"; ce 32764; dm 2; id "MG 1627"; pm Qh5+; pv Qh5+ gxh5 Nf5#; 
6r1/p1p1R3/3p2pk/5bRp/7P/5P2/P5P1/1rB3K1 w - - acd 5; acs 0; bm Rxh5+; c0 "level: easy-1"; c3 "Rxh5+"; ce 32764; dm 2; id "MG 0224"; pm Rxh5+; pv Rxh5+ Kxh5 Rh7#; 
6R1/p4p2/1p2q2p/8/6Pk/8/PP2r1PK/3Q4 w - - acd 5; acs 0; bm Qe1+; c0 "level: easy-1"; c3 "Qe1+"; c4 "POL-1196 Mate in two"; ce 32764; dm 2; id "MG 0032"; pm Qe1+; pv Qe1+ Rf2 Qxf2#; 
6rk/1pp3qp/3p4/p7/2P5/1P1Q4/P5rP/3R1R1K b - - acd 5; acs 0; bm Rxh2+; c0 "level: easy-1"; c3 "Rxh2+"; ce 32764; dm 2; id "MG 0475"; pm Rxh2+; pv Rxh2+ Kxh2 Qg2#; 
6rk/1q1n1prp/p3pN1Q/1p1b4/6R1/6P1/PP2PP1P/3R2K1 w - - acd 5; acs 0; bm Qxh7+; c0 "level: easy-1"; c3 "Qxh7+"; ce 32764; dm 2; id "MG 0081"; pm Qxh7+; pv Qxh7+ Rxh7 Rxg8#; 
7b/8/3r2p1/2p3Q1/2B1k3/8/5BK1/1N6 w - - acd 5; acs 0; bm Bd4; c3 "Bd4"; ce 32764; dm 2; id "yacpdb id 331957"; pm Bd4; pv Bd4 cxd4 Nd2#; 
7b/RR2p2K/2k5/3r1N1p/p3r3/Q3N3/7B/1b5B w - - acd 5; acs 0; bm Rb8; c3 "Rb8"; ce 32764; dm 2; id "yacpdb id 331958"; pm Rb8; pv Rb8 h4 Rc7#; 
7k/1bpp2p1/3bp3/p4B2/2P5/P3BrPq/1PQ2P1P/4RRK1 b - - acd 5; acs 0; bm Qg2+; c0 "level: easy-1"; c3 "Qg2+"; c4 "Reinfeld.418.1001"; ce 32764; dm 2; id "WCSAC.0418"; pm Qg2+; pv Qg2+ Kxg2 Rxg3#; 
7K/1nQp2pp/3N3r/nBpk3r/3b2N1/8/4R3/3R4 w - - acd 5; acs 0; bm Ne4; c3 "Ne4"; ce 32764; dm 2; id "yacpdb id 32503"; pm Ne4; pv Ne4 g6+ Nef6#; 
7k/1pr4q/p4N2/4PQ2/2nn1P2/8/PP5P/6RK w - - acd 5; acs 0; bm Qxh7+; c0 "level: easy-1"; c3 "Qxh7+"; ce 32764; dm 2; id "MG 0371"; pm Qxh7+; pv Qxh7+ Rxh7 Rg8#; 
7k/2p1Q1pp/P7/P1p3R1/3q4/5PK1/8/7r b - - acd 5; acs 0; bm Qh4+; c0 "level: easy-1"; c3 "Qh4+"; ce 32764; dm 2; id "MG 0606"; pm Qh4+; pv Qh4+ Kg2 Qh2#; 
7K/8/8/5k1P/2P1R1NP/4Pn2/2Qn4/8 w - - acd 5; acs 0; bm Qd1; c3 "Qd1"; ce 32764; dm 2; id "yacpdb id 180781"; pm Qd1; pv Qd1 Nd4 Re5#; 
7k/pb5p/1p5P/2pp1Q2/8/2NP4/PPP3q1/2K5 w - - acd 5; acs 0; bm Qe5+ Qf8+; c3 "Qe5+ Qf8+"; ce 32764; dm 2; id "Leonid.157848"; pm Qe5+; pv Qe5+ Qg7 Qxg7#; 
7k/pp4np/2p3p1/3pN1q1/3P4/Q7/1r3rPP/2R2RK1 w - - acd 5; acs 0; bm Qf8+; c0 "level: easy-1"; c3 "Qf8+"; c4 "WinAtChess.027"; ce 32764; dm 2; id "MG 0142"; pm Qf8+; pv Qf8+ Rxf8 Rxf8#; 
7k/pp5p/6pb/4n3/4p3/N1P4P/PPqPN1P1/R1B1K3 b Q - acd 5; acs 0; bm Nd3+; c0 "level: easy-1"; c3 "Nd3+"; ce 32764; dm 2; id "MG 0586"; pm Nd3+; pv Nd3+ Kf1 Qd1#; 
7Q/2PK1n2/4P1N1/1pR5/rb2kNP1/p2n2R1/2B5/3r4 w - - acd 5; acs 0; bm Ne2; c3 "Ne2"; ce 32764; dm 2; id "yacpdb id 338502"; pm Ne2; pv Ne2 Nfe5+ Rxe5#; 
7r/1p3Q1p/2q5/3bk3/1Q2p3/2P5/r2P2PP/2KR4 w - - acd 5; acs 0; bm d4+; c0 "level: easy-1"; c3 "d4+"; c4 "POL-1114 Mate in two"; ce 32764; dm 2; id "MG 0509"; pm d4+; pv d4+ exd3 Qbf4#; 
7R/1rnn2B1/2B2r2/1p6/2kpP3/bRPN1p2/2Q5/3K4 w - - acd 5; acs 0; bm Rb4+ Rc8; c3 "Rb4+ Rc8"; ce 32764; dm 2; id "yacpdb id 332018"; pm Rb4+; pv Rb4+ Bxb4 cxb4#; 
7R/5p1p/3p1Npk/4n1r1/4P2K/r7/2P2R1P/8 b - - acd 5; acs 0; bm Rh5+; c0 "level: easy-1"; c3 "Rh5+"; ce 32764; dm 2; id "MG 0311"; pm Rh5+; pv Rh5+ Nxh5 g5#; 
7r/6k1/4bpp1/p2p1q1p/3b1P2/1Br4P/2P1R1PK/4QR2 b - - acd 5; acs 0; bm Rxh3+; c0 "level: easy-1"; c3 "Rxh3+"; ce 32764; dm 2; id "MG 0460"; pm Rxh3+; pv Rxh3+ gxh3 Qxh3#; 
7r/ppNkn1pp/2n1p3/8/1b3B2/8/PPb1KPPP/R4B1R b - - acd 5; acs 0; bm Nd4+; c0 "level: easy-1"; c3 "Nd4+"; c4 "Reinfeld.904.1001"; ce 32764; dm 2; id "WCSAC.0904"; pm Nd4+; pv Nd4+ Ke3 Nef5#; 
8/1pr1q3/1b1R4/p1k1PPP1/P1p1p3/1PBpP2Q/6K1/8 w - - acd 5; acs 0; bm b4+; c0 "level: easy-1"; c3 "b4+"; ce 32764; dm 2; id "MG 0530"; pm b4+; pv b4+ axb4 Bd4#; 
8/1QppK1B1/8/1n6/1Nk1N3/8/1RB5/r2r4 w - - acd 5; acs 0; bm Nc6; c3 "Nc6"; ce 32764; dm 2; id "yacpdb id 332023"; pm Nc6; pv Nc6 d6 Qxb5#; 
8/2K2Q2/2B5/4k3/R6r/4Bb2/8/8 w - - acd 5; acs 0; bm Be4; c3 "Be4"; ce 32764; dm 2; id "yacpdb id 338501"; pm Be4; pv Be4 Bg4 Bf4#; 
8/2Q5/8/3kbK2/r4R2/8/4N3/8 w - - acd 5; acs 0; bm Rd4+; c0 "level: easy-1"; c3 "Rd4+"; ce 32764; dm 2; id "EG 0017"; pm Rd4+; pv Rd4+ Rxd4 Nc3#; 
8/2QNpKpr/1p4P1/nrBk1Nb1/1pR3p1/1n1Ppq2/8/7B w - - acd 5; acs 0; bm Bxb4; c3 "Bxb4"; ce 32764; dm 2; id "yacpdb id 331920"; pm Bxb4; pv Bxb4 g3 Bxf3#; 
8/4K3/1N2p3/1p2kPpN/p1bp2P1/2RB3p/Q7/B1n4r w - - acd 5; acs 0; bm Bb1; c3 "Bb1"; ce 32764; dm 2; id "yacpdb id 332019"; pm Bb1; pv Bb1 h2 Re3#; 
8/4nQp1/6P1/N1Kpk2p/3p3P/2Npb1P1/3P4/4R3 w - - acd 5; acs 0; bm Ne4; c3 "Ne4"; ce 32764; dm 2; id "yacpdb id 39855"; pm Ne4; pv Ne4 dxe4 Nc4#; 
8/4r3/1pBN2b1/1K1p4/3k1BP1/1R6/4P3/8 w - - acd 5; acs 0; bm Ne4; c0 "level: easy-1"; c3 "Ne4"; ce 32764; dm 2; id "EG 0020"; pm Ne4; pv Ne4 dxe4 e3#; 
8/5p2/2pQ1p2/3b3K/n2P1N2/1Pr1k3/1BP1P2R/4R2B w - - acd 5; acs 0; bm Nd3; c3 "Nd3"; ce 32764; dm 2; id "yacpdb id 331960"; pm Nd3; pv Nd3 Bf3+ exf3#; 
8/5p2/R2P1p1N/1p2kB1P/1N1n1q2/K5R1/PQ5B/4r3 w - - acd 5; acs 0; bm Rc3; c3 "Rc3"; ce 32764; dm 2; id "yacpdb id 168110"; pm Rc3; pv Rc3 Nc2+ Rxc2#; 
8/6pk/p5p1/8/1pB1n3/1P2bbP1/P4r1P/5RK1 b - - acd 5; acs 0; bm Rg2+; c0 "level: med-3"; c3 "Rg2+"; ce 32764; dm 2; id "MG 1951"; pm Rg2+; pv Rg2+ Kh1 Rg1#; 
8/8/1p6/1P6/1R2K3/4R3/BBkp4/5N2 w - - acd 5; acs 0; bm Ba3; c0 "level: med-4"; c3 "Ba3"; ce 32764; dm 2; id "EG 0909"; pm Ba3; pv Ba3 d1=Q Rc4#; 
8/8/4bp2/4p3/4P3/k1Nr1P2/1pR5/1K6 b - - acd 5; acs 0; bm Rd1+; c0 "level: easy-1"; c3 "Rd1+"; ce 32764; dm 2; id "EG 0010"; pm Rd1+; pv Rd1+ Rc1 bxc1=Q#; 
8/8/P7/8/8/7k/7p/4n2K b - - acd 5; acs 0; bm Nd3; c0 "level: easy-1"; c3 "Nd3"; ce 32764; dm 2; id "EGN 0001"; pm Nd3; pv Nd3 a7 Nf2#; 
8/B3ppKb/R1r3pQ/3pk3/qP1RN3/2p4B/8/5n2 w - - acd 5; acs 0; bm Nc5; c3 "Nc5"; ce 32764; dm 2; id "yacpdb id 338479"; pm Nc5; pv Nc5 g5 Nd7#; 
8/Bp3r2/3P3R/1N1kN2R/p1n1pP2/r1Q4K/2n2P2/6b1 w - - acd 5; acs 0; bm f3; c3 "f3"; ce 32764; dm 2; id "yacpdb id 331925"; pm f3; pv f3 e3 Qxc4#; 
8/K1N2p2/B1p5/2k1B3/7r/8/Q7/5b2 w - - acd 5; acs 0; bm Bc4; c3 "Bc4"; ce 32764; dm 2; id "yacpdb id 331954"; pm Bc4; pv Bc4 f6 Na6#; 
8/N3n3/2p5/3B1RK1/3k4/npR1pPB1/3P4/Nr6 w - - acd 5; acs 0; bm Be4; c3 "Be4"; ce 32764; dm 2; id "yacpdb id 331921"; pm Be4; pv Be4 e2 Be5#; 
