It looks like the positions are extremely difficult.
Stockfish and Clones can’t solve a single position.
https://www.mediafire.com/file/dg8q0qcf ... 2.pgn/file
New Stockfish Testsuite 2022 is available
Moderator: Ras
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Magnum
- Posts: 195
- Joined: Thu Feb 04, 2021 10:24 pm
- Full name: Arnold Magnum
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Jouni
- Posts: 3758
- Joined: Wed Mar 08, 2006 8:15 pm
- Full name: Jouni Uski
Re: New Stockfish Testsuite 2022 is available
Wrong! ShashChess 20.2 solves 16/27 with 1 minute level.
Jouni
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Eduard
- Posts: 1439
- Joined: Sat Oct 27, 2018 12:58 am
- Location: Germany
- Full name: N.N.
Re: New Stockfish Testsuite 2022 is available
Position 1 no sense for engines.
Position 2 no sense.
Position 3:
2r3k1/1bp3pp/pp1pNn1r/3P1p1q/1PP1pP2/P3P1P1/3Q3P/2RR1BK1 w - - 0 1
Analysis by Solista Classic:
1.a4 Ng4 2.h4 Nf6 3.Be2 Qf7 4.a5 bxa5 5.bxa5 Nd7 6.c5 Nxc5 7.Qb4 Ba8 8.Nxc5 dxc5 9.Qxc5 Rd8 10.Qxc7 Rhd6 11.Qxf7+ Kxf7 12.Rc7+ Kf8 13.Ra7 Rxd5 14.Rxd5 Bxd5 15.Bxa6 Rb8 16.Be2 Rb2 17.Kf1 Rb1+ 18.Kf2 Rb2 19.Rc7 Ke8 20.Ke1 Rb1+ 21.Kd2 Rb2+ 22.Rc2 Rb1 23.a6 Kd7 24.a7
+- (3.76 ++) Depth: 30/49 00:00:45 812MN, tb=980
My engine says +3.76 after a4. Is it not enought? Why to find c5? After c5 +4.
Position 4 Puhhhhhh.
Position 5:
rnbq3r/1p2b1k1/2pp1p1p/pP3pp1/2BP3N/P3P3/2P2PPP/RN1Q1RK1 w - - 0 1
Analysis by Solista Classic:
1.Ng6 cxb5 2.Nxe7 bxc4 3.Nxc8 Qxc8 4.Nc3 b5 5.Qb1 Nc6 6.Qxb5 Ne7 7.Rab1 Re8 8.d5 h5 9.Rfd1 h4 10.h3 Kg6 11.Rd4 Rb8 12.Qxa5 Rxb1+ 13.Nxb1 Qa8 14.Qxa8 Rxa8
+- (2.22) Depth: 33/46 00:00:47 841MN, tb=19
Position 7: Nf6+ wins too!
Pos 8:
2r2r1k/qb3p1p/p2p1Np1/np1Pp1P1/2P5/3RP2P/5R2/4Q1K1 w - - 0 1
Analysis by Solista Classic:
1.Rf4 h5 2.Qh4 Rxc4 3.Rxc4 Nxc4 4.Nxh5 gxh5 5.Qxh5+ Kg8 6.g6 Kg7 7.Qh7+ Kf6 8.Qh4+ Kxg6 9.Qg4+ Kf6 10.Qh4+ Kg6
= (0.00) Depth: 25/21 00:00:02 37441kN, tb=104
Very easy for my Engine.
Position 9: no sense.
Pos 11: What a no sense Position.
Pos 19, haha no sense Position.
(---)
20 positions are absolutely nonsense for testing. I do not have time for that. Sorry!
Position 2 no sense.
Position 3:
2r3k1/1bp3pp/pp1pNn1r/3P1p1q/1PP1pP2/P3P1P1/3Q3P/2RR1BK1 w - - 0 1
Analysis by Solista Classic:
1.a4 Ng4 2.h4 Nf6 3.Be2 Qf7 4.a5 bxa5 5.bxa5 Nd7 6.c5 Nxc5 7.Qb4 Ba8 8.Nxc5 dxc5 9.Qxc5 Rd8 10.Qxc7 Rhd6 11.Qxf7+ Kxf7 12.Rc7+ Kf8 13.Ra7 Rxd5 14.Rxd5 Bxd5 15.Bxa6 Rb8 16.Be2 Rb2 17.Kf1 Rb1+ 18.Kf2 Rb2 19.Rc7 Ke8 20.Ke1 Rb1+ 21.Kd2 Rb2+ 22.Rc2 Rb1 23.a6 Kd7 24.a7
+- (3.76 ++) Depth: 30/49 00:00:45 812MN, tb=980
My engine says +3.76 after a4. Is it not enought? Why to find c5? After c5 +4.
Position 4 Puhhhhhh.
Position 5:
rnbq3r/1p2b1k1/2pp1p1p/pP3pp1/2BP3N/P3P3/2P2PPP/RN1Q1RK1 w - - 0 1
Analysis by Solista Classic:
1.Ng6 cxb5 2.Nxe7 bxc4 3.Nxc8 Qxc8 4.Nc3 b5 5.Qb1 Nc6 6.Qxb5 Ne7 7.Rab1 Re8 8.d5 h5 9.Rfd1 h4 10.h3 Kg6 11.Rd4 Rb8 12.Qxa5 Rxb1+ 13.Nxb1 Qa8 14.Qxa8 Rxa8
+- (2.22) Depth: 33/46 00:00:47 841MN, tb=19
Position 7: Nf6+ wins too!
Pos 8:
2r2r1k/qb3p1p/p2p1Np1/np1Pp1P1/2P5/3RP2P/5R2/4Q1K1 w - - 0 1
Analysis by Solista Classic:
1.Rf4 h5 2.Qh4 Rxc4 3.Rxc4 Nxc4 4.Nxh5 gxh5 5.Qxh5+ Kg8 6.g6 Kg7 7.Qh7+ Kf6 8.Qh4+ Kxg6 9.Qg4+ Kf6 10.Qh4+ Kg6
= (0.00) Depth: 25/21 00:00:02 37441kN, tb=104
Very easy for my Engine.
Position 9: no sense.
Pos 11: What a no sense Position.
Pos 19, haha no sense Position.
(---)
20 positions are absolutely nonsense for testing. I do not have time for that. Sorry!
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Uri Blass
- Posts: 11115
- Joined: Thu Mar 09, 2006 12:37 am
- Location: Tel-Aviv Israel
Re: New Stockfish Testsuite 2022 is available
Stockfish could solve position number 2 with 9 options at depth 40
It seems that a6 is also winning bur Kc8 is a forced mate in 14 moves.
[fen]4k1br/1K1p1n1r/2p2pN1/P2p1N2/2P3pP/5B2/P2P4/8 w - - 0 1[/fen]
Stockfish_22101610_x64_avx2:
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39/72 43:57 18,058,820k 6,847k -10.94 Kb7-c8 g4xf3 a5-a6 f3-f2 a6-a7 f2-f1Q a7-a8N Qf1-f4 Ng6xf4 Nf7-e5 Na8-c7+ Ke8-f8 c4xd5 c6xd5 h4-h5 Bg8-e6 Nf5-d4 Kf8-f7+ Kc8-b7 Rh8-g8 Nc7-b5 f6-f5 Kb7-b6 Kf7-f6 a2-a4 Ne5-c4+ Kb6-b7 Kf6-g5 Nf4-h3+ Kg5-g4 Nh3-f2+ Kg4xh5 Nf2-d3 Kh5-g4 Nd3-f2+ Kg4-g3 Nf2-d3 Rh7-h2 Nd3-c5 f5-f4 d2-d3 Nc4-e3 Kb7-c7 Rh2-c2 Nd4xc2 Ne3xc2 Nb5-c3 f4-f3 Nc3-e4+ Kg3-g2 a4-a5 Nc2-d4
39/65 43:57 18,058,820k 6,847k -10.20 Bf3-h1 Rh7-h5 a5-a6 Rh5xf5 a6-a7 Nf7-d8+ Kb7-b6 d5xc4 a2-a4 Rh8-h7 Bh1-e4 Rf5-f2 Ng6-f8 Ke8xf8 a7-a8Q Kf8-e7 Qa8-a5 Nd8-e6 Qa5-c3 Rh7xh4 Qc3-e3 Rf2-h2 Be4-f5 Rh2-h3 Qe3-g1 Rh3-b3+ Kb6-a7 g4-g3 Bf5-c2 Bg8-h7 Bc2-d1 Bh7-d3 Qg1xg3 Rh4-d4 Qg3-f2 Rb3-b1 a4-a5 Rd4-f4 Qf2-g2 Rb1-a1
39/75 43:57 18,058,820k 6,847k -9.66 Bf3-e4 d5xe4 a5-a6 Nf7-e5 Nf5-d6+ Ke8-d8 a6-a7 Ne5xg6 a7-a8Q+ Kd8-e7 Qa8-a3 Bg8-e6 Nd6xe4+ Ke7-f7 h4-h5 Rh7xh5 d2-d4 Ng6-e7 Qa3-c3 Rh5-h3 Qc3-b2 Rh3-h2 Qb2-a1 Rh2-h1 Qa1-b2 d7-d5 Ne4-d6+ Kf7-g6 c4-c5 Rh1-h7 Qb2-b1+ Ne7-f5+ Kb7xc6 g4-g3 a2-a4 Rh7-h4 Nd6xf5 Be6xf5 Qb1-g1 Rh4-g4 a4-a5 g3-g2 a5-a6 Rh8-h1 Qg1xg2 Rg4xg2 Kc6xd5 Rg2-d2 c5-c6 Rh1-a1
39/67 43:57 18,058,820k 6,847k -9.29 Kb7-b6 Nf7-e5 Nf5-d6+ Ke8-d8 a5-a6 Ne5xg6 a6-a7 Bg8-e6 a7-a8Q+ Kd8-e7 Qa8-a3 g4xf3 Nd6-f5+ Ke7-f7 Nf5-d6+ Kf7-g7 Qa3xf3 Rh7xh4 c4-c5 Rh4-a4 Qf3-e3 Ra4-b4+ Kb6-c7 Rh8-a8 Qe3-g1 Rb4-a4 Qg1-f2 Ra4xa2 Kc7-b7 Ra2-a7+ Kb7-b6 Ra7-a6+ Kb6-c7 Ra6-a4 Kc7-b7 Ra8-h8 Qf2-f3 Rh8-f8 Qf3-b3 Rf8-a8 Qb3-d1 Ra4-a7+ Kb7-b6 Ra7-a2 Kb6-c7 d5-d4 Qd1-g1 Ra2-a4 Nd6-c8 Ra8xc8+ Kc7xc8 Ra4-c4 Kc8-c7 Rc4xc5 Qg1xd4 Rc5-c4