8/p1pk2Bp/8/1p3R2/4r2p/KP1n2P1/P1b4P/5R2 b - - acd 5; acs 0; bm Ra4+; c0 "level: easy-1"; c3 "Ra4+"; c4 "Reinfeld.813.1001"; ce 32764; dm 2; id "WCSAC.0813"; pm Ra4+; pv Ra4+ bxa4 b4#; 
8/p2Q4/N1Pp3r/K1PkBB2/R1N5/3n4/3R1p2/3r4 w - - acd 5; acs 0; bm Qb7; c3 "Qb7"; ce 32764; dm 2; id "yacpdb id 331924"; pm Qb7; pv Qb7 f1=Q c7#; 
8/pkb5/2p1p3/2Q5/2N1Kn2/4B3/PP2q3/8 b - - acd 5; acs 0; bm Qc2+; c0 "level: easy-1"; c3 "Qc2+"; ce 32764; dm 2; id "MG 0572"; pm Qc2+; pv Qc2+ Kd4 Ne2#; 
B2N4/B3p3/R2p1pKQ/2p1k1p1/3p1p2/4p1P1/8/3R4 w - - acd 5; acs 0; bm Qh2; c0 "level: med-7"; c3 "Qh2"; ce 32764; dm 2; id "MG 2673"; pm Qh2; pv Qh2 g4 gxf4#; 
b2q2Rr/BNkPN2R/P1P5/K2p4/n3p2p/3r4/2Q5/8 w - - acd 5; acs 0; bm Bd4; c3 "Bd4"; ce 32764; dm 2; id "yacpdb id 8879"; pm Bd4; pv Bd4 Kb8+ c7#; 
b3r1k1/p4ppp/1pq5/8/8/1P1P2P1/P1P2QNP/3B2K1 b - - acd 5; acs 0; bm Re1+; c0 "level: easy-1"; c3 "Re1+"; c4 "Reinfeld.463.1001"; ce 32764; dm 2; id "WCSAC.0463"; pm Re1+; pv Re1+ Qf1 Qxg2#; 
b4B2/2p1K3/r7/2k5/2p5/4PB2/1R2Q3/8 w - - acd 5; acs 0; bm Bc6; c0 "level: med-3"; c3 "Bc6"; ce 32764; dm 2; id "MG 1971"; pm Bc6; pv Bc6 c3 Qb5#; 
b7/2K5/5N2/2k5/Q7/2p5/6B1/3r4 w - - acd 5; acs 0; bm Bd5; c0 "level: easy-1"; c3 "Bd5"; ce 32764; dm 2; id "EG 0019"; pm Bd5; pv Bd5 c2 Qc4#; 
b7/4N1B1/B7/r3PK2/p2k4/8/8/2R1R3 w - - acd 5; acs 0; bm Nd5; c3 "Nd5"; ce 32764; dm 2; id "yacpdb id 331916"; pm Nd5; pv Nd5 a3 Red1#; 
b7/5Q2/8/2K1k2p/7r/8/3NP3/8 w - - acd 5; acs 0; bm e4; c0 "level: easy-1"; c3 "e4"; ce 32764; dm 2; id "EG 0022"; pm e4; pv e4 Bb7 Qf5#; 
B7/8/5N2/8/r7/p3k1K1/8/3Q3b w - - acd 5; acs 0; bm Be4; c0 "level: easy-1"; c3 "Be4"; ce 32764; dm 2; id "EG 0018"; pm Be4; pv Be4 a2 Qd3#; 
K3N2b/8/p2n3q/R1BN1Rn1/2k5/ppP2bp1/1P1Q4/r7 w - - acd 5; acs 0; bm Ba7; c3 "Ba7"; ce 32764; dm 2; id "yacpdb id 243626"; pm Ba7; pv Ba7 Bxd5+ Qxd5#; 
K4N2/5p2/N4Q2/1P1k1P2/3r4/1Pnn1RP1/4P3/2q3bB w - - acd 5; acs 0; bm Ng6; c3 "Ng6"; ce 32764; dm 2; id "yacpdb id 13070"; pm Ng6; pv Ng6 fxg6 Qe6#; 
k7/p2P4/3Q4/Kp5p/4P1p1/N1P5/q4r2/8 w - - acd 5; acs 0; bm Qc6+ d8=Q+ d8=R+; c3 "Qc6+ d8=Q+ d8=R+"; ce 32764; dm 2; id "BWTC.0922"; pm d8=Q+; pv d8=Q+ Kb7 Q8b8#; 
KB2B3/4R3/p7/3k4/1Q1N2n1/8/8/2r1nr1b w - - acd 5; acs 0; bm Ne2; c0 "level: med-3"; c3 "Ne2"; ce 32764; dm 2; id "MG 1970"; pm Ne2; pv Ne2 a5 Qd4#; 
KN1R1B2/5pP1/p1p2pP1/r2Pk3/qnR4n/b6Q/2b2N1P/2r5 w - - acd 5; acs 0; bm Qd7 gxf7; c3 "Qd7 gxf7"; ce 32764; dm 2; id "yacpdb id 339152"; pm gxf7; pv gxf7 f5 Qc3#; 
krN5/1n6/2Q5/qN6/PpK5/1P6/8/R7 w - - acd 5; acs 0; bm Ra2; c3 "Ra2"; ce 32764; dm 2; id "yacpdb id 331918"; pm Ra2; pv Ra2 Qxb5+ axb5#; 
N1bq1b1r/pp1k2pp/3P1p2/3P1n2/3n1B2/5N2/PPP1Q1PP/R3KB1R w KQ - acd 5; acs 0; bm Qb5+ Qe6+; c3 "Qb5+ Qe6+"; ce 32764; dm 2; id "BWTC.0683"; pm Qe6+; pv Qe6+ Nxe6 Bb5#; 
N1k1rb1r/1p4p1/n1Npbp1p/Q2p4/8/4B2q/PPP2P1P/1K1R2R1 w - - acd 5; acs 0; bm Qc7+; c0 "level: easy-1"; c3 "Qc7+"; ce 32764; dm 2; id "MG 0077"; pm Qc7+; pv Qc7+ Nxc7 Nb6#; 
n2b4/1p2R3/8/4Q3/k7/5RK1/3B4/8 w - - acd 5; acs 0; bm Rh7; c3 "Rh7"; ce 32764; dm 2; id "yacpdb id 31728"; pm Rh7; pv Rh7 Bh4+ Rxh4#; 
Q7/ppp2k1p/3p2p1/5b2/4P1nq/2P4P/PP1P1bP1/RN3R1K b - - acd 5; acs 0; bm Qg3 Qxh3+; c3 "Qg3 Qxh3+"; ce 32764; dm 2; id "BWTC.0244"; pm Qxh3+; pv Qxh3+ gxh3 Bxe4#; 
qn1kr2r/1pRbb3/pP5p/P2pP1pP/3N1pQ1/3B4/3B1PP1/R5K1 w - - acd 5; acs 134; bm Qxd7+; c0 "level: easy-1"; c3 "Qxd7+"; c4 "Reinfeld.879.1001"; ce 32764; dm 2; id "WCSAC.0879"; pm Qxd7+; pv Qxd7+ Nxd7 Ne6#; 
r1b1k1nr/pppp1pp1/5q2/7p/3PP1n1/5BKP/PPP3P1/RNBQ3R b kq - acd 5; acs 0; bm h4+; c0 "level: easy-1"; c3 "h4+"; ce 32764; dm 2; id "MG 0589"; pm h4+; pv h4+ Kxg4 d6#; 
r1b1k1nr/ppQp3p/3P4/8/3nP3/2b5/P1P3PP/5RK1 w kq - acd 5; acs 0; bm Qd8+; c0 "level: easy-1"; c3 "Qd8+"; ce 32764; dm 2; id "MG 0067"; pm Qd8+; pv Qd8+ Kxd8 Rf8#; 
r1b1k2r/pppp1ppp/2n2q2/2b1P3/4P3/2P3P1/PP1PN1Bn/RNBQKR2 b Qkq - acd 5; acs 0; bm Qxf1+; c0 "level: easy-1"; c3 "Qxf1+"; ce 32764; dm 2; id "OP 0004"; pm Qxf1+; pv Qxf1+ Bxf1 Nf3#; 
r1b1qb1r/ppp3k1/2np3p/4P2n/2BP2pB/3Q4/PPP5/RN3RK1 w - - acd 5; acs 0; bm Bf6+; c0 "level: easy-1"; c3 "Bf6+"; ce 32764; dm 2; id "MG 0393"; pm Bf6+; pv Bf6+ Nxf6 exf6#; 
r1b1qN1k/1pp3p1/p2p3n/4p1B1/8/1BP4Q/PP3KPP/8 w - - acd 5; acs 0; bm Qxh6+; c0 "level: easy-1"; c3 "Qxh6+"; c4 "Reinfeld.726.1001"; ce 32764; dm 2; id "WCSAC.0726"; pm Qxh6+; pv Qxh6+ gxh6 Bf6#; 
r1b1qr2/ppp2p1k/2np2pB/2b1pP1Q/2B1P3/2NP4/PPP3P1/R4K1R w - - acd 5; acs 0; bm Qxg6+; c0 "level: easy-1"; c3 "Qxg6+"; c4 "POL-UNK {The unknown Polgar}"; ce 32764; dm 2; id "MG 0097"; pm Qxg6+; pv Qxg6+ fxg6 Bxf8#; 
r1b1r1k1/p5pp/2p3q1/2pP1p2/5Bn1/1PNB1K2/P1PQ1PP1/R4R2 b - - acd 5; acs 0; bm Nh2+; c0 "level: easy-1"; c3 "Nh2+"; ce 32764; dm 2; id "MG 0437"; pm Nh2+; pv Nh2+ Bxh2 Qg4#; 
r1b1Rbkr/pp4pp/2p3n1/3p2BB/8/2N2R2/PPP2PPP/2K5 w - - acd 5; acs 0; bm Rexf8+; c0 "level: easy-1"; c3 "Rexf8+"; ce 32764; dm 2; id "MG 0232"; pm Rexf8+; pv Rexf8+ Nxf8 Bf7#; 
r1b2k1r/1p2bppp/p1B2q2/8/8/8/PPPQ1P1P/2KRR3 w - - acd 5; acs 0; bm Qd8+; c0 "level: easy-1"; c3 "Qd8+"; ce 32764; dm 2; id "MG 0048"; pm Qd8+; pv Qd8+ Bxd8 Re8#; 
r1b2k1r/ppppq3/5N1p/4P2Q/4PP2/1B6/PP5P/n2K2R1 w - - acd 5; acs 0; bm Qxh6+; c0 "White Mates in 2. Wilhelm Steinitz vs Albert Hodges, New York, 1891"; c2 "Source: wtharvey.com"; c3 "Qxh6+"; c4 "POL-0478 Mate in two"; ce 32764; dm 2; id "wtharvey.com.08604"; pm Qxh6+; pv Qxh6+ Qg7 Qxg7#; 
r1b2rk1/2p2ppp/p7/1p6/3P3q/1BP3bP/PP3QP1/RNB1R1K1 w - - acd 5; acs 0; bm Qxf7+; c0 "White Mates in 2. Sery vs Z Vecsey, Brunn, 1921"; c2 "Source: wtharvey.com"; c3 "Qxf7+"; c4 "WinAtChess.154"; ce 32764; dm 2; id "wtharvey.com.08730"; pm Qxf7+; pv Qxf7+ Rxf7 Re8#; 
r1b2rk1/pp3p1p/3p2p1/2pPp3/2PbPPnq/3B3P/PPQ3P1/R1BN1R1K b - - acd 5; acs 0; bm Qg3; c0 "level: easy-1"; c3 "Qg3"; c4 "POL-1339 Mate in two"; ce 32764; dm 2; id "MG 0451"; pm Qg3; pv Qg3 h4 Qh2#; 
r1b2rk1/pp3ppp/3p4/3Q1nq1/2B1R3/8/PP3PPP/R5K1 w - - acd 5; acs 0; bm Qxf7+; c0 "White Mates in 2. Euwe vs A Van Mindeno, Netherlands, 1927"; c2 "Source: wtharvey.com"; c3 "Qxf7+"; ce 32764; dm 2; id "wtharvey.com.08840"; pm Qxf7+; pv Qxf7+ Rxf7 Re8#; 