39/59 43:57 18,058,820k 6,847k -9.04 Bf3-g2 Rh7-h5 a5-a6 Rh5xf5 a6-a7 Nf7-d8+ Kb7-b6 d5xc4 a7-a8Q Rh8-h7 Qa8-a3 Rf5-b5+ Kb6-a6 Nd8-e6 Qa3-d6 Ke8-f7 Ng6-e7 Rh7-h5 Ne7-c8 Rb5-a5+ Ka6-b7 Rh5-b5+ Nc8-b6 Ne6-c5+ Kb7-c7 Ra5-a7+ Kc7-c8 Nc5-e6 Nb6xc4 Ra7-c7+ Qd6xc7 Ne6xc7 Kc8xd7 Rb5-b4 Nc4-e3 Nc7-d5 Ne3xg4 Rb4xg4 Bg2-f3 Rg4-g3 Bf3-e4 Rg3-a3 Kd7-d6 Nd5-f4 Kd6-c5 f6-f5 Kc5-b4 c6-c5+ Kb4-b5 f5xe4 Kb5xc5 Kf7-e6
39/65 43:57 18,058,820k 6,847k -7.82 Bf3-d1 Ke8-d8 Ng6xh8 Nf7-e5 a5-a6 d7-d6+ Kb7-b6 Ne5xc4+ Kb6xc6 Rh7-a7 Kc6-b5 Bg8-e6 Bd1xg4 Be6-d7+ Kb5-b4 Nc4-e5 Kb4-a5 Kd8-c7 h4-h5 Ne5-c6+ Ka5-b5 Ra7-a8 Nf5-e3 Nc6-a7+ Kb5-b4 Bd7xg4 Ne3xd5+ Kc7-c6 Nd5xf6 Ra8xh8 Nf6xg4 Rh8xh5 Ng4-e3 Rh5-h4+ Kb4-b3 Kc6-c5 Ne3-d1 d6-d5 Nd1-c3 Rh4-h8 Nc3-a4+ Kc5-c6 Na4-c3 Rh8-a8 Nc3-e2 Ra8-b8+ Kb3-c2 Kc6-c5 Ne2-c3 Rb8-h8 Nc3-a4+ Kc5-c6 Na4-c3 d5-d4 Nc3-e2 Kc6-c5 Ne2-f4 Na7-c6 a2-a4
39/90 43:57 18,058,820k 6,847k -5.33 Bf3-e2 Nf7-e5 Nf5-d6+ Ke8-d8 a5-a6 Ne5xg6 a6-a7 Kd8-e7 Nd6-c8+ Ke7-f8 a7-a8Q Bg8-e6 c4xd5 c6xd5 Qa8-b8 Kf8-g7 Qb8-d6 Rh7xh4 Be2-b5 Rh8-f8 a2-a4 d5-d4 Nc8-e7 Ng6xe7 Qd6xe7+ Rf8-f7 Qe7-d6 Rh4-h5 Qd6-g3 Rh5-g5 Bb5-f1 Rf7-f8 Bf1-g2 Rf8-h8 Kb7-b6 Rh8-h5 Qg3-d6 Rg5-e5 Qd6-e7+ Be6-f7 Qe7xd7 g4-g3 Qd7xd4 Rh5-g5 Qd4-g1 Re5-e6+ Kb6-c7 Re6-e2 d2-d3 Re2-f2
39/44 43:57 18,058,820k 6,847k 0.00 Bf3xg4 Nf7-e5 Nf5-d6+ Ke8-d8 a5-a6 Ne5xg6 a6-a7 Bg8-e6 a7-a8Q+ Kd8-e7 Nd6-f5+ Be6xf5 Qa8-a3+ Ke7-e6 Bg4xf5+ Ke6xf5 Qa3-d3+ Kf5-e6 Qd3xg6 Rh7xh4 a2-a4 Rh4xc4 Qg6-g7 Rh8-h1 a4-a5 Rh1-a1 Qg7-g8+ Ke6-f5 Qg8-h7+ Kf5-f4 Qh7-h4+ Kf4-e5 Qh4-g3+ Ke5-f5 Qg3-h3+ Kf5-g5 a5-a6 Rc4-a4 Qh3-g3+ Kg5-f5 Qg3-f3+ Kf5-g6 Qf3-g3+
39/68 43:57 18,058,820k 6,847k +2.75 a5-a6 Nf7-e5 Nf5-d6+ Ke8-d8 a6-a7 Ne5xg6 a7-a8Q+ Kd8-e7 Nd6-f5+ Ke7-f7 Bf3xg4 Ng6-e5 Bg4-d1 d5xc4 Bd1-c2 Ne5-d3 Qa8-a3 c6-c5 Bc2xd3 c4xd3 Qa3xd3 Kf7-e8 Nf5-d6+ Ke8-e7 Nd6-c8+ Ke7-f8 Qd3-d6+ Kf8-g7 a2-a4 Bg8-e6 a4-a5 Rh7xh4 a5-a6 Rh4-d4 Qd6-g3+ Rd4-g4 Qg3-a3 d7-d6 Nc8xd6 Rh8-d8 Kb7-c6 Rg4-d4 Qa3-g3+ Rd4-g4 Qg3-h2 Rg4-a4 Kc6-b6 Ra4-b4+ Kb6xc5 Rb4-a4 Kc5-b6 Ra4-b4+ Kb6-a5 Rb4-b2 a6-a7 Rb2-a2+ Ka5-b6 Ra2-b2+ Kb6-c5 Rb2-c2+ Kc5-b4 Rc2-a2 Qh2-g3+ Kg7-f8 Nd6-b5 Ra2-b2+ Kb4-a5 Rb2xd2
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40/71 53:54 21,892,161k 6,769k -10.08 Bf3-e4 d5xe4 a5-a6 Nf7-e5 Nf5-d6+ Ke8-d8 a6-a7 Ne5xg6 h4-h5 Rh7xh5 a7-a8Q+ Kd8-e7 Qa8-a3 Bg8-e6 Nd6xe4+ Ke7-f7 Qa3-c3 Ng6-e5 d2-d4 Rh5-h3 Qc3-a1 Rh3-h1 Qa1-c3 Rh8-h3 Ne4-d6+ Kf7-g7 Qc3-b4 Ne5-d3 Qb4-d2 Rh1-h2 Qd2-a5 Kg7-g6 Qa5-a8 Rh3-h8 Qa8-a3 Rh2-h3 Qa3-a5 Nd3-f4 Qa5-d2 Rh3-f3 Qd2-d1 Rf3-d3 Qd1-a1 Rh8-h7 Kb7-b6 f6-f5 d4-d5 c6xd5 Qa1-e5 d5xc4 Qe5xf4 c4-c3 Nd6-e4 f5xe4 Qf4xe4+ Be6-f5 Qe4-e8+ Kg6-f6 Qe8-f8+ Kf6-e5
40/73 53:54 21,892,161k 6,769k -10.03 Bf3-h1 Rh7-h5 a5-a6 Rh5xf5 a6-a7 Nf7-d8+ Kb7-c8 Rh8-h7 a7-a8Q Bg8-e6 c4xd5 c6xd5 Qa8-a6 Nd8-c6 Kc8-c7 Ke8-f7 Qa6-a4 Kf7xg6 Qa4xg4+ Kg6-f7 Qg4-g3 Nc6-e7 Bh1-f3 Rh7-g7 Qg3-h3 d5-d4 Qh3-h1 Rf5-c5+ Kc7-b6 Rc5-c2 a2-a4 Rc2-b2+ Kb6-c7 Rg7-g8 Bf3-b7 Rb2xd2 Qh1-f3 Rd2-c2+ Kc7-b6 Rg8-g4 a4-a5 Rg4xh4 a5-a6 Rh4-h3 Qf3-d1 Rc2-b2+ Kb6-c5 Rh3-c3+ Kc5xd4 Rc3-a3 Qd1-h5+ Kf7-g7 Kd4-c5 Ra3-a5+ Kc5-d6 Ra5xh5 Kd6xe7 Rb2-d2
40/57 53:54 21,892,161k 6,769k -9.29 Kb7-b6 Nf7-e5 Nf5-d6+ Ke8-d8 a5-a6 Ne5xg6 a6-a7 Bg8-e6 a7-a8Q+ Kd8-e7 Qa8-a3 g4xf3 Nd6-f5+ Ke7-f7 Nf5-d6+ Kf7-g7 Qa3xf3 Rh7xh4 c4-c5 Rh4-a4 Qf3-e3 Ra4-b4+ Kb6-c7 Rh8-a8 Qe3-g1 Rb4-a4 Qg1-f2 Ra4xa2 Kc7-b7 Ra2-a7+ Kb7-b6 Ra7-a4 Kb6-c7 Ra8-h8 Kc7-b7 Rh8-f8 Kb7-c7 f6-f5 d2-d3 d5-d4 Qf2-g3 f5-f4 Qg3-f3 Ra4-a5 Kc7-b6 Ra5-a2 Kb6-b7 Rf8-h8 Kb7-c7 Ra2-a7+ Kc7-b6 Ra7-a4
40/68 53:54 21,892,161k 6,769k -9.14 Bf3-g2 Rh7-h5 a5-a6 Rh5xf5 a6-a7 Nf7-d8+ Kb7-b6 d5xc4 a7-a8Q Rh8-h7 Qa8-a3 Rf5-b5+ Kb6-a6 Nd8-e6 Qa3-d6 Ke8-f7 Ng6-e7 Rh7-h5 Ne7-c8 Rb5-a5+ Ka6-b7 Rh5-b5+ Nc8-b6 Ne6-c5+ Kb7-c7 Ra5-a7+ Kc7-c8 Nc5-e6 Nb6xc4 Ra7-c7+ Qd6xc7 Ne6xc7 Kc8xd7 Rb5-b4 d2-d3 Kf7-g7 Nc4-e3 Nc7-d5 Ne3-f5+ Kg7-f8 Kd7xc6 Bg8-h7 Nf5-g3 Nd5-f4 Bg2-f1 Rb4-a4 Kc6-b5 Ra4xa2 d3-d4 Kf8-g7 Bf1-c4 Bh7-d3 d4-d5 Ra2-c2 Bc4xd3 Nf4xd3 d5-d6 Nd3-e5 d6-d7 Rc2-b2+ Kb5-c5 Ne5xd7+ Kc5-c4
40/60 53:54 21,892,161k 6,769k -7.64 Bf3-d1 Ke8-d8 Ng6xh8 Nf7-e5 a5-a6 d7-d6+ Kb7-b6 Ne5xc4+ Kb6xc6 Rh7-a7 Kc6-b5 Bg8-e6 Bd1xg4 Be6-d7+ Kb5-b4 Nc4-e5 Kb4-a5 Kd8-c7 h4-h5 Ne5-c6+ Ka5-b5 Ra7-a8 Nf5-e3 Nc6-a7+ Kb5-b4 Bd7xg4 Ne3xd5+ Kc7-c6 Nd5xf6 Ra8xh8 Nf6xg4 Rh8xh5 Ng4-e3 Rh5-h4+ Kb4-b3 Kc6-c5 Ne3-d1 d6-d5 Nd1-c3 Rh4-h8 Kb3-c2 Na7-b5 Nc3-a4+ Kc5-d6 Kc2-b3 Kd6-c6 Na4-b2 Nb5-a7 Kb3-c2 Rh8-h7 Nb2-d3