r1b3k1/ppn1R2r/2N2Q1p/6pP/1Bp3P1/3q4/PP3P2/6K1 w - - acd 5; acs 0; bm Re8+; c0 "level: easy-1"; c3 "Re8+"; ce 32764; dm 2; id "MG 0489"; pm Re8+; pv Re8+ Nxe8 Qf8#; 
r1b3kr/2p3p1/3bn1Qp/p7/1p4N1/2B5/PPP2PPP/4K2R w K - acd 5; acs 0; bm Nf6+; c0 "level: easy-1"; c3 "Nf6+"; ce 32764; dm 2; id "MG 0551"; pm Nf6+; pv Nf6+ Kf8 Qe8#; 
r1b3nr/ppqk1Bbp/2pp4/4P1B1/3n4/3P4/PPP2QPP/R4RK1 w - - acd 5; acs 0; bm Qf5+; c0 "White Mates in 2. Aaron Nimzowitsch vs Gustav Neumann, Riga, 1899"; c2 "Source: wtharvey.com"; c3 "Qf5+"; c4 "POL-0807 Mate in two"; ce 32764; dm 2; id "wtharvey.com.08940"; pm Qf5+; pv Qf5+ Ne6 Qxe6#; 
r1b4R/ppp2rk1/2q1p1N1/n3PpB1/3P4/n1PB4/P3QPP1/R3K3 w Q - acd 5; acs 0; bm Bh6+; c0 "level: easy-1"; c3 "Bh6+"; ce 32764; dm 2; id "MG 0399"; pm Bh6+; pv Bh6+ Kxg6 Qg4#; 
r1b4r/pppk1Npp/5n2/8/2Bp4/Bn6/P4PPP/4R1K1 w - - acd 5; acs 0; bm Bb5+; c0 "level: easy-1"; c3 "Bb5+"; ce 32764; dm 2; id "MG 0279"; pm Bb5+; pv Bb5+ c6 Re7#; 
r1bB1rk1/pp3ppp/2n5/2b1p3/2P1n3/3P4/PP3PPP/R2QKBNR b KQ - acd 5; acs 0; bm Bxf2+; c0 "level: easy-1"; c3 "Bxf2+"; ce 32764; dm 2; id "MG 0309"; pm Bxf2+; pv Bxf2+ Ke2 Nd4#; 
r1bk1bnr/3npppp/pp6/B2N4/2pN4/8/PP2PPPP/R3KB1R w KQ - acd 5; acs 0; bm Nc6+; c0 "level: easy-1"; c3 "Nc6+"; ce 32764; dm 2; id "MG 0281"; pm Nc6+; pv Nc6+ Ke8 Nc7#; 
r1bk2nr/p2p1pNp/n2B4/1p1NP2P/6P1/3P1Q2/P1P1K3/q5b1 w - - acd 5; acs 0; bm Qf6+; c0 "level: easy-1"; c3 "Qf6+"; ce 32764; dm 2; id "MG 0103"; pm Qf6+; pv Qf6+ Ne7 Bxe7#; 
r1bn1rk1/ppp1B1pp/1b1p4/3Pp3/4n2N/2P4P/PP2BPP1/R2QK2R b KQ - acd 5; acs 0; bm Bxf2+; c0 "level: easy-1"; c3 "Bxf2+"; ce 32764; dm 2; id "MG 0300"; pm Bxf2+; pv Bxf2+ Kf1 Ng3#; 
r1bq1bnr/ppp3pp/3kP3/n2P3Q/8/2N1B3/PPP2PPP/R3K1NR w KQ - acd 5; acs 0; bm Nb5+ Ne4+; c3 "Nb5+ Ne4+"; ce 32764; dm 2; id "BWTC.0693"; pm Nb5+; pv Nb5+ Ke7 Qf7#; 
r1bq1r1k/1p2n1pp/2p2p2/p7/2BP3R/P1P3b1/1P4PP/RN1Q3K w - - acd 5; acs 0; bm Rxh7+; c0 "level: easy-1"; c3 "Rxh7+"; ce 32764; dm 2; id "MG 0344"; pm Rxh7+; pv Rxh7+ Kxh7 Qh5#; 
r1bq1r1k/1pp1Np1p/p2p2pQ/4R3/n7/8/PPPP1PPP/R1B3K1 w - - acd 5; acs 0; bm Rh5; c0 "level: easy-1"; c3 "Rh5"; c4 "WinAtChess.099"; ce 32764; dm 2; id "MG 0360"; pm Rh5; pv Rh5 g5 Qxh7#; 
r1bq1r1k/1pppNppp/p7/4R2Q/n7/8/PPPP1PPP/R1B3K1 w - - acd 5; acs 0; bm Qxh7+; c0 "level: easy-1"; c3 "Qxh7+"; ce 32764; dm 2; id "MG 0121"; pm Qxh7+; pv Qxh7+ Kxh7 Rh5#; 
r1bq1rk1/pp1p2pn/1b1P2p1/3N2p1/2B5/5N2/PP3PPP/R4RK1 w - - acd 5; acs 0; bm Ne7+; c0 "level: easy-1"; c3 "Ne7+"; ce 32764; dm 2; id "MG 0263"; pm Ne7+; pv Ne7+ Kh8 Nxg6#; 
r1bq2n1/ppp3Rr/7p/7k/2BBp1pn/2N3P1/PPP3K1/R6Q w - - acd 5; acs 0; bm Qxh4+; c0 "level: easy-1"; c3 "Qxh4+"; ce 32764; dm 2; id "MG 0496"; pm Qxh4+; pv Qxh4+ Qxh4 Bf7#; 
r1bq3r/pp1k1BQ1/4p3/3pP3/2pPn3/P5B1/2P3PP/R4RK1 w - - acd 5; acs 0; bm Be8+; c0 "level: easy-1"; c3 "Be8+"; ce 32764; dm 2; id "MG 0617"; pm Be8+; pv Be8+ Kxe8 Qf7#; 
r1bq3r/pp1nk2p/n1pNpp2/3pP1p1/3P1N1Q/3B4/PPP2PPP/R3K2R w KQ - acd 5; acs 0; bm Qxh7+; c0 "level: easy-1"; c3 "Qxh7+"; c4 "POL-UNK {The unknown Polgar}"; ce 32764; dm 2; id "OP 0002"; pm Qxh7+; pv Qxh7+ Rxh7 Ng6#; 
r1bq3r/pp1pB1pp/3R1p2/k7/2Q5/8/PP3PPP/R5K1 w - - acd 5; acs 0; bm Qc5+ Ra6+; c3 "Qc5+ Ra6+"; ce 32764; dm 2; id "BWTC.0745"; pm Ra6+; pv Ra6+ bxa6 Qb4#; 
r1bq3r/ppp1nQ2/2kp1N2/2b3N1/4P3/8/P2n1PPP/1RR3K1 w - - acd 5; acs 0; bm Qd5+; c0 "level: easy-1"; c3 "Qd5+"; ce 32764; dm 2; id "MG 0117"; pm Qd5+; pv Qd5+ Nxd5 exd5#; 
r1bq3r/ppppR3/6pk/3P1Q1n/6p1/8/PP1N1PP1/5K1R w - - acd 5; acs 0; bm Qf4+ Rxh5+; c3 "Qf4+ Rxh5+"; ce 32764; dm 2; id "BWTC.0666"; pm Rxh5+; pv Rxh5+ gxh5 Qf6#; 
r1bqk1nr/ppp3p1/1b1P3p/nP3Q2/8/B1Pp4/P4PPP/1N3RK1 w kq - acd 5; acs 0; bm d7+; c0 "level: easy-1"; c3 "d7+"; ce 32764; dm 2; id "MG 0490"; pm d7+; pv d7+ Qxd7 Qf8#; 
r1bqk2r/bppp1ppp/8/PB2N3/3n4/B7/2PPQnPP/RN2K2R w KQkq - acd 5; acs 0; bm Nxd7+; c0 "White Mates in 2. Heinz Helms vs Oscar Tenner, New York, 1942"; c2 "Source: wtharvey.com"; c3 "Nxd7+"; ce 32764; dm 2; id "wtharvey.com.09236"; pm Nxd7+; pv Nxd7+ Qe7 Qxe7#; 
r1bqk2r/p1pn1pp1/1p2pn1p/8/3P4/B1PB4/P1P1QPPP/R3K1NR w KQkq - acd 5; acs 0; bm Qxe6+; c0 "level: easy-1"; c3 "Qxe6+"; ce 32764; dm 2; id "MG 0134"; pm Qxe6+; pv Qxe6+ Qe7 Qxe7#; 
r1bqk2r/ppppnp1p/6p1/3N2B1/2PN4/8/PP2PPPP/R3KB1R w KQkq - acd 5; acs 0; bm Nf6+; c0 "level: easy-1"; c3 "Nf6+"; ce 32764; dm 2; id "MG 0257"; pm Nf6+; pv Nf6+ Kf8 Bh6#; 
r1bqkb2/ppp1p3/2P4r/6p1/7p/2pBP3/PPP3PP/R2QK1NR w KQq - acd 5; acs 0; bm Qh5+; c0 "level: easy-1"; c3 "Qh5+"; c4 "Reinfeld.455.1001"; ce 32764; dm 2; id "WCSAC.0455"; pm Qh5+; pv Qh5+ Rg6 Bxg6#; 
r1bqr2k/pppp1Qpn/2n5/2b1p1P1/2B1P3/2PP4/PP3PP1/RN2K2R w KQ - acd 5; acs 0; bm Rxh7+; c0 "level: easy-1"; c3 "Rxh7+"; ce 32764; dm 2; id "MG 0508"; pm Rxh7+; pv Rxh7+ Kxh7 Qh5#; 
r1bqrk2/pp2bppB/2pn3p/3pN2Q/3P1P2/2N5/PP4PP/R4RK1 w - - acd 5; acs 0; bm Qxf7+; c0 "level: easy-1"; c3 "Qxf7+"; c4 "POL-1236 Mate in two"; ce 32764; dm 2; id "MG 0145"; pm Qxf7+; pv Qxf7+ Nxf7 Ng6#; 
r1bqrk2/pp4pQ/2n1p3/2bpP1N1/8/2N5/PPP2PPP/R3K2R w KQ - acd 5; acs 0; bm Qh8+; c0 "level: easy-1"; c3 "Qh8+"; ce 32764; dm 2; id "MG 0384"; pm Qh8+; pv Qh8+ Ke7 Qxg7#; 
r1q1k1nr/p1pb1n1p/3pNQp1/1BpN4/4P3/8/P1P2PPP/R3K2R w KQkq - acd 5; acs 0; bm Qe7+; c0 "level: easy-1"; c3 "Qe7+"; ce 32764; dm 2; id "MG 0132"; pm Qe7+; pv Qe7+ Nxe7 Nf6#; 
r1r1n1k1/4RRp1/1Bp3Q1/3p4/2P4p/1P4PP/Pq4B1/7K w - - acd 5; acs 0; bm Rf8+; c0 "level: easy-1"; c3 "Rf8+"; c4 "POL-0673 Mate in two"; ce 32764; dm 2; id "MG 0502"; pm Rf8+; pv Rf8+ Kxf8 Qf7#; 
r1r3k1/pp2ppb1/4q1p1/6Q1/7N/1P1p4/P2P1PP1/4RK1R b - - acd 5; acs 0; bm Qxe1+; c0 "level: easy-1"; c3 "Qxe1+"; ce 32764; dm 2; id "MG 0177"; pm Qxe1+; pv Qxe1+ Kxe1 Rc1#; 
r2k1b1r/1pN1n1pp/pB2Bp2/4p3/3nP3/8/PPP2PPP/R3K2R w KQ - acd 5; acs 0; bm Nb5+; c0 "level: easy-1"; c3 "Nb5+"; ce 32764; dm 2; id "MG 0274"; pm Nb5+; pv Nb5+ Ke8 Nd6#;
Last edited by Dann Corbit on Sat Aug 08, 2015 12:18 am, edited 1 time in total.
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Dann Corbit
Posts: 12838
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: BWTC some of the harder problems are buggy