40/76 53:54 21,892,161k 6,769k -5.28 Bf3-e2 Nf7-e5 Nf5-d6+ Ke8-d8 a5-a6 Ne5xg6 a6-a7 Kd8-e7 Nd6-c8+ Ke7-f8 a7-a8Q Bg8-e6 c4xd5 c6xd5 Qa8-b8 Kf8-g7 Qb8-d6 Rh7xh4 a2-a4 Rh4-h3 Nc8-b6 Rh3-b3 Be2-d1 Rb3-b2 Bd1-e2 Rb2xd2 Be2-b5 Ng6-e5 Bb5xd7 Be6-f7 Bd7-b5 Rh8-h5 Nb6-d7 Ne5xd7 Bb5xd7 Rh5-g5 Qd6-e7 Rd2-b2+ Kb7-c6 Rg5-e5 Qe7-a3 Rb2-c2+ Kc6-b6 d5-d4 Bd7xg4 Rc2-c3 Qa3-a1 Rc3-b3+ Kb6-c6 d4-d3 Qa1-d4 Re5-d5 Qd4-e4 d3-d2 Bg4-d1 Rb3-g3 Qe4-e2 Rg3-d3 a4-a5
40/51 53:54 21,892,161k 6,769k 0.00 Bf3xg4 Nf7-e5 Nf5-d6+ Ke8-d8 a5-a6 Ne5xg6 a6-a7 Bg8-e6 a7-a8Q+ Kd8-e7 Nd6-f5+ Be6xf5 Qa8-a3+ Ke7-e6 Bg4xf5+ Ke6xf5 Qa3-d3+ Kf5-e6 Qd3xg6 Rh7xh4 a2-a4 Rh4xc4 Qg6-g7 Rh8-h1 a4-a5 Rh1-a1 Qg7-g8+ Ke6-f5 Qg8-h7+ Kf5-f4 Qh7-h4+ Kf4-e5 Qh4-g3+ Ke5-f5 Qg3-h3+ Kf5-g5 a5-a6 Rc4-a4 Qh3-g3+ Kg5-f5 Qg3-h3+
40/65 53:54 21,892,161k 6,769k +2.58 a5-a6 Nf7-e5 Nf5-d6+ Ke8-d8 a6-a7 Ne5xg6 a7-a8Q+ Kd8-e7 Nd6-f5+ Ke7-f7 Bf3xg4 Ng6-e5 Bg4-d1 d5xc4 Bd1-c2 Ne5-d3 Qa8-a3 Kf7-g6 Nf5-e7+ Kg6-f7 Ne7-c8 c6-c5 Bc2xd3 c4xd3 Qa3xd3 c5-c4 Qd3-e3 Kf7-f8 Qe3-f3 Kf8-g7 Qf3-g3+ Kg7-h6 Qg3-e3+ Kh6-g7 Qe3-e7+ Bg8-f7 Nc8-d6 Rh8-f8 a2-a4 Rh7-h5 Qe7xd7 Kg7-g8 Kb7-b6 Rh5-e5 a4-a5 Rf8-b8+ Kb6-c7 Bf7-e6 Qd7-a4 Rb8-a8 a5-a6
40/71 53:54 21,892,161k 6,769k +M14 Kb7-c8 g4xf3 a5-a6 f3-f2 a6-a7 f2-f1Q a7-a8N Qf1-f4 Na8-c7+ Qf4xc7+ Kc8xc7 d5xc4 Kc7-c8 d7-d5 a2-a4 c4-c3 d2xc3 c6-c5 a4-a5 d5-d4 a5-a6 d4xc3 a6-a7 c3-c2 a7-a8Q c2-c1Q Qa8-c6+
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It seems that a6 is also winning bur Kc8 is a forced mate in 14 moves.
[fen]4k1br/1K1p1n1r/2p2pN1/P2p1N2/2P3pP/5B2/P2P4/8 w - - 0 1[/fen]
Stockfish_22101610_x64_avx2:
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39/72 43:57 18,058,820k 6,847k -10.94 Kb7-c8 g4xf3 a5-a6 f3-f2 a6-a7 f2-f1Q a7-a8N Qf1-f4 Ng6xf4 Nf7-e5 Na8-c7+ Ke8-f8 c4xd5 c6xd5 h4-h5 Bg8-e6 Nf5-d4 Kf8-f7+ Kc8-b7 Rh8-g8 Nc7-b5 f6-f5 Kb7-b6 Kf7-f6 a2-a4 Ne5-c4+ Kb6-b7 Kf6-g5 Nf4-h3+ Kg5-g4 Nh3-f2+ Kg4xh5 Nf2-d3 Kh5-g4 Nd3-f2+ Kg4-g3 Nf2-d3 Rh7-h2 Nd3-c5 f5-f4 d2-d3 Nc4-e3 Kb7-c7 Rh2-c2 Nd4xc2 Ne3xc2 Nb5-c3 f4-f3 Nc3-e4+ Kg3-g2 a4-a5 Nc2-d4
39/65 43:57 18,058,820k 6,847k -10.20 Bf3-h1 Rh7-h5 a5-a6 Rh5xf5 a6-a7 Nf7-d8+ Kb7-b6 d5xc4 a2-a4 Rh8-h7 Bh1-e4 Rf5-f2 Ng6-f8 Ke8xf8 a7-a8Q Kf8-e7 Qa8-a5 Nd8-e6 Qa5-c3 Rh7xh4 Qc3-e3 Rf2-h2 Be4-f5 Rh2-h3 Qe3-g1 Rh3-b3+ Kb6-a7 g4-g3 Bf5-c2 Bg8-h7 Bc2-d1 Bh7-d3 Qg1xg3 Rh4-d4 Qg3-f2 Rb3-b1 a4-a5 Rd4-f4 Qf2-g2 Rb1-a1
39/75 43:57 18,058,820k 6,847k -9.66 Bf3-e4 d5xe4 a5-a6 Nf7-e5 Nf5-d6+ Ke8-d8 a6-a7 Ne5xg6 a7-a8Q+ Kd8-e7 Qa8-a3 Bg8-e6 Nd6xe4+ Ke7-f7 h4-h5 Rh7xh5 d2-d4 Ng6-e7 Qa3-c3 Rh5-h3 Qc3-b2 Rh3-h2 Qb2-a1 Rh2-h1 Qa1-b2 d7-d5 Ne4-d6+ Kf7-g6 c4-c5 Rh1-h7 Qb2-b1+ Ne7-f5+ Kb7xc6 g4-g3 a2-a4 Rh7-h4 Nd6xf5 Be6xf5 Qb1-g1 Rh4-g4 a4-a5 g3-g2 a5-a6 Rh8-h1 Qg1xg2 Rg4xg2 Kc6xd5 Rg2-d2 c5-c6 Rh1-a1
39/67 43:57 18,058,820k 6,847k -9.29 Kb7-b6 Nf7-e5 Nf5-d6+ Ke8-d8 a5-a6 Ne5xg6 a6-a7 Bg8-e6 a7-a8Q+ Kd8-e7 Qa8-a3 g4xf3 Nd6-f5+ Ke7-f7 Nf5-d6+ Kf7-g7 Qa3xf3 Rh7xh4 c4-c5 Rh4-a4 Qf3-e3 Ra4-b4+ Kb6-c7 Rh8-a8 Qe3-g1 Rb4-a4 Qg1-f2 Ra4xa2 Kc7-b7 Ra2-a7+ Kb7-b6 Ra7-a6+ Kb6-c7 Ra6-a4 Kc7-b7 Ra8-h8 Qf2-f3 Rh8-f8 Qf3-b3 Rf8-a8 Qb3-d1 Ra4-a7+ Kb7-b6 Ra7-a2 Kb6-c7 d5-d4 Qd1-g1 Ra2-a4 Nd6-c8 Ra8xc8+ Kc7xc8 Ra4-c4 Kc8-c7 Rc4xc5 Qg1xd4 Rc5-c4
39/59 43:57 18,058,820k 6,847k -9.04 Bf3-g2 Rh7-h5 a5-a6 Rh5xf5 a6-a7 Nf7-d8+ Kb7-b6 d5xc4 a7-a8Q Rh8-h7 Qa8-a3 Rf5-b5+ Kb6-a6 Nd8-e6 Qa3-d6 Ke8-f7 Ng6-e7 Rh7-h5 Ne7-c8 Rb5-a5+ Ka6-b7 Rh5-b5+ Nc8-b6 Ne6-c5+ Kb7-c7 Ra5-a7+ Kc7-c8 Nc5-e6 Nb6xc4 Ra7-c7+ Qd6xc7 Ne6xc7 Kc8xd7 Rb5-b4 Nc4-e3 Nc7-d5 Ne3xg4 Rb4xg4 Bg2-f3 Rg4-g3 Bf3-e4 Rg3-a3 Kd7-d6 Nd5-f4 Kd6-c5 f6-f5 Kc5-b4 c6-c5+ Kb4-b5 f5xe4 Kb5xc5 Kf7-e6
39/65 43:57 18,058,820k 6,847k -7.82 Bf3-d1 Ke8-d8 Ng6xh8 Nf7-e5 a5-a6 d7-d6+ Kb7-b6 Ne5xc4+ Kb6xc6 Rh7-a7 Kc6-b5 Bg8-e6 Bd1xg4 Be6-d7+ Kb5-b4 Nc4-e5 Kb4-a5 Kd8-c7 h4-h5 Ne5-c6+ Ka5-b5 Ra7-a8 Nf5-e3 Nc6-a7+ Kb5-b4 Bd7xg4 Ne3xd5+ Kc7-c6 Nd5xf6 Ra8xh8 Nf6xg4 Rh8xh5 Ng4-e3 Rh5-h4+ Kb4-b3 Kc6-c5 Ne3-d1 d6-d5 Nd1-c3 Rh4-h8 Nc3-a4+ Kc5-c6 Na4-c3 Rh8-a8 Nc3-e2 Ra8-b8+ Kb3-c2 Kc6-c5 Ne2-c3 Rb8-h8 Nc3-a4+ Kc5-c6 Na4-c3 d5-d4 Nc3-e2 Kc6-c5 Ne2-f4 Na7-c6 a2-a4
39/90 43:57 18,058,820k 6,847k -5.33 Bf3-e2 Nf7-e5 Nf5-d6+ Ke8-d8 a5-a6 Ne5xg6 a6-a7 Kd8-e7 Nd6-c8+ Ke7-f8 a7-a8Q Bg8-e6 c4xd5 c6xd5 Qa8-b8 Kf8-g7 Qb8-d6 Rh7xh4 Be2-b5 Rh8-f8 a2-a4 d5-d4 Nc8-e7 Ng6xe7 Qd6xe7+ Rf8-f7 Qe7-d6 Rh4-h5 Qd6-g3 Rh5-g5 Bb5-f1 Rf7-f8 Bf1-g2 Rf8-h8 Kb7-b6 Rh8-h5 Qg3-d6 Rg5-e5 Qd6-e7+ Be6-f7 Qe7xd7 g4-g3 Qd7xd4 Rh5-g5 Qd4-g1 Re5-e6+ Kb6-c7 Re6-e2 d2-d3 Re2-f2