Post by Dann Corbit »

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r2k4/p7/8/1ppnbb1B/4N2P/2PK2p1/PP1P1rP1/RNB4R b - - acd 5; acs 0; bm c4+; c0 "level: easy-1"; c3 "c4+"; ce 32764; dm 2; id "MG 0336"; pm c4+; pv c4+ Kc2 Ne3#; 
r2n1k1r/ppp1n2p/4QN2/4p1N1/3b4/q7/P4PPP/R3R1K1 w - - acd 5; acs 0; bm Qf7+; c0 "level: easy-1"; c3 "Qf7+"; ce 32764; dm 2; id "MG 0053"; pm Qf7+; pv Qf7+ Nxf7 Ne6#; 
r2Nk2r/ppp5/3p1n2/2b1p3/2B1P1b1/3P2pP/PPPQnPP1/RN3R1K b kq - acd 5; acs 0; bm Rxh3+; c0 "level: easy-1"; c3 "Rxh3+"; ce 32764; dm 2; id "MG 0298"; pm Rxh3+; pv Rxh3+ gxh3 Bf3#; 
r2Nqb1r/pQ1bp1pp/1pn1p3/2kp4/P1p2B2/2P5/1PP2PPP/R3KB1R w KQ - acd 5; acs 0; bm Qxc6+; c0 "level: easy-1"; c3 "Qxc6+"; c4 "Reinfeld.482.1001"; ce 32764; dm 2; id "WCSAC.0482"; pm Qxc6+; pv Qxc6+ Bxc6 Nxe6#; 
r2q1b1r/1pN1n1pp/p1n3k1/4Pb2/2BP4/P7/1PP3PP/2BQ1RK1 w - - acd 5; acs 0; bm Qg4+; c0 "level: easy-1"; c3 "Qg4+"; ce 32764; dm 2; id "MG 0040"; pm Qg4+; pv Qg4+ Bxg4 Bf7#; 
r2q1b1r/pppbk2p/3p1pB1/3Pp2Q/2P5/4B2P/PP3PP1/R3K2R w KQ - acd 5; acs 0; bm Qxe5+; c0 "level: easy-1"; c3 "Qxe5+"; ce 32764; dm 2; id "MG 0153"; pm Qxe5+; pv Qxe5+ Be6 Qxe6#; 
r2q1bnr/pp2k1pp/3p1p2/1Bp1N1B1/8/2Pp4/PP3PPP/RN1bR1K1 w - - acd 5; acs 0; bm Ng6+; c0 "level: easy-1"; c3 "Ng6+"; ce 32764; dm 2; id "MG 0261"; pm Ng6+; pv Ng6+ Kf7 Nxh8#; 
r2q1r1k/2p1b1pp/p1n5/1p1Q1bN1/4n3/1BP1B3/PP3PPP/R4RK1 w - - acd 5; acs 0; bm Qg8+; c0 "level: easy-1"; c3 "Qg8+"; c4 "WinAtChess.084"; ce 32764; dm 2; id "MG 0058"; pm Qg8+; pv Qg8+ Rxg8 Nf7#; 
r2q1r1k/3bb2p/4pp2/3pP3/p2N1P2/3R3Q/pPPKN2P/6R1 w - - acd 5; acs 0; bm Qxh7+; c0 "level: easy-1"; c3 "Qxh7+"; ce 32764; dm 2; id "MG 0110"; pm Qxh7+; pv Qxh7+ Kxh7 Rh3#; 
r2q1r2/pp2np2/1bp4p/3p2pk/1P1N2b1/2PB2B1/P5PP/R2QK2R w KQ - acd 5; acs 0; bm Qxg4+; c0 "level: easy-1"; c3 "Qxg4+"; ce 32764; dm 2; id "MG 0030"; pm Qxg4+; pv Qxg4+ Kxg4 Be2#; 
r2q1rk1/1b2bp2/ppn1p1p1/3P2Np/2P4Q/P2B4/1B3PPP/R4RK1 w - - acd 5; acs 0; bm Qxh5; c0 "level: easy-1"; c3 "Qxh5"; c4 "Reinfeld.912.1001"; ce 32764; dm 2; id "WCSAC.0912"; pm Qxh5; pv Qxh5 gxh5 Bh7#; 
r2q1rk1/2pbbpp1/p4B1p/1n1pP1NQ/2p5/2P5/P1B2PPP/R4RK1 w - - acd 5; acs 0; bm Qxh6; c0 "level: easy-1"; c3 "Qxh6"; c4 "Reinfeld.964.1001"; ce 32764; dm 2; id "WCSAC.0964"; pm Qxh6; pv Qxh6 g6 Qh8#; 
r2q1rk1/ppp2ppp/3b4/1N1P4/2BBPn1P/P4pP1/1PQ2Pb1/R3R1K1 b - - acd 5; acs 0; bm Qxh4; c0 "level: easy-1"; c3 "Qxh4"; c4 "POL-1439 Mate in two"; ce 32764; dm 2; id "MG 0174"; pm Qxh4; pv Qxh4 g4 Nh3#; 
r2q3r/p1p2R2/2p1p2p/4k2B/8/b3B3/6PP/3R2K1 w - - acd 5; acs 0; bm Bf4+; c0 "level: easy-1"; c3 "Bf4+"; ce 32764; dm 2; id "MG 0235"; pm Bf4+; pv Bf4+ Ke4 Bg6#; 
r2q4/3rk3/1pRp3p/1P1PpRpP/p3P1P1/PpQ5/8/1K6 w - - acd 5; acs 0; bm Qxe5+; c0 "level: easy-2"; c3 "Qxe5+"; c4 "Reinfeld.720.1001"; ce 32764; dm 2; id "WCSAC.0720"; pm Qxe5+; pv Qxe5+ dxe5 Re6#; 
r2qk2r/pb4pp/1n2Pb2/2B2Q2/p1p5/2P5/2B2PPP/RN2R1K1 w kq - acd 5; acs 0; bm Qg6+; c0 "level: easy-1"; c3 "Qg6+"; c4 "POL-UNK {The unknown Polgar}"; ce 32764; dm 2; id "MG 0543"; pm Qg6+; pv Qg6+ hxg6 Bxg6#; 
r2qkb1r/2p1npp1/p1np3p/3NN3/Pp1PP3/1B6/1PP2PPP/R1BbK2R w KQkq - acd 5; acs 0; bm Nf6+; c0 "level: easy-1"; c3 "Nf6+"; ce 32764; dm 2; id "OP 0005"; pm Nf6+; pv Nf6+ gxf6 Bxf7#; 
r2qkb1r/2p1nppp/p2p4/np1NN3/4P3/1BP5/PP1P1PPP/R1BbK2R w KQkq - acd 5; acs 0; bm Nf6+; c0 "level: easy-1"; c3 "Nf6+"; ce 32764; dm 2; id "OP 0006"; pm Nf6+; pv Nf6+ gxf6 Bxf7#; 
r2qkb1r/pp4pp/5n2/2p1N3/2BpP3/6N1/PPP3PP/R1BbK2R w KQkq - acd 5; acs 0; bm Bf7+; c0 "level: easy-1"; c3 "Bf7+"; ce 32764; dm 2; id "MG 0254"; pm Bf7+; pv Bf7+ Ke7 Nf5#; 
r2qkr2/p2nb1Qp/bp2P3/3p1Np1/8/8/PPP2PPP/1N2K2R w Kq - acd 5; acs 0; bm Qg6+; c0 "level: easy-1"; c3 "Qg6+"; ce 32764; dm 2; id "MG 0106"; pm Qg6+; pv Qg6+ Rf7 Qxf7#; 
r2r2k1/p2nqp2/2b1p2P/4B3/2p5/3B4/PPP2P1P/2KR4 w - - acd 5; acs 0; bm h7+; c0 "level: easy-1"; c3 "h7+"; ce 32764; dm 2; id "MG 0669"; pm h7+; pv h7+ Kf8 h8=Q#; 
r3br2/1p2q1p1/pnnNpP2/3p2Nk/3P1P2/3Q4/PP4PP/R4RK1 w - - acd 5; acs 0; bm Qh7+ g4+; c3 "Qh7+ g4+"; ce 32764; dm 2; id "BWTC.0660"; pm g4+; pv g4+ Kh6 Qh7#; 
r3k1nr/ppp2ppp/8/3Bp3/3nPPb1/2P3P1/PP1PN2q/R1BQKR2 b Qkq - acd 5; acs 0; bm Nc2+; c0 "level: easy-1"; c3 "Nc2+"; c4 "Reinfeld.538.1001"; ce 32764; dm 2; id "WCSAC.0538"; pm Nc2+; pv Nc2+ Qxc2 Qxe2#; 
r3k2r/1p3ppp/pb1p4/4PQ2/2B2Pn1/N3q3/PP4PP/R4R1K b kq - acd 5; acs 0; bm Qg1+; c0 "level: easy-1"; c3 "Qg1+"; c4 "Reinfeld.999.1001"; ce 32764; dm 2; id "WCSAC.0999"; pm Qg1+; pv Qg1+ Rxg1 Nf2#; 
r3k2r/ppp2ppp/2n5/3pP3/3Pn3/P1PK1B2/2PB1qPP/R2Q3R b kq - acd 5; acs 0; bm Nc5+ Nxe5+; c3 "Nc5+ Nxe5+"; ce 32764; dm 2; id "BWTC.0782"; pm Nc5+; pv Nc5+ dxc5 Nxe5#; 
r3kb1r/p2p1ppp/1p2p3/7q/2P1N3/1P5n/PB2nPPN/R2Q2RK b kq - acd 5; acs 0; bm Nxf2+; c0 "level: easy-1"; c3 "Nxf2+"; ce 32764; dm 2; id "MG 0447"; pm Nxf2+; pv Nxf2+ Nxf2 Ng3#; 
r3kb1r/pQpbqppp/8/1B6/3Pn3/2P2n2/PP3PPP/RNB2K1R b kq - acd 5; acs 0; bm Ng3+; c0 "level: easy-1"; c3 "Ng3+"; ce 32764; dm 2; id "MG 0573"; pm Ng3+; pv Ng3+ fxg3 Qe1#; 
r3kb2/2pp1p2/p5q1/1p2P3/7Q/1P2Bb1P/1PP1NPr1/R3RK2 b q - acd 5; acs 0; bm Rg1+; c0 "level: easy-1"; c3 "Rg1+"; ce 32764; dm 2; id "MG 0468"; pm Rg1+; pv Rg1+ Nxg1 Qg2#; 
r3kbnr/ppB2ppp/4n3/8/8/2N2P2/PPP4P/2KR1B1R w kq - acd 5; acs 0; bm Bb5+; c0 "level: easy-1"; c3 "Bb5+"; ce 32764; dm 2; id "MG 0291"; pm Bb5+; pv Bb5+ Ke7 Nd5#; 
r3kr2/1pp4p/1p1p4/7q/4P1n1/2PP2Q1/PP4P1/R1BB2K1 b q - acd 5; acs 0; bm Qh1+; c0 "level: easy-1"; c3 "Qh1+"; c4 "WinAtChess.054"; ce 32764; dm 2; id "MG 0195"; pm Qh1+; pv Qh1+ Kxh1 Rf1#; 
r3nrk1/2p1Q1pp/p1b1Pp2/np4B1/6q1/1B3N2/PP3PPP/R3R1K1 w - - acd 5; acs 0; bm Qxf8+; c0 "level: easy-1"; c3 "Qxf8+"; c4 "Reinfeld.937.1001"; ce 32764; dm 2; id "WCSAC.0937"; pm Qxf8+; pv Qxf8+ Kxf8 e7#; 
r3qb1r/pppbk1p1/2np2np/4p2Q/2BPP3/2P5/PP3PPP/RNB2RK1 w - - acd 5; acs 0; bm Bg5+ Qg5+; c3 "Bg5+ Qg5+"; c4 "Reinfeld.731.1001"; ce 32764; dm 2; id "WCSAC.0731"; pm Bg5+; pv Bg5+ hxg5 Qxg5#; 
r3qk1r/p5pp/3pQp2/2b5/2B2B2/8/P4PPP/4R1K1 w - - acd 5; acs 0; bm Qxf6+; c0 "level: med-4"; c3 "Qxf6+"; ce 32764; dm 2; id "MG 2183"; pm Qxf6+; pv Qxf6+ Qf7 Qxf7#; 
r3qr2/ppp1Np1p/3p1Qpk/4P3/2BbP3/3P3P/PP4P1/n2K1R2 w - - acd 5; acs 0; bm Nf5+; c0 "level: easy-1"; c3 "Nf5+"; ce 32764; dm 2; id "MG 0372"; pm Nf5+; pv Nf5+ Kh5 g4#; 
r3qr2/ppp2p1p/3pNk2/2b1n3/2B1P1b1/8/PP2N1PP/2B4K w - - acd 5; acs 0; bm Bg5+; c0 "level: easy-1"; c3 "Bg5+"; ce 32764; dm 2; id "MG 0227"; pm Bg5+; pv Bg5+ Kg6 N2f4#; 
r3qrk1/ppp2p1p/2np1Bp1/3N3Q/2BbPP2/8/PP3P1P/R5RK w - - acd 5; acs 0; bm Rxg6+; c0 "level: easy-1"; c3 "Rxg6+"; ce 32764; dm 2; id "MG 0641"; pm Rxg6+; pv Rxg6+ fxg6 Ne7#; 
r3r1k1/p3q1b1/1pp3QR/3p2N1/5p2/4B3/PPP2PP1/R3K3 w Q - acd 5; acs 0; bm Rh8+; c0 "level: easy-1"; c3 "Rh8+"; ce 32764; dm 2; id "MG 0346"; pm Rh8+; pv Rh8+ Kxh8 Qh7#; 