39/44 43:57 18,058,820k 6,847k 0.00 Bf3xg4 Nf7-e5 Nf5-d6+ Ke8-d8 a5-a6 Ne5xg6 a6-a7 Bg8-e6 a7-a8Q+ Kd8-e7 Nd6-f5+ Be6xf5 Qa8-a3+ Ke7-e6 Bg4xf5+ Ke6xf5 Qa3-d3+ Kf5-e6 Qd3xg6 Rh7xh4 a2-a4 Rh4xc4 Qg6-g7 Rh8-h1 a4-a5 Rh1-a1 Qg7-g8+ Ke6-f5 Qg8-h7+ Kf5-f4 Qh7-h4+ Kf4-e5 Qh4-g3+ Ke5-f5 Qg3-h3+ Kf5-g5 a5-a6 Rc4-a4 Qh3-g3+ Kg5-f5 Qg3-f3+ Kf5-g6 Qf3-g3+
39/68 43:57 18,058,820k 6,847k +2.75 a5-a6 Nf7-e5 Nf5-d6+ Ke8-d8 a6-a7 Ne5xg6 a7-a8Q+ Kd8-e7 Nd6-f5+ Ke7-f7 Bf3xg4 Ng6-e5 Bg4-d1 d5xc4 Bd1-c2 Ne5-d3 Qa8-a3 c6-c5 Bc2xd3 c4xd3 Qa3xd3 Kf7-e8 Nf5-d6+ Ke8-e7 Nd6-c8+ Ke7-f8 Qd3-d6+ Kf8-g7 a2-a4 Bg8-e6 a4-a5 Rh7xh4 a5-a6 Rh4-d4 Qd6-g3+ Rd4-g4 Qg3-a3 d7-d6 Nc8xd6 Rh8-d8 Kb7-c6 Rg4-d4 Qa3-g3+ Rd4-g4 Qg3-h2 Rg4-a4 Kc6-b6 Ra4-b4+ Kb6xc5 Rb4-a4 Kc5-b6 Ra4-b4+ Kb6-a5 Rb4-b2 a6-a7 Rb2-a2+ Ka5-b6 Ra2-b2+ Kb6-c5 Rb2-c2+ Kc5-b4 Rc2-a2 Qh2-g3+ Kg7-f8 Nd6-b5 Ra2-b2+ Kb4-a5 Rb2xd2
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40/71 53:54 21,892,161k 6,769k -10.08 Bf3-e4 d5xe4 a5-a6 Nf7-e5 Nf5-d6+ Ke8-d8 a6-a7 Ne5xg6 h4-h5 Rh7xh5 a7-a8Q+ Kd8-e7 Qa8-a3 Bg8-e6 Nd6xe4+ Ke7-f7 Qa3-c3 Ng6-e5 d2-d4 Rh5-h3 Qc3-a1 Rh3-h1 Qa1-c3 Rh8-h3 Ne4-d6+ Kf7-g7 Qc3-b4 Ne5-d3 Qb4-d2 Rh1-h2 Qd2-a5 Kg7-g6 Qa5-a8 Rh3-h8 Qa8-a3 Rh2-h3 Qa3-a5 Nd3-f4 Qa5-d2 Rh3-f3 Qd2-d1 Rf3-d3 Qd1-a1 Rh8-h7 Kb7-b6 f6-f5 d4-d5 c6xd5 Qa1-e5 d5xc4 Qe5xf4 c4-c3 Nd6-e4 f5xe4 Qf4xe4+ Be6-f5 Qe4-e8+ Kg6-f6 Qe8-f8+ Kf6-e5
40/73 53:54 21,892,161k 6,769k -10.03 Bf3-h1 Rh7-h5 a5-a6 Rh5xf5 a6-a7 Nf7-d8+ Kb7-c8 Rh8-h7 a7-a8Q Bg8-e6 c4xd5 c6xd5 Qa8-a6 Nd8-c6 Kc8-c7 Ke8-f7 Qa6-a4 Kf7xg6 Qa4xg4+ Kg6-f7 Qg4-g3 Nc6-e7 Bh1-f3 Rh7-g7 Qg3-h3 d5-d4 Qh3-h1 Rf5-c5+ Kc7-b6 Rc5-c2 a2-a4 Rc2-b2+ Kb6-c7 Rg7-g8 Bf3-b7 Rb2xd2 Qh1-f3 Rd2-c2+ Kc7-b6 Rg8-g4 a4-a5 Rg4xh4 a5-a6 Rh4-h3 Qf3-d1 Rc2-b2+ Kb6-c5 Rh3-c3+ Kc5xd4 Rc3-a3 Qd1-h5+ Kf7-g7 Kd4-c5 Ra3-a5+ Kc5-d6 Ra5xh5 Kd6xe7 Rb2-d2
40/57 53:54 21,892,161k 6,769k -9.29 Kb7-b6 Nf7-e5 Nf5-d6+ Ke8-d8 a5-a6 Ne5xg6 a6-a7 Bg8-e6 a7-a8Q+ Kd8-e7 Qa8-a3 g4xf3 Nd6-f5+ Ke7-f7 Nf5-d6+ Kf7-g7 Qa3xf3 Rh7xh4 c4-c5 Rh4-a4 Qf3-e3 Ra4-b4+ Kb6-c7 Rh8-a8 Qe3-g1 Rb4-a4 Qg1-f2 Ra4xa2 Kc7-b7 Ra2-a7+ Kb7-b6 Ra7-a4 Kb6-c7 Ra8-h8 Kc7-b7 Rh8-f8 Kb7-c7 f6-f5 d2-d3 d5-d4 Qf2-g3 f5-f4 Qg3-f3 Ra4-a5 Kc7-b6 Ra5-a2 Kb6-b7 Rf8-h8 Kb7-c7 Ra2-a7+ Kc7-b6 Ra7-a4