r3r1k1/pbpn2b1/1p3qQ1/3p2N1/3P4/2N1P3/PP3PP1/R3K2R w KQ - acd 5; acs 0; bm Rh8+; c0 "level: easy-1"; c3 "Rh8+"; ce 32764; dm 2; id "MG 0379"; pm Rh8+; pv Rh8+ Kxh8 Qh7#; 
r3r1k1/ppp1bpp1/2bp3p/4P3/3BnP2/3B3P/PPP4P/R2Q1R1K b - - acd 5; acs 0; bm Nf2+; c0 "level: easy-1"; c3 "Nf2+"; ce 32764; dm 2; id "MG 0656"; pm Nf2+; pv Nf2+ Kg1 Nxh3#; 
r3r1R1/1pq2B1k/p6p/1bp1nP1Q/3pP3/8/PPP1N1PP/5RK1 w - - acd 5; acs 0; bm Qg6+; c0 "level: easy-1"; c3 "Qg6+"; ce 32764; dm 2; id "MG 0105"; pm Qg6+; pv Qg6+ Nxg6 fxg6#; 
r3r3/pppq1kpp/2n5/b3P3/8/B4N2/P1Q2PPP/6K1 w - - acd 5; acs 0; bm Ng5+; c0 "level: easy-1"; c3 "Ng5+"; ce 32764; dm 2; id "MG 0374"; pm Ng5+; pv Ng5+ Kg8 Qxh7#; 
r4b1r/pppbkBpp/q1n3n1/5p2/2NPp3/1QP5/PP3PPP/RNB2RK1 w - - acd 5; acs 0; bm Bg5+; c0 "level: easy-1"; c3 "Bg5+"; ce 32764; dm 2; id "OP 0016"; pm Bg5+; pv Bg5+ Kxf7 Nd6#; 
r4k1N/ppq3pp/2p1Qn2/6N1/3P1P2/8/PPP3PP/R4nK1 w - - acd 5; acs 0; bm Nxh7+; c0 "level: easy-1"; c3 "Nxh7+"; ce 32764; dm 2; id "MG 0495"; pm Nxh7+; pv Nxh7+ Nxh7 Ng6#; 
r4r1k/1ppqNppp/p1p1b3/3n2BQ/3PR3/8/PPP2PPP/R5K1 w - - acd 5; acs 0; bm Qxh7+; c0 "level: easy-1"; c3 "Qxh7+"; ce 32764; dm 2; id "MG 0158"; pm Qxh7+; pv Qxh7+ Kxh7 Rh4#; 
r4r1k/ppp2pRp/1P1p4/8/1P2P3/3n4/PB3P1P/R6K w - - acd 5; acs 0; bm Rg8+; c0 "level: easy-1"; c3 "Rg8+"; c4 "Reinfeld.410.1001 dblch"; ce 32764; dm 2; id "WCSAC.0410"; pm Rg8+; pv Rg8+ Kxg8 Rg1#; 
r4r1k/ppqb2pp/2p2p2/5P1Q/2B2R2/2R1P3/PP4PP/6K1 w - - acd 5; acs 0; bm Qxh7+; c0 "level: easy-1"; c3 "Qxh7+"; ce 32764; dm 2; id "MG 0138"; pm Qxh7+; pv Qxh7+ Kxh7 Rh4#; 
r4R2/1b2n1pp/p2Np1k1/1pn5/4pP1P/8/PPP1B1P1/2K4R w - - acd 5; acs 0; bm h5+; c0 "White Mates in 2. Isaias Pleci vs Lucius Endzelins, Buenos Aires, 1939"; c2 "Source: wtharvey.com"; c3 "h5+"; ce 32764; dm 2; id "wtharvey.com.10961"; pm h5+; pv h5+ Kh6 Nf7#; 
r4rk1/1p3ppp/1ppp4/4p3/3PPn2/1BN2Pnq/PPPQ1R1N/3R2K1 b - - acd 5; acs 0; bm Qg2+; c0 "level: easy-1"; c3 "Qg2+"; ce 32764; dm 2; id "MG 0222"; pm Qg2+; pv Qg2+ Rxg2 Nh3#; 
r4rk1/7R/pp3pp1/4pq2/3n3Q/P7/1PP2PP1/1K5R w - - acd 5; acs 0; bm Rg7+; c0 "level: easy-1"; c3 "Rg7+"; ce 32764; dm 2; id "MG 0354"; pm Rg7+; pv Rg7+ Kxg7 Qh7#; 
r4rk1/pp4pp/2p3n1/3p2N1/2P2PK1/3B2P1/PP5q/R1BQ1R2 b - - acd 5; acs 0; bm Ne5+; c0 "level: easy-1"; c3 "Ne5+"; c4 "POL-1447 Mate in two"; ce 32764; dm 2; id "MG 0593"; pm Ne5+; pv Ne5+ fxe5 h5#; 
r4rk1/ppp3p1/3p2Q1/1b1P1p1B/7R/6P1/PP3PKP/4q3 w - - acd 5; acs 0; bm Qh7+; c0 "level: easy-1"; c3 "Qh7+"; ce 32764; dm 2; id "MG 0642"; pm Qh7+; pv Qh7+ Kxh7 Bf7#; 
r5k1/1p1b2pp/4p3/p3P3/2nPp1P1/1K5Q/P2qN2P/5B1R b - - acd 5; acs 0; bm Ba4+ Qb2+ a4+; c3 "Ba4+ Qb2+ a4+"; ce 32764; dm 2; id "BWTC.0771"; pm a4+; pv a4+ Kxc4 Rc8#; 
r5k1/3R1ppp/p3p1q1/1pp5/2B5/8/PPP3PP/1K1R4 w - - acd 5; acs 0; bm Rd8+; c0 "level: easy-1"; c3 "Rd8+"; ce 32764; dm 2; id "MG 0256"; pm Rd8+; pv Rd8+ Rxd8 Rxd8#; 
r5k1/ppp2ppp/6b1/2q5/1b2r3/1N4Q1/PPP1BPPP/2KR2NR b - - acd 5; acs 0; bm Qxc2+; c0 "level: easy-1"; c3 "Qxc2+"; ce 32764; dm 2; id "MG 0666"; pm Qxc2+; pv Qxc2+ Kxc2 Rc4#; 
r5r1/7Q/2RNbkN1/5pp1/p7/3q4/PP3PPP/4R1K1 w - - acd 5; acs 0; bm Qf7+ Rxe6+; c3 "Qf7+ Rxe6+"; ce 32764; dm 2; id "BWTC.0713"; pm Rxe6+; pv Rxe6+ Kxe6 Qf7#; 
r5r1/p2k1N1p/n1pB1pqb/8/1p1P3p/1B3N2/PPP1RQP1/3K4 w - - acd 5; acs 0; bm Re7+; c0 "level: easy-1"; c3 "Re7+"; ce 32764; dm 2; id "MG 0569"; pm Re7+; pv Re7+ Kc8 Be6#; 
r5r1/pQ1b3p/1qp2R2/2k1p3/P7/2PPN3/6PP/6K1 w - - acd 5; acs 0; bm Rxc6+; c0 "level: easy-1"; c3 "Rxc6+"; ce 32764; dm 2; id "MG 0670"; pm Rxc6+; pv Rxc6+ Qxc6 Qb4#; 
r5rk/pp2N1pp/n3Q3/8/3B4/2Np4/P1PK1PPP/7q w - - acd 5; acs 0; bm Ng6+; c0 "level: easy-1"; c3 "Ng6+"; ce 32764; dm 2; id "MG 0397"; pm Ng6+; pv Ng6+ hxg6 Qh3#; 
r5rk/pp3Q1p/3pN1p1/8/2n2R2/2q5/P1P3PP/5b1K w - - acd 5; acs 0; bm Qxh7+; c0 "level: easy-1"; c3 "Qxh7+"; ce 32764; dm 2; id "MG 0098"; pm Qxh7+; pv Qxh7+ Kxh7 Rh4#; 
r6k/1p3Q2/p2NR2p/3p2p1/3p4/8/P5KP/1q6 w - - acd 5; acs 0; bm Rxh6+; c0 "level: easy-1"; c3 "Rxh6+"; ce 32764; dm 2; id "MG 0510"; pm Rxh6+; pv Rxh6+ Qh7 Rxh7#; 
r6r/1pp2p2/1nb4p/3pPkp1/3P1N1P/1P3P2/2PB2R1/2K3R1 w - - acd 5; acs 0; bm Rxg5+; c0 "level: easy-1"; c3 "Rxg5+"; ce 32764; dm 2; id "MG 0230"; pm Rxg5+; pv Rxg5+ hxg5 Rxg5#; 
r6r/3R1Q2/pqb1p1pk/1p4N1/6PP/4P3/Pb3P2/2R3K1 w - - acd 5; acs 0; bm Qh7+; c0 "level: easy-1"; c3 "Qh7+"; ce 32764; dm 2; id "MG 0104"; pm Qh7+; pv Qh7+ Rxh7 Rxh7#; 
r6r/p1pk1p2/2p4p/3p2Bb/8/3B4/PPP1RbPP/RN5K w - - acd 5; acs 0; bm Bf5+; c0 "level: easy-1"; c3 "Bf5+"; ce 32764; dm 2; id "MG 0286"; pm Bf5+; pv Bf5+ Kd6 Be7#; 
r6r/pp1k1Npp/1bp4n/4Q2b/2B1P2q/B1P2P2/P5PP/RN5K w - - acd 5; acs 0; bm Qe6+; c0 "level: med-3"; c3 "Qe6+"; ce 32764; dm 2; id "MG 1961"; pm Qe6+; pv Qe6+ Kc7 Bd6#; 
r6r/pp1Q3p/2n1pN2/q1b1k1N1/2Pp4/8/PP3PPP/2K2B1R w - - acd 5; acs 0; bm Qxe6+; c0 "level: easy-1"; c3 "Qxe6+"; ce 32764; dm 2; id "MG 0560"; pm Qxe6+; pv Qxe6+ Kf4 Nh3#; 
r7/pp4pk/2p2r2/3p3p/4N3/1Q1P3b/PP2R2P/5qRK b - - acd 5; acs 0; bm Qxg1+; c0 "level: easy-1"; c3 "Qxg1+"; ce 32764; dm 2; id "MG 0164"; pm Qxg1+; pv Qxg1+ Kxg1 Rf1#; 
r7/pppk1pQp/3p4/8/2P1n3/1P1B1n1P/P2P1qP1/R1B2R1K b - - acd 5; acs 0; bm Qg1+ Qxf1+; c3 "Qg1+ Qxf1+"; ce 32764; dm 2; id "BWTC.0243"; pm Qxf1+; pv Qxf1+ Bxf1 Nf2#; 
r7/ppq2r1k/1np3Rp/2b1P3/3B4/3B2Q1/PP4PP/6K1 w - - acd 5; acs 0; bm Rg8+ Rxh6+; c3 "Rg8+ Rxh6+"; ce 32764; dm 2; id "BWTC.0829"; pm Rxh6+; pv Rxh6+ Kxh6 Qg6#; 
rk2r3/ppp1np1p/4B3/2N5/3Q2bq/3P4/PPP5/5RK1 w - - acd 5; acs 0; bm Na6+; c0 "level: easy-1"; c3 "Na6+"; c4 "POL-0667 Mate in two"; ce 32764; dm 2; id "MG 0570"; pm Na6+; pv Na6+ bxa6 Qb4#; 
rk3r2/ppp3p1/1NnpQ1q1/8/7P/2B5/PPP3P1/2KRR3 w - - acd 5; acs 0; bm Qc8+; c0 "level: easy-1"; c3 "Qc8+"; ce 32764; dm 2; id "MG 0672"; pm Qc8+; pv Qc8+ Rxc8 Nd7#; 
rk5r/pp1Qbp1p/1q2pN2/8/8/6P1/PP3PBP/2R3K1 w - - acd 5; acs 0; bm Qc8+ Qe8+; c3 "Qc8+ Qe8+"; ce 32764; dm 2; id "BWTC.0127"; pm Qe8+; pv Qe8+ Qd8 Nd7#; 
rkbQ1b1r/1p1R2pp/p1p1pp2/2P1p1B1/8/2P2N2/PP3PPP/1q3BK1 w - - acd 5; acs 0; bm Rxb7+; c0 "level: easy-1"; c3 "Rxb7+"; ce 32764; dm 2; id "MG 0559"; pm Rxb7+; pv Rxb7+ Kxb7 Qb6#; 
rn1q1rk1/ppp3pp/4b3/3pP3/8/2bB3Q/P1P2P1P/R2K2R1 w - - acd 5; acs 0; bm Rxg7+; c0 "level: easy-1"; c3 "Rxg7+"; c4 "POL-0705 Mate in two"; ce 32764; dm 2; id "MG 0352"; pm Rxg7+; pv Rxg7+ Kh8 Qxh7#; 
rn1qkb1r/ppp2ppp/3p4/4N3/2B5/2P5/PPP2PPP/R1Bb1RK1 w kq - acd 5; acs 0; bm Bxf7+; c0 "level: easy-1"; c3 "Bxf7+"; ce 32764; dm 2; id "MG 0268"; pm Bxf7+; pv Bxf7+ Ke7 Bg5#; 
rn1qkbnr/ppp2p1p/3p2p1/4N3/2B1P3/2N5/PPP2PPP/R1BbK2R w KQkq - acd 5; acs 0; bm Bxf7+; c0 "level: easy-1"; c3 "Bxf7+"; ce 32764; dm 2; id "MG 0278"; pm Bxf7+; pv Bxf7+ Ke7 Nd5#; 