40/68 53:54 21,892,161k 6,769k -9.14 Bf3-g2 Rh7-h5 a5-a6 Rh5xf5 a6-a7 Nf7-d8+ Kb7-b6 d5xc4 a7-a8Q Rh8-h7 Qa8-a3 Rf5-b5+ Kb6-a6 Nd8-e6 Qa3-d6 Ke8-f7 Ng6-e7 Rh7-h5 Ne7-c8 Rb5-a5+ Ka6-b7 Rh5-b5+ Nc8-b6 Ne6-c5+ Kb7-c7 Ra5-a7+ Kc7-c8 Nc5-e6 Nb6xc4 Ra7-c7+ Qd6xc7 Ne6xc7 Kc8xd7 Rb5-b4 d2-d3 Kf7-g7 Nc4-e3 Nc7-d5 Ne3-f5+ Kg7-f8 Kd7xc6 Bg8-h7 Nf5-g3 Nd5-f4 Bg2-f1 Rb4-a4 Kc6-b5 Ra4xa2 d3-d4 Kf8-g7 Bf1-c4 Bh7-d3 d4-d5 Ra2-c2 Bc4xd3 Nf4xd3 d5-d6 Nd3-e5 d6-d7 Rc2-b2+ Kb5-c5 Ne5xd7+ Kc5-c4
40/60 53:54 21,892,161k 6,769k -7.64 Bf3-d1 Ke8-d8 Ng6xh8 Nf7-e5 a5-a6 d7-d6+ Kb7-b6 Ne5xc4+ Kb6xc6 Rh7-a7 Kc6-b5 Bg8-e6 Bd1xg4 Be6-d7+ Kb5-b4 Nc4-e5 Kb4-a5 Kd8-c7 h4-h5 Ne5-c6+ Ka5-b5 Ra7-a8 Nf5-e3 Nc6-a7+ Kb5-b4 Bd7xg4 Ne3xd5+ Kc7-c6 Nd5xf6 Ra8xh8 Nf6xg4 Rh8xh5 Ng4-e3 Rh5-h4+ Kb4-b3 Kc6-c5 Ne3-d1 d6-d5 Nd1-c3 Rh4-h8 Kb3-c2 Na7-b5 Nc3-a4+ Kc5-d6 Kc2-b3 Kd6-c6 Na4-b2 Nb5-a7 Kb3-c2 Rh8-h7 Nb2-d3
40/76 53:54 21,892,161k 6,769k -5.28 Bf3-e2 Nf7-e5 Nf5-d6+ Ke8-d8 a5-a6 Ne5xg6 a6-a7 Kd8-e7 Nd6-c8+ Ke7-f8 a7-a8Q Bg8-e6 c4xd5 c6xd5 Qa8-b8 Kf8-g7 Qb8-d6 Rh7xh4 a2-a4 Rh4-h3 Nc8-b6 Rh3-b3 Be2-d1 Rb3-b2 Bd1-e2 Rb2xd2 Be2-b5 Ng6-e5 Bb5xd7 Be6-f7 Bd7-b5 Rh8-h5 Nb6-d7 Ne5xd7 Bb5xd7 Rh5-g5 Qd6-e7 Rd2-b2+ Kb7-c6 Rg5-e5 Qe7-a3 Rb2-c2+ Kc6-b6 d5-d4 Bd7xg4 Rc2-c3 Qa3-a1 Rc3-b3+ Kb6-c6 d4-d3 Qa1-d4 Re5-d5 Qd4-e4 d3-d2 Bg4-d1 Rb3-g3 Qe4-e2 Rg3-d3 a4-a5
40/51 53:54 21,892,161k 6,769k 0.00 Bf3xg4 Nf7-e5 Nf5-d6+ Ke8-d8 a5-a6 Ne5xg6 a6-a7 Bg8-e6 a7-a8Q+ Kd8-e7 Nd6-f5+ Be6xf5 Qa8-a3+ Ke7-e6 Bg4xf5+ Ke6xf5 Qa3-d3+ Kf5-e6 Qd3xg6 Rh7xh4 a2-a4 Rh4xc4 Qg6-g7 Rh8-h1 a4-a5 Rh1-a1 Qg7-g8+ Ke6-f5 Qg8-h7+ Kf5-f4 Qh7-h4+ Kf4-e5 Qh4-g3+ Ke5-f5 Qg3-h3+ Kf5-g5 a5-a6 Rc4-a4 Qh3-g3+ Kg5-f5 Qg3-h3+
40/65 53:54 21,892,161k 6,769k +2.58 a5-a6 Nf7-e5 Nf5-d6+ Ke8-d8 a6-a7 Ne5xg6 a7-a8Q+ Kd8-e7 Nd6-f5+ Ke7-f7 Bf3xg4 Ng6-e5 Bg4-d1 d5xc4 Bd1-c2 Ne5-d3 Qa8-a3 Kf7-g6 Nf5-e7+ Kg6-f7 Ne7-c8 c6-c5 Bc2xd3 c4xd3 Qa3xd3 c5-c4 Qd3-e3 Kf7-f8 Qe3-f3 Kf8-g7 Qf3-g3+ Kg7-h6 Qg3-e3+ Kh6-g7 Qe3-e7+ Bg8-f7 Nc8-d6 Rh8-f8 a2-a4 Rh7-h5 Qe7xd7 Kg7-g8 Kb7-b6 Rh5-e5 a4-a5 Rf8-b8+ Kb6-c7 Bf7-e6 Qd7-a4 Rb8-a8 a5-a6
40/71 53:54 21,892,161k 6,769k +M14 Kb7-c8 g4xf3 a5-a6 f3-f2 a6-a7 f2-f1Q a7-a8N Qf1-f4 Na8-c7+ Qf4xc7+ Kc8xc7 d5xc4 Kc7-c8 d7-d5 a2-a4 c4-c3 d2xc3 c6-c5 a4-a5 d5-d4 a5-a6 d4xc3 a6-a7 c3-c2 a7-a8Q c2-c1Q Qa8-c6+
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