rn1qr1k1/1p2np2/2p3p1/8/1pPb4/7Q/PB1P1PP1/2KR1B1R w - - acd 5; acs 0; bm Qh8+; c0 "level: easy-1"; c3 "Qh8+"; c4 "WinAtChess.060"; ce 32764; dm 2; id "Leonid.196651"; pm Qh8+; pv Qh8+ Bxh8 Rxh8#; 
rn2k2r/pp3ppp/2p3q1/b4n2/2p1N3/P7/1P2QPPP/R1BR2K1 w kq - acd 5; acs 0; bm Nf6+; c0 "level: easy-1"; c3 "Nf6+"; ce 32764; dm 2; id "MG 0632"; pm Nf6+; pv Nf6+ Kf8 Qe8#; 
rn2kb1r/pp3ppp/4p1qn/1p4B1/2B5/3P2QP/PPP2PP1/R3K2R w KQkq - acd 5; acs 0; bm Qxb8+; c0 "level: easy-1"; c3 "Qxb8+"; ce 32764; dm 2; id "MG 0123"; pm Qxb8+; pv Qxb8+ Rxb8 Bxb5#; 
rn2kb1r/ppp1pppp/8/8/4q3/3P1N1b/PPP1BPnP/RNBQ1K1R b kq - acd 5; acs 0; bm Nh4+; c0 "Black Mates in 2. Ilya Rabinovich vs Grigori Levenfish, Moscow, 1927"; c2 "Source: wtharvey.com"; c3 "Nh4+"; c4 "Reinfeld.388.1001 disch"; ce 32764; dm 2; id "WCSAC.0388"; pm Nh4+; pv Nh4+ Kg1 Qg4#; 
rn2kbnr/ppp3pp/1q1p1p2/8/6b1/P4N2/1PPPBPPP/RNBQR1K1 w kq - acd 5; acs 0; bm Bb5+; c0 "level: easy-1"; c3 "Bb5+"; ce 32764; dm 2; id "OP 0018"; pm Bb5+; pv Bb5+ Kd8 Re8#; 
rn2r1k1/p3Qppp/1q3n2/2p5/8/8/PP3PPP/RNB1R1K1 w - - acd 5; acs 0; bm Qxe8+; c0 "level: easy-1"; c3 "Qxe8+"; ce 32764; dm 2; id "MG 0056"; pm Qxe8+; pv Qxe8+ Nxe8 Rxe8#; 
rn3r2/pbppq1p1/1p2pN2/8/3P2NP/6P1/PPP1BPk1/R3K2R w KQ - acd 5; acs 0; bm Rh2+; c0 "level: easy-1"; c3 "Rh2+"; ce 32764; dm 2; id "MG 0234"; pm Rh2+ {5}; pv Rh2+ Kg1 O-O-O#; 
rn3rk1/p5pp/2p5/3Ppb2/8/1Q6/PPPB2PP/R4KNR b - - acd 5; acs 0; bm Bd3+; c0 "level: easy-1"; c3 "Bd3+"; c4 "Reinfeld.415.1001 dblch"; ce 32764; dm 2; id "WCSAC.0415"; pm Bd3+; pv Bd3+ Ke1 Rf1#; 
rn6/ppp2Q1p/2k3p1/4P1B1/2Pbp3/8/PPb3PP/7K w - - acd 5; acs 0; bm Qd5+ Qe6+; c3 "Qd5+ Qe6+"; ce 32764; dm 2; id "BWTC.0677"; pm Qe6+; pv Qe6+ Kc5 Be7#; 
rnb1k1nr/ppp2p1p/3P4/8/3q4/5pP1/PPPP3P/RNBQKB1R b KQkq - acd 5; acs 0; bm f2+; c0 "level: easy-1"; c3 "f2+"; ce 32764; dm 2; id "OP 0014"; pm f2+; pv f2+ Ke2 Bg4#; 
rnb1qknr/ppp1b2p/8/5p1Q/2BPP3/7p/PPP3PP/RNB1K2R w KQ - acd 5; acs 0; bm Bh6+ Qh6+; c3 "Bh6+ Qh6+"; c4 "Reinfeld.890.1001"; ce 32764; dm 2; id "WCSAC.0890"; pm Bh6+; pv Bh6+ Nxh6 Qxh6#; 
rnb2k2/ppp4p/3p4/8/3PPp1q/1Q3p2/PP6/RNB2RK1 b - - acd 5; acs 0; bm Qg3+ Qg4+ Qg5+; c3 "Qg3+ Qg4+ Qg5+"; ce 32764; dm 2; id "BWTC.0582"; pm Qg4+; pv Qg4+ Kh1 Qg2#; 
rnb2rk1/ppp1nRbp/3P4/7Q/2B5/2BP2Pq/PPP4P/7K w - - acd 5; acs 0; bm Rxf8+ Rxg7+; c3 "Rxf8+ Rxg7+"; ce 32764; dm 2; id "BWTC.0853"; pm Rxg7+; pv Rxg7+ Kh8 Rxh7#; 
rnb5/ppqpk2p/2pN1rp1/2b1P1B1/2B5/8/PPP2PPP/1N3RK1 w - - acd 5; acs 0; bm exf6+; c0 "level: easy-1"; c3 "exf6+"; ce 32764; dm 2; id "MG 0233"; pm exf6+; pv exf6+ Kf8 Bh6#; 
rnbk2r1/pppp1pBp/3q4/8/2B3Q1/8/P5PP/R3R1K1 w - - acd 5; acs 0; bm Bf6+; c0 "level: easy-1"; c3 "Bf6+"; ce 32764; dm 2; id "MG 0493"; pm Bf6+; pv Bf6+ Qe7 Qxg8#; 
rnbq2kr/ppp3pp/4P2n/3p2NQ/4p3/B1P5/P1P2PPP/R3KB1R w KQ - acd 5; acs 0; bm Qf7+; c0 "level: easy-1"; c3 "Qf7+"; c4 "Reinfeld.897.1001"; ce 32764; dm 2; id "WCSAC.0897"; pm Qf7+; pv Qf7+ Nxf7 exf7#; 
rnbq2nr/ppp3pp/3p4/8/4P1Q1/2N1k1b1/PPP4p/R4R1K w - - acd 5; acs 0; bm Rad1; c3 "Rad1"; c4 "Reinfeld.891.1001"; ce 32764; dm 2; id "WCSAC.0891"; pm Rad1; pv Rad1 h6 Nd5#; 
rnbqkbn1/ppppp3/7r/6pp/3P1p2/3BP1B1/PPP2PPP/RN1QK1NR w KQq - acd 5; acs 0; bm Qxh5+; c0 "White Mates in 2. Teed vs Eugene Delmar, New York, 1896"; c2 "Source: wtharvey.com"; c3 "Qxh5+"; ce 32764; dm 2; id "wtharvey.com.12375"; pm Qxh5+; pv Qxh5+ Rg6 Bxg6#; 
1k1r4/2p2ppp/8/8/Qb6/2R1Pn2/PP2KPPP/3r4 b - - acd 3; acs 0; bm Ng1#; c0 "level: easy-1"; c3 "Ng1#"; ce 32766; dm 1; id "MG 0328"; pm Ng1#; pv Ng1#; 
1kqr4/2n2r2/1Np3pp/2p1pp2/4P3/Q2PP3/P5PP/1R4K1 w - - acd 3; acs 0; bm Nd7#; c0 "level: easy-1"; c3 "Nd7#"; ce 32766; dm 1; id "MG 0633"; pm Nd7#; pv Nd7#; 
1n4rk/1bp2Q1p/p2p4/1p2p3/5N1N/1P1P3P/1PP2p1K/8 b - - acd 60; acs 0; bm f1=N#; c0 "Middlegame"; c3 "f1=N#"; ce 32766; dm 1; id "UP 0001"; pm f1=N#; pv f1=N#; 
1q2r3/3kPpp1/1p1P1b1p/3Q1P2/1p6/P6P/1P4P1/1KR2b2 w - - acd 3; acs 0; bm Qc6#; c0 "level: easy-1"; c3 "Qc6#"; ce 32766; dm 1; id "MG 0567"; pm Qc6#; pv Qc6#; 
1r3r1k/6pp/6b1/pBp3B1/Pn1N2P1/4p2P/1P6/2KR3R b - - acd 3; acs 0; bm Na2#; c0 "level: easy-1"; c3 "Na2#"; ce 32766; dm 1; id "MG 0307"; pm Na2#; pv Na2#; 
1rqkn2r/p2n1R2/2p4p/2N3p1/6P1/7P/PPP5/2KR4 w - - acd 3; acs 0; bm Ne6#; c0 "level: easy-1"; c3 "Ne6#"; ce 32766; dm 1; id "MG 0238"; pm Ne6#; pv Ne6#; 
2B1nrk1/p5bp/1p1p4/4p3/8/1NPKnq1P/PP1Q4/R6R b - - acd 3; acs 0; bm e4#; c0 "level: easy-1"; c3 "e4#"; ce 32766; dm 1; id "MG 0607"; pm e4#; pv e4#; 
2k1r3/p3P3/1p1q4/6p1/3PQ3/2P3pP/P5B1/6K1 w - - acd 3; acs 0; bm Qb7#; c0 "level: easy-1"; c3 "Qb7#"; ce 32766; dm 1; id "MG 0351"; pm Qb7#; pv Qb7#; 
2k1r3/Qpnq3p/5pp1/3p4/8/BP4P1/P4P1P/2R3K1 w - - acd 3; acs 0; bm Qa8#; c0 "level: easy-1"; c3 "Qa8#"; ce 32766; dm 1; id "MG 0409"; pm Qa8#; pv Qa8#; 
2k5/pp4pp/1b6/2nP4/5pb1/P7/1P2QKPP/5R2 b - - acd 3; acs 0; bm Nd3#; c0 "level: easy-1"; c3 "Nd3#"; ce 32766; dm 1; id "MG 0664"; pm Nd3#; pv Nd3#; 
2k5/ppp2p2/7q/6p1/2Nb1p2/1B3Kn1/PP2Q1P1/8 b - - acd 3; acs 0; bm Qh5#; c0 "level: easy-1"; c3 "Qh5#"; ce 32766; dm 1; id "MG 0583"; pm Qh5#; pv Qh5#; 
3k3B/7p/p1Q1p3/2n5/6P1/K3b3/PP5q/R7 w - - acd 3; acs 0; bm Bf6#; c0 "level: easy-1"; c3 "Bf6#"; ce 32766; dm 1; id "MG 0545"; pm Bf6#; pv Bf6#; 
3r2k1/ppp2ppp/6Q1/b7/3n1B2/2p3n1/P4PPP/RN3RK1 b - - acd 3; acs 0; bm Nde2#; c0 "level: easy-1"; c3 "Nde2#"; ce 32766; dm 1; id "MG 0294"; pm Nde2#; pv Nde2#; 
3rkr2/5p2/b1p2p2/4pP1P/p3P1Q1/b1P5/B1K2RP1/2RNq3 b - - acd 3; acs 0; bm Bd3#; c0 "level: easy-1"; c3 "Bd3#"; ce 32766; dm 1; id "MG 0602"; pm Bd3#; pv Bd3#; 
4bk2/ppp3p1/2np3p/2b5/2B2Bnq/2N5/PP4PP/4RR1K w - - acd 3; acs 0; bm Bxd6#; c0 "level: easy-1"; c3 "Bxd6#"; ce 32766; dm 1; id "MG 0247"; pm Bxd6#; pv Bxd6#; 
4r1k1/pp3ppp/6q1/3p4/2bP1n2/P1Q2B2/1P3PPP/6KR b - - acd 3; acs 0; bm Nh3#; c0 "level: easy-1"; c3 "Nh3#"; ce 32766; dm 1; id "MG 0576"; pm Nh3#; pv Nh3#; 
4rkr1/1p1Rn1pp/p3p2B/4Qp2/8/8/PPq2PPP/3R2K1 w - - acd 3; acs 0; bm Qf6#; c0 "level: easy-1"; c3 "Qf6#"; c4 "Reinfeld.60.1001 mate"; ce 32766; dm 1; id "WCSAC.0060"; pm Qf6#; pv Qf6#; 
5r2/p1n3k1/1p3qr1/7R/8/1BP1Q3/P5R1/6K1 w - - acd 3; acs 0; bm Qh6#; c0 "level: easy-1"; c3 "Qh6#"; ce 32766; dm 1; id "MG 0356"; pm Qh6#; pv Qh6#; 
5rk1/5ppp/p7/1pb1P3/7R/7P/PP2b2P/R1B4K b - - acd 3; acs 0; bm Bf3#; c0 "level: easy-1"; c3 "Bf3#"; ce 32766; dm 1; id "MG 0313"; pm Bf3#; pv Bf3#; 
5rkr/ppp2p1p/8/3qp3/2pN4/8/PPPQ1PPP/4R1K1 w - - acd 3; acs 0; bm Qg5#; c0 "level: easy-1"; c3 "Qg5#"; ce 32766; dm 1; id "MG 0499"; pm Qg5#; pv Qg5#; 
6k1/5qpp/pn1p2N1/B1p2p1P/Q3p3/2K1P2R/1r2BPP1/1r5R b - - acd 3; acs 0; bm Nxa4#; c0 "level: easy-1"; c3 "Nxa4#"; ce 32766; dm 1; id "MG 0580"; pm Nxa4#; pv Nxa4#; 
6n1/5P1k/7p/np4b1/3B4/1pP4P/5PP1/1b4K1 w - - acd 3; acs 0; bm f8=N#; c0 "Endgame"; c3 "f8=N#"; ce 32766; dm 1; id "UP 0018"; pm f8=N#; pv f8=N#; 
6q1/R2Q3p/1p1p1ppk/1P1N4/1P2rP2/6P1/7P/6K1 w - - acd 3; acs 0; bm Qh3#; c0 "level: easy-1"; c3 "Qh3#"; ce 32766; dm 1; id "MG 0549"; pm Qh3#; pv Qh3#; 
8/4r2k/Q5b1/3P2P1/1qP2b1p/5PnB/P2P3R/2KR4 b - - acd 3; acs 0; bm Qb1# Qc3#; c3 "Qb1# Qc3#"; ce 32766; dm 1; id "BWTC.0572"; pm Qb1#; pv Qb1#; 
8/6P1/5K1k/6N1/5N2/8/8/8 w - - acd 3; acs 0; bm g8=N#; c0 "Endgame"; c3 "g8=N#"; ce 32766; dm 1; id "UP 0033"; pm g8=N#; pv g8=N#; 
8/p2k4/1p5R/2pp2R1/4n3/P2K4/1PP1N3/5r2 b - - acd 3; acs 0; bm Rf3#; c0 "level: easy-1"; c3 "Rf3#"; ce 32766; dm 1; id "MG 0315"; pm Rf3#; pv Rf3#; 
8/p4pkp/8/3B1b2/3b1ppP/P1N1r1n1/1PP3PR/R4QK1 b - - acd 3; acs 0; bm Re1#; c0 "level: easy-1"; c3 "Re1#"; ce 32766; dm 1; id "MG 0333"; pm Re1#; pv Re1#; 
r1b1k2r/ppp1qppp/5B2/3Pn3/8/8/PPP2PPP/RN1QKB1R b KQkq - acd 3; acs 0; bm Nf3#; c0 "level: easy-1"; c3 "Nf3#"; c4 "mate Reinfeld.417.1001"; ce 32766; dm 1; id "WCSAC.0417"; pm Nf3#; pv Nf3#; 
r1b1kbnr/pppp1Npp/8/8/3nq3/8/PPPPBP1P/RNBQKR2 b Qkq - acd 0; acs 0; bm Nf3#; c0 "level: easy-1"; c3 "Nf3#"; ce 32766; dm 1; id "OP 0012"; pm Nf3#; pv Nf3#; 
r1b1q1kr/ppNnb1pp/5n2/8/3P4/8/PPP2PPP/R1BQKB1R b KQ - acd 3; acs 0; bm Bb4#; c0 "level: easy-1"; c3 "Bb4#"; ce 32766; dm 1; id "OP 0021"; pm Bb4#; pv Bb4#; 
r1b2rk1/pppp2p1/8/3qPN1Q/8/8/P5PP/b1B2R1K w - - acd 3; acs 0; bm Ne7#; c0 "level: easy-1"; c3 "Ne7#"; ce 32766; dm 1; id "MG 0363"; pm Ne7#; pv Ne7#; 
r1b3k1/pppn3p/3p2rb/3P1K2/2P1P3/2N2P2/PP1QB3/R4R2 b - - acd 3; acs 0; bm Nb6# Nb8# Nc5# Ne5# Nf6# Nf8#; c3 "Nb6# Nb8# Nc5# Ne5# Nf6# Nf8#"; ce 32766; dm 1; id "BWTC.0369"; pm Nb8#; pv Nb8#; 
r1b3r1/5k2/1nn1p1p1/3pPp1P/p4P2/Kp3BQN/P1PBN1P1/3R3R b - - acd 3; acs 0; bm Nc4#; c0 "level: easy-1"; c3 "Nc4#"; ce 32766; dm 1; id "MG 0329"; pm Nc4#; pv Nc4#; 
r1bk3r/p1q1b1p1/7p/nB1pp1N1/8/3PB3/PPP2PPP/R3K2R w KQ - acd 3; acs 0; bm Nf7#; c0 "level: easy-1"; c3 "Nf7#"; ce 32766; dm 1; id "MG 0237"; pm Nf7#; pv Nf7#; 
r1bknb1r/pppnp1p1/3Np3/3p4/3P1B2/2P5/P3KPPP/7q w - - acd 3; acs 0; bm Nf7#; c0 "level: easy-1"; c3 "Nf7#"; ce 32766; dm 1; id "MG 0277"; pm Nf7#; pv Nf7#; 
r1bq2kr/pnpp3p/2pP1ppB/8/3Q4/8/PPP2PPP/RN2R1K1 w - - acd 3; acs 0; bm Qc4#; c0 "level: easy-1"; c3 "Qc4#"; ce 32766; dm 1; id "MG 0552"; pm Qc4#; pv Qc4#; 
r1bqk1nr/pppp1ppp/8/2b1P3/3nP3/6P1/PPP1N2P/RNBQKB1R b KQkq - acd 3; acs 0; bm Nf3#; c0 "level: easy-1"; c3 "Nf3#"; ce 32766; dm 1; id "OP 0013"; pm Nf3#; pv Nf3#; 
r1bqkb1r/pp1npppp/2p2n2/8/3PN3/8/PPP1QPPP/R1B1KBNR w KQkq - acd 3; acs 0; bm Nd6#; c0 "level: easy-1"; c3 "Nd6#"; ce 32766; dm 1; id "OP 0024"; pm Nd6#; pv Nd6#; 
r1bqr3/pp1nbk1p/2p2ppB/8/3P4/5Q2/PPP1NPPP/R3K2R w KQ - acd 3; acs 0; bm Qb3#; c0 "level: easy-1"; c3 "Qb3#"; ce 32766; dm 1; id "MG 0525"; pm Qb3#; pv Qb3#; 
r1q1r3/ppp1bpp1/2np4/5b1P/2k1NQP1/2P1B3/PPP2P2/2KR3R w - - acd 3; acs 0; bm Nxd6#; c0 "level: easy-1"; c3 "Nxd6#"; ce 32766; dm 1; id "MG 0497"; pm Nxd6#; pv Nxd6#; 
r2Bk2r/ppp2p2/3b3p/8/1n1PK1b1/4P3/PPP2pPP/RN1Q1B1R b kq - acd 3; acs 0; bm f5#; c0 "level: easy-1"; c3 "f5#"; ce 32766; dm 1; id "MG 0334"; pm f5#; pv f5#; 
r2q1bnr/pp1bk1pp/4p3/3pPp1B/3n4/6Q1/PPP2PPP/R1B1K2R w KQ - acd 3; acs 0; bm Qa3#; c0 "level: easy-1"; c3 "Qa3#"; ce 32766; dm 1; id "MG 0515"; pm Qa3#; pv Qa3#; 
r2q1nr1/1b5k/p5p1/2pP1BPp/8/1P3N1Q/PB5P/4R1K1 w - - acd 3; acs 0; bm Qxh5#; c0 "level: easy-1"; c3 "Qxh5#"; ce 32766; dm 1; id "MG 0386"; pm Qxh5#; pv Qxh5#; 
r2qk2r/pp1n2p1/2p1pn1p/3p4/3P4/B1PB1N2/P1P2PPP/R2Q2K1 w kq - acd 3; acs 0; bm Bg6#; c0 "level: easy-1"; c3 "Bg6#"; ce 32766; dm 1; id "MG 0518"; pm Bg6#; pv Bg6#; 
r2qk2r/pp3ppp/2p1p3/5P2/2Qn4/2n5/P2N1PPP/R1B1KB1R b KQkq - acd 3; acs 0; bm Nc2#; c0 "level: easy-1"; c3 "Nc2#"; ce 32766; dm 1; id "MG 0571"; pm Nc2#; pv Nc2#; 
r2qkb1r/1bp2ppp/p4n2/3p4/8/5p2/PPP1BPPP/RNBQR1K1 w kq - acd 3; acs 0; bm Bb5#; c0 "level: easy-1"; c3 "Bb5#"; ce 32766; dm 1; id "MG 0638"; pm Bb5#; pv Bb5#; 
r2r2k1/ppp2pp1/5q1p/4p3/4bn2/2PB2N1/P1PQ1P1P/R4RK1 b - - acd 3; acs 0; bm Nh3#; c0 "level: easy-1"; c3 "Nh3#"; ce 32766; dm 1; id "MG 0442"; pm Nh3#; pv Nh3#; 
r3k1nr/p1p2p1p/2pP4/8/7q/7b/PPPP3P/RNBQ2KR b kq - acd 3; acs 0; bm Qd4#; c0 "level: easy-1"; c3 "Qd4#"; ce 32766; dm 1; id "MG 0591"; pm Qd4#; pv Qd4#; 
r3k3/bppbq2r/p2p3p/3Pp2n/P1N1Pp2/2P2P1P/1PB3PN/R2QR2K b q - acd 3; acs 0; bm Ng3#; c0 "level: easy-1"; c3 "Ng3#"; ce 32766; dm 1; id "MG 0444"; pm Ng3#; pv Ng3#; 
r3kb1r/1p3ppp/8/3np1B1/1p6/8/PP3PPP/R3KB1R w KQkq - acd 3; acs 0; bm Bb5#; c0 "level: easy-1"; c3 "Bb5#"; ce 32766; dm 1; id "MG 0288"; pm Bb5#; pv Bb5#; 
r3rqkb/pp1b1pnp/2p1p1p1/4P1B1/2B1N1P1/5N1P/PPP2P2/2KR3R w - - acd 3; acs 0; bm Nf6#; c0 "level: easy-1"; c3 "Nf6#"; ce 32766; dm 1; id "MG 0266"; pm Nf6#; pv Nf6#; 
r4k1N/2p3pp/p7/1pbPn3/6b1/1P1P3P/1PP2qPK/RNB4Q b - - acd 3; acs 0; bm Nf3#; c0 "level: easy-1"; c3 "Nf3#"; ce 32766; dm 1; id "MG 0459"; pm Nf3#; pv Nf3#; 
r5r1/pppb1p2/3npkNp/8/3P2P1/2PB4/P1P1Q2P/6K1 w - - acd 3; acs 0; bm Qe5#; c0 "level: easy-1"; c3 "Qe5#"; ce 32766; dm 1; id "MG 0520"; pm Qe5#; pv Qe5#; 
r5r1/pQ5p/1qp2R2/2k1p3/P3P3/2PP4/2P3PP/6K1 w - - acd 3; acs 0; bm Qe7# Rxc6+; c3 "Qe7# Rxc6+"; ce 32766; dm 1; id "BWTC.0725"; pm Qe7#; pv Qe7#; 
r6r/pppk1ppp/8/2b5/2P5/2Nb1N2/PPnK1nPP/1RB2B1R b - - acd 3; acs 0; bm Be3#; c0 "level: easy-1"; c3 "Be3#"; ce 32766; dm 1; id "MG 0338"; pm Be3#; pv Be3#; 
r7/1p4b1/p3Bp2/6pp/1PNN4/1P1k4/KB4P1/6q1 w - - acd 3; acs 0; bm Bf5#; c0 "level: easy-1"; c3 "Bf5#"; ce 32766; dm 1; id "MG 0241"; pm Bf5#; pv Bf5#; 
rk5r/p1q2ppp/Qp1B1n2/2p5/2P5/6P1/PP3PBP/4R1K1 w - - acd 3; acs 0; bm Qb7#; c0 "level: easy-1"; c3 "Qb7#"; ce 32766; dm 1; id "MG 0535"; pm Qb7#; pv Qb7#; 
rn1qkbnr/ppp2ppp/8/8/4Np2/5b2/PPPPQ1PP/R1B1KB1R w KQkq - acd 3; acs 0; bm Nf6#; c0 "level: easy-1"; c3 "Nf6#"; ce 32766; dm 1; id "OP 0017"; pm Nf6#; pv Nf6#; 
rnb3r1/pp1pb2p/2pk1nq1/6BQ/8/8/PPP3PP/4RRK1 w - - acd 3; acs 0; bm Bf4#; c0 "level: easy-1"; c3 "Bf4#"; ce 32766; dm 1; id "MG 0492"; pm Bf4#; pv Bf4#; 
rnbq3r/pppp2pp/1b6/8/1P2k3/8/PBPP1PPP/R2QK2R w KQ - acd 3; acs 0; bm Qf3#; c0 "level: easy-1"; c3 "Qf3#"; ce 32766; dm 1; id "OP 0010"; pm Qf3#; pv Qf3#; 
rnbqkb1r/ppp2ppp/8/3p4/8/2n2N2/PP2BPPP/R1B1R1K1 w kq - acd 3; acs 0; bm Bb5#; c0 "level: easy-1"; c3 "Bb5#"; ce 32766; dm 1; id "MG 0258"; pm Bb5#; pv Bb5#; 
rnbqkr2/pp1pbN1p/8/3p4/2B5/2p5/P4PPP/R3R1K1 w q - acd 3; acs 0; bm Nd6#; c0 "level: easy-1"; c3 "Nd6#"; ce 32766; dm 1; id "MG 0246"; pm Nd6#; pv Nd6#;
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sje
Posts: 4675
Joined: Mon Mar 13, 2006 7:43 pm

35 stubborn BWTC problems

Post by sje »

No forced mates found yet with a 512 second hard time limit per position:

Code: Select all

r2qk1r1/p4p2/bp2pQp1/1n1pP1Bp/7P/3P2N1/P1R2PP1/2R3K1 w q - 0 1 nc 169789554; pd 13; pt 2:51.329; pv Rc8 Rxc8 Rxc8 Kd7 Rxd8+ Rxd8 Qxd8+ Kc6 Qe8+ Kc5 Qxf7 Nc3 Qxg6; ss +10.152; wt 2:51.129;
2qrr1n1/3b1kp1/2pBpn1p/1p2PP2/p2P4/1BP5/P3Q1PP/4RRK1 w - - 0 1 nc 44014015; pd 13; pt 48.144; pv exf6 Nxf6 fxe6+ Bxe6 Rxf6+ gxf6 Bxe6+ Rxe6 Qh5+ Kg8 Qg4+ Kf7 Qh5+; ss Even; wt 48.141;
2k4r/1pp1q1p1/2n1b3/1Q3p1p/2Pr2n1/6P1/3NPPBP/R4RK1 w - - 0 1 nc 49721293; pd 13; pt 55.560; pv Qxb7+ Kxb7 Rfb1+ Qb4 Rxb4+ Kc8 Bxc6 Kd8 Rb8+ Ke7 Rxh8 Rxd2 h3; ss +3.002; wt 55.962;
r1b4k/ppp2Bb1/6Pp/3pP3/1qnP1p1Q/8/PPP3P1/1K1R3R w - - 0 1 nc 43140281; pd 17; pt 53.872; pv Qd8+ Qf8 Rxh6+ Bxh6 Qxf8+ Bxf8 Rh1+ Bh6 Rxh6+ Kg7 Rh7+ Kf8 Bxd5 Nd2+ Kc1 c6 Bxc6; ss +0.951; wt 53.964;
r4r1k/1ppn1p1p/3p1pn1/p2P1N2/2P2PB1/5R1Q/PPq3PP/R5K1 w - - 0 1 nc 7999482; pd 11; pt 9.421; pv Qh6 Qxf5 Rh3 Nxf4 Bxf5 Nxh3+ Qxh3 h5 Qxh5+ Kg7 Bxd7; ss +8.302; wt 9.415;
b2qr1k1/5ppp/pn6/1p1n1N2/3PR3/P2B4/1B3PPP/2Q3K1 w - - 0 1 nc 79947878; pd 11; pt 1:39.305; pv Qg5 g6 Qh6 gxf5 Rg4+ fxg4 Bxh7+ Kh8 Bf5+ Kg8 Bh7+; ss Even; wt 1:39.355;
r1b2r2/3pNpkp/3pn1p1/2pN3P/2PnP3/q3QP2/4BKP1/1R5R w - - 0 1 nc 268884001; pd 9; pt 5:06.047; pv Qd2 g5 Nb6 Rb8 Nbxc8 Rfxc8 Nxc8 Rxc8 Bd3; ss +0.496; wt 5:09.674;
r1bq1r2/ppp2pkp/3p2nn/2bN2NQ/2B1P3/8/PPp3PP/R1B2R1K w - - 0 1 nc 62796371; pd 11; pt 1:14.657; pv Qxh6+ Kxh6 Ne6+ Nf4 Nxd8 Rxd8 Nxc7 Rb8 Bxf4+ Kg7 Bxf7; ss +3.634; wt 1:14.576;
r1bq3k/pp2R2p/3B1bp1/2pB1p2/2Pp4/3P2Q1/P1P3PP/6K1 w - - 0 1 nc 79287289; pd 11; pt 1:19.952; pv Qe5 Qxd6 Qxd6 Be6 Qxe6 Rf8 Re8 Kg7 Qd7+ Kh6 Rxf8; ss +12.968; wt 1:19.845;
r1bk3r/pp5p/2nN4/3N2qn/2Kbppp1/P7/1PP1B1P1/R1BQ3R b - - 0 1 nc 276355509; pd 12; pt 5:40.412; pv Be6 Nxb7+ Kc8 Nd6+ Kd7 Kb3 Kxd6 c4 Bxd5 cxd5 Qxd5+ Ka4; ss +5.934; wt 5:44.783;
1r3rk1/3b2p1/3q1nQp/R7/2p1p3/2N4P/PP2R1P1/1B5K b - - 0 1 nc 101589173; pd 14; pt 1:59.617; pv Ng4 g3 Qxg3 Rf5 Qxh3+ Kg1 Qg3+ Kh1 Rxf5 Qxf5 Bxf5 Bxe4 Bxe4+ Nxe4; ss +10.030; wt 2:00.137;
r1b4r/pp1pR2p/2q2p1k/6p1/3BR3/2PB4/P1P2PPP/6K1 w - - 0 1 nc 131471876; pd 9; pt 2:18.075; pv Rf7 Qxe4 Bxe4 d5 Bxd5 Rd8 Bxb7 Bxb7 Rxb7; ss +0.250; wt 2:17.973;
6k1/p4p2/1p2p1p1/4P3/PP2bP2/2B1b2p/6PP/6RK b - - 0 1 nc 421625864; pd 16; pt 6:06.405; pv Kh7 a5 Kh6 axb6 Kh5 b7 Bxb7 Be1 Bxf4 Bf2 Bxe5 Bxa7 hxg2+ Rxg2 Bxg2+ Kxg2; ss +1.867; wt 6:05.944;
r3r1k1/pp3ppp/3b4/3q4/1n1B1P2/3B1P2/PP2Q2P/1K1R2R1 w - - 0 1 nc 7797504; pd 17; pt 8.327; pv Rxg7+ Kf8 Rg8+ Kxg8 Rg1+ Kf8 Bg7+ Kg8 Bf6+ Kf8 Rg8+ Kxg8 Qg2+ Qg5 Qxg5+ Kf8 Bxh7; ss +0.511; wt 8.330;
r1b1r1k1/ppq2p1p/3b1ppQ/2n5/8/3B2N1/PPP2PPP/R1B2RK1 w - - 0 1 nc 57408842; pd 15; pt 1:13.934; pv Nh5 Bxh2+ Kh1 gxh5 Bxh7+ Kh8 Bg6+ Kg8 Qh7+ Kf8 Bh6+ Ke7 Qxf7+ Kd6 Qxe8; ss +3.413; wt 1:13.829;
r1b2rk1/ppqn1p1p/2n1p1p1/2b3N1/2N5/PP1BP3/1B3PPP/R2QK2R w KQ - 0 1 nc 3539236; pd 8; pt 4.363; pv Qh5 h6 Qxh6 Nf6 Bxf6 Bb4+ axb4 Re8; ss +7.770; wt 4.356;
r1b2rk1/pp1p1pp1/1q1n2np/2b3NQ/2B1N3/8/PP3PPP/R1B2RK1 w - - 0 1 nc 390371691; pd 12; pt 7:44.379; pv Qxg6 Re8 Nxd6 Qxd6 Qxf7+ Kh8 Qxe8+ Qf8 Qg6 Bxf2+ Rxf2 Qc5; ss +11.587; wt 7:43.839;
r1bq1r2/pp4k1/4p2p/3pPp1Q/3N1R1P/2PB4/6P1/6K1 w - - 0 1 nc 111267300; pd 14; pt 1:53.944; pv Rg4+ Qg5 hxg5 Rf7 Qxh6+ Kg8 Rh4 Rg7 Qh8+ Kf7 g6+ Ke7 Qxg7+ Ke8; ss +10.859; wt 1:53.844;
5rk1/4R1p1/pqpp3p/2bp1b1Q/5P2/2P4P/P2B2PK/4R3 w - - 0 1 nc 304960886; pd 11; pt 5:44.668; pv Re8 Be4 c4 Bf2 Re2 Bg1+ Kh1 Bd4 cxd5 Bxd5 Qf5; ss +0.357; wt 5:44.370;
r3nr1k/ppqbNpp1/7p/2p1p3/2B4Q/P4P2/1PP4P/2KR2R1 w - - 0 1 nc 109729649; pd 13; pt 2:02.760; pv Rxg7 Qb6 Rg6 Qxg6 Nxg6+ Kg7 Nxf8 Bb5 Rg1+ Kxf8 Qxh6+ Ke7 Bxb5; ss +9.162; wt 2:02.659;
6k1/5rpp/8/2Np4/1Pn3R1/4Q2P/q2r1PP1/5RK1 w - - 0 1 nc 191294957; pd 13; pt 3:20.060; pv Qe8+ Rf8 Qe7 Qb2 Nd7 Rb8 Nf6+ Qxf6 Qxf6 g6 Qe6+ Kh8 Rb1; ss +6.647; wt 3:22.819;
2rr1k2/p4p1Q/1pq2bpp/3N4/8/P2R3P/1P3PP1/4R1K1 w - - 0 1 nc 44344838; pd 11; pt 49.719; pv Ne7 Be5 Nxc6 Rxd3 Nxe5 Ke7 Qxf7+ Kd8 Qf6+ Kc7 Nxd3; ss +13.937; wt 49.841;
r3rn1k/pbqnb1pp/1pp2p2/2P2P2/2BPQ2N/P3PR2/1P4PP/R1B3K1 w - - 0 1 nc 132962944; pd 14; pt 2:36.554; pv Qe6 Qxh2+ Kxh2 Bd6+ Qxd6 Rad8 Qc7 Rb8 cxb6 Re4 Rf4 Rxf4 Qxf4 axb6; ss +10.280; wt 2:36.354;
1k6/p5p1/PpB4p/2b5/4P1b1/2N5/1P3qPP/2Q4K b - - 0 1 nc 244590025; pd 13; pt 3:57.889; pv Be3 Qxe3 Qxe3 h3 Bxh3 Kh2 Bg4 Bd5 Qf4+ Kg1 Qc1+ Kh2 Qxb2; ss +7.418; wt 3:57.585;
5rk1/p5p1/1ppp1r2/1P5p/2PRp3/2P1P1qP/P5P1/2QR3K b - - 0 1 nc 33257842; pd 11; pt 34.378; pv Rf2 Rg1 R8f3 Qf1 Rxf1 Rd2 Rxg1+ Kxg1 Qe1+ Kh2 Qxd2; ss +14.670; wt 34.372;
r3k2r/pp4pp/2pb1n2/3pq3/4pB2/1BN2bP1/PPPQ1P1P/R4RK1 b kq - 0 1 nc 102563319; pd 13; pt 2:12.498; pv Qe6 Nxd5 Qh3 Ne3 Ng4 Bf7+ Kxf7 Rfe1 Bxf4 gxf4 Qxh2+ Kf1 Qxf4; ss +5.685; wt 2:12.312;
2r3k1/pp3p1p/7r/3pq3/8/1RPQPpP1/P6P/3R2K1 b - - 0 1 nc 173257094; pd 11; pt 3:18.110; pv Rxh2 Kxh2 Rc6 Rb6 Rxb6 Qxh7+ Kxh7 Rd4 Rb2+ Kh3 Rxa2; ss +11.422; wt 3:20.705;
2r4r/3Q1bk1/pq4p1/5R2/2p5/2P2P2/PP5P/6RK b - - 0 1 nc 111203190; pd 17; pt 1:57.492; pv Rxh2+ Kxh2 Qf2+ Rg2 Rh8+ Rh5 Rxh5+ Qh3 Rxh3+ Kxh3 Qxf3+ Kh2 Bd5 Rc2 Qf4+ Kg1 Kh8; ss +7.006; wt 1:59.359;
rn3rk1/pp3ppp/3b1n2/2pPq3/2B1P3/1NN2bP1/PPPQ1P1P/R1B2RK1 b - - 0 1 nc 155590512; pd 9; pt 3:27.710; pv Bxe4 f3 Bg6 Qf2 Qe7 Re1 Qd8 Bg5 Nbd7; ss -1.347; wt 3:27.432;
rnb4r/ppp1q3/6kp/3PB3/3P2pP/2b5/PPP3P1/R2Q1RK1 w - - 0 1 nc 51801057; pd 12; pt 55.024; pv Qd3+ Kh5 Rf5+ Qg5 Rxg5+ hxg5 Bxh8 gxh4 Qxc3 c6 Be5 Bd7; ss +6.666; wt 55.005;
r1br4/3n1Q2/p3p2p/1p1k4/4N2b/P3q3/1P4PP/1BR2R1K w - - 0 1 nc 183048154; pd 15; pt 3:30.071; pv Rfd1+ Ke5 Qg7+ Nf6 Qc7+ Kf5 Rf1+ Bf2 Nxf2+ Rd3 Nd1+ Kg5 Qg7+ Kh5 Nxe3; ss +9.706; wt 3:29.839;
2Q5/5ppk/7p/Q7/8/5P1R/5KPP/1q1q4 b - - 0 1 nc 86687885; pd 16; pt 1:40.665; pv Qd4+ Kg3 Qd6+ f4 Qbd3+ Kg4 Qe2+ Rf3 Qxg2+ Rg3 Qg6+ Qg5 Qe2+ Kh3 hxg5 fxg5; ss +4.020; wt 1:40.619;
r3r1k1/4qppp/6B1/1QpR4/8/2P5/P4KPP/R7 b - - 0 1 nc 17363918; pd 12; pt 19.387; pv Rxa2+ Kg3 Rxa1 Bc2 Qe3+ Kh4 Rh1 Rd2 Rf8 Qd3 Rxh2+ Kg4; ss +4.050; wt 19.367;
r5kr/p3PR1p/1p4pq/4p3/8/3B4/P4QPP/6K1 w - - 0 1 nc 277669889; pd 15; pt 4:44.689; pv Qf6 b5 Bxb5 Qe3+ Kh1 Qc1+ Bf1 Qxf1+ Qxf1 Rc8 Rf8+ Kg7 Qf6+ Kh6 Qxh8; ss +9.060; wt 4:44.995;
r2k3r/pbp2pp1/6p1/8/2Bp4/P1nP4/P4PPP/R1B2RK1 b - - 0 1 nc 421627404; pd 13; pt 6:49.165; pv Ne2+ Kh1 Kd7 Bf4 Nxf4 Rfe1 Bxg2+ Kg1 f6 Rab1 Rab8 Rxb8 Rxb8; ss +5.673; wt 6:48.688;
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Dann Corbit
Posts: 12838
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: 35 stubborn BWTC problems

Post by Dann Corbit »

These 5 should be pretty easy for a chess engine or a mate solver (here is chest output, they are all mate in 7 or 6):

2rr1k2/p4p1Q/1pq2bpp/3N4/8/P2R3P/1P3PP1/4R1K1 w - - acn 432379; acs 1; bm Ne7; ce 32756; dm 6; pv Ne7 Be5 Nxc6 Bf6 Nxd8 Bg7 Re8+ Kxe8 Qg8+ Bf8 Qxf7#;
5rk1/p5p1/1ppp1r2/1P5p/2PRp3/2P1P1qP/P5P1/2QR3K b - - acn 2628856; acs 5; bm Rf2; ce 32756; dm 6; pv Rf2 Rg1 R8f3 Qf1 Rxf1 Rxe4 Qxg2+ Kxg2 R1f2+ Kh1 Rxh3#;
r1b2rk1/ppqn1p1p/2n1p1p1/2b3N1/2N5/PP1BP3/1B3PPP/R2QK2R w KQ - acn 780307; acs 1; bm Qh5; ce 32756; dm 6; pv Qh5 Bb4+ axb4 Nf6 Bxf6 Qxh2 Qxh7+ Qxh7 Rxh7 e5 Rh8#;
b2qr1k1/5ppp/pn6/1p1n1N2/3PR3/P2B4/1B3PPP/2Q3K1 w - - acn 12751567; acs 23; bm Qg5; ce 32754; dm 7; pv Qg5 g6 Qh6 gxf5 Rg4+ fxg4 Bxh7+ Kh8 Bg6+ Kg8 Qh7+ Kf8 Qxf7#;
r1bq3k/pp2R2p/3B1bp1/2pB1p2/2Pp4/3P2Q1/P1P3PP/6K1 w - - acn 17113805; acs 24; bm Qe5; ce 32754; dm 7; pv Qe5 Qxd6 Qxd6 Be6 Qxe6 Rf8 Rf7 Bg5 Qe5+ Bf6 Qxf6+ Kg8 Rxf8#;
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Dann Corbit
Posts: 12838
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: 35 stubborn BWTC problems

Post by Dann Corbit »

Chest solutions for the mate in 8 problems (slowest took 5 min + 5 sec):

2r3k1/pp3p1p/7r/3pq3/8/1RPQPpP1/P6P/3R2K1 b - - acn 190813909; acs 305; bm Rxh2; ce 32752; dm 8; pv Rxh2 Kxh2 Rc6 Qxh7+ Kxh7 Rb6 axb6 Rd4 Rh6+ Rh4 Rxh4+ Kg1 Qxe3+ Kf1 Rh1#;
r1bq1r2/pp4k1/4p2p/3pPp1Q/3N1R1P/2PB4/6P1/6K1 w - - acn 158326523; acs 253; bm Rg4+; ce 32752; dm 8; pv Rg4+ Qg5 hxg5 Rf7 gxh6+ Kf8 h7 fxg4 h8=Q+ Ke7 Qg5+ Rf6 Qhxf6+ Kd7 Qe7#;
r3k2r/pp4pp/2pb1n2/3pq3/4pB2/1BN2bP1/PPPQ1P1P/R4RK1 b kq - acn 101844029; acs 155; bm Qe6 Qf5; ce 32752; dm 8; pv Qf5 Qxd5 cxd5 Ba4+ Kf7 Be8+ Raxe8 Nxd5 Nxd5 g4 Qxg4+ Bg3 Qh3 c3 Qg2#;
r5kr/p3PR1p/1p4pq/4p3/8/3B4/P4QPP/6K1 w - - acn 20988352; acs 32; bm Qf6; ce 32752; dm 8; pv Qf6 b5 Bxb5 Qe3+ Kh1 Qe1+ Bf1 Qxf1+ Qxf1 h6 Rf8+ Rxf8 exf8=Q+ Kh7 Q8f7#;
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Dann Corbit
Posts: 12838
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: 35 stubborn BWTC problems

Post by Dann Corbit »

Some of the mate in 9 problems take Chest a long time to solve, though chess engines tend to solve them very quickly.

Code: Select all

r1b2rk1/pp1p1pp1/1q1n2np/2b3NQ/2B1N3/8/PP3PPP/R1B2RK1 w - - acn 1074368724; acs 2041; bm Qxg6; ce 32750; dm 9; pv Qxg6 Re8 Nxd6 Qxd6 Qxf7+ Kh8 Qxe8+ Qf8 Qg6 Qg8 Bxg8 Kxg8 Qf7+ Kh8 Qe8+ Bf8 Qxf8#;
r1b4k/ppp2Bb1/6Pp/3pP3/1qnP1p1Q/8/PPP3P1/1K1R3R w - - acn 20698860; acs 29; bm Qd8+; ce 32750; dm 9; pv Qd8+ Qf8 Rxh6+ Bxh6 Qf6+ Qg7 Rh1 Nd2+ Kc1 Nb3+ axb3 Bh3 Rxh3 Qxf6 exf6 f3+ Rxh6#;
r1bk3r/pp5p/2nN4/3N2qn/2Kbppp1/P7/1PP1B1P1/R1BQ3R b - - acn 47657895; acs 111; bm Qxd5+; ce 32750; dm 9; pv Qxd5+ Kxd5 Nf6+ Kc4 Be6+ Kb5 a6+ Ka4 b5+ Nxb5 axb5+ Kxb5 Ra5+ Kxc6 Bd5+ Kd6 Ne8#;
r1br4/3n1Q2/p3p2p/1p1k4/4N2b/P3q3/1P4PP/1BR2R1K w - - acn 769418783; acs 8887; bm Rf5+ Rfd1+; ce 32750; dm 9; pv Rfd1+ Ke5 Rc5+ Nxc5 Qg7+ Kf4 Rf1+ Qf2 Nxf2 Nd3 Nxd3+ Ke3 Re1+ Bxe1 Qe5+ Kd2 Qxe1#;
r3r1k1/4qppp/6B1/1QpR4/8/2P5/P4KPP/R7 b - - acn 81580049; acs 118; bm Rxa2+; ce 32750; dm 9; pv Rxa2+ Kg3 Qe3+ Kh4 Re4+ Bxe4 Qxe4+ Kh3 Qxg2+ Kh4 Qe4+ Kh3 Qf3+ Kh4 Rxh2+ Kg5 h6#;
r3r1k1/pp3ppp/3b4/3q4/1n1B1P2/3B1P2/PP2Q2P/1K1R2R1 w - - acn 8852774; acs 15; bm Rxg7+; ce 32750; dm 9; pv Rxg7+ Kf8 Rg8+ Kxg8 Rg1+ Kf8 Bg7+ Kg8 Bf6+ Kf8 Rg8+ Kxg8 Qg2+ Qg5 Qxg5+ Kf8 Qg7#;
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