Here is the current list:
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8/pP6/kpP3p1/brpPb1p1/1pP1PbP1/1P6/K5P1/8 w - - bm Kb1;
7n/3P4/n2K2kp/2p4N/Bb6/2p1p1P1/8/8 w - - bm Nf4+;
2nB1k2/2p3pp/3p2p1/n2K4/3Qp1N1/1Np4R/rb1p4/1Rq3r1 w - - bm Qf2+;
r2r2k1/6p1/3p2B1/2b5/1p4p1/q5p1/6K1/Q3R2R w - - bm Qxa3;
8/p7/8/8/7P/1pk4P/P1P5/1K1Qbq1N b - - bm bxa2+;
krb5/pr1p1p2/3P1p2/3B1P2/2K5/8/3B4/8 w - - bm Be3;
8/6p1/4Q3/6k1/8/8/3p1pp1/3Kbrrb w - - bm Qf7;
8/1p6/7p/2RPP2p/pp1P3P/qp1B1P2/pk1K4/b7 w - - bm Be2;
8/1p1p4/1p6/1p1B4/1P6/3PP1PP/2Np1kpP/3Kbrrb w - - bm Bxb7;
1rb5/Np1p1p2/1PpP1P2/3p1B2/6p1/1rP1PpPk/7P/6BK w - - bm Bd3;
8/7p/7p/7p/K4Q1p/p1p5/pbpr4/qrk5 w - - bm Kb3;
3K1R2/6p1/8/4B1p1/6pb/6pr/6kp/7b w - - bm Bc3;
R1n4k/n1p5/1b2pN1P/2p4p/2P4p/p1p1p3/P1P1P2P/7K w - - bm Kg2;
8/p1p5/3p4/p3p3/3k1p2/1K2b1p1/1NP4p/7B w - - bm c3+;
8/8/3r4/3p1p2/2pNB3/1p2Bp2/kp4b1/bN1K4 w - - bm Bd3;
r3k2r/ppp2Npp/8/3Bpb2/2Kn1q2/2P5/PP1P2PP/RNBQ3R b kq - bm b5+;
rnk5/p2p3p/p1pPp3/2P1Pp2/5P2/6p1/6Pb/3NBK2 w - - bm Ba5;
3R4/PPPP1k1K/5bn1/2pP1p2/n7/4r2p/6r1/8 w - - bm Rg8;
8/p2R4/p2n1B1p/pp1NN2K/Rb1k2nQ/2p1p1rr/2P5/8 w - - bm Nxb4;
7n/5p2/7p/QP6/p3p3/3b2K1/6p1/1q4k1 w - - bm Qd2;
5K1k/2p3pp/4p3/2p2p1P/2p5/6P1/8/3N4 w - - bm Ne3;
B4n2/2pqk3/6P1/p1Pn4/8/P2p4/1Q1Pp3/4K3 w - - bm Qe5+;
8/3p2p1/6p1/p4P1k/3P4/1P5p/P7/6K1 w - - bm f6;
2K2Nqk/2N1pp2/6Pb/7P/2p1P1B1/2P5/8/6B1 w - - bm Bd4+;
8/b1p5/1kP5/R7/7p/2P2p1p/6p1/6K1 w - - bm Ra4;
7Q/8/8/2q5/1p1p4/1Kp5/3RP1N1/1k6 b - - bm Qd5+;
8/6p1/1kp1p2p/4Pp1P/1P1K1P2/6P1/8/8 w - - bm Ke3;
8/ppp3p1/5p2/PPP1kP1P/8/6P1/8/1K6 w - - bm b6;
8/2p2Pp1/p3pN2/2p1P3/2Pk4/3P4/2PK1Pq1/8 w - - bm Ne4;
3R4/8/8/4q1p1/8/3P1Bp1/1R4p1/4k1Kb w - - bm Re8;
8/1P1pk2P/K1p3p1/p1p2p2/2p3P1/n7/7q/4NR2 w - - bm Rf4;
q7/3Qr3/8/8/3N2R1/1N6/p2p4/1R1rk2K w - - bm Kh2;
8/5b2/P2pnK2/ppr1P3/1N2k3/1N3nP1/3r1BP1/8 w - - bm gxf3+;
8/2K4N/1p3n1p/5p1p/2P1kP2/1n4PP/3P1p1P/6B1 w - - bm Nxf6+;
n2r2bK/1B6/pB1P3R/4k1b1/2q5/N1R1p3/2P2n2/8 w - - bm Nxc4+;
k1Kb3n/ppp5/rP5r/P1P5/8/8/1Q5p/1n6 w - - bm Qg2;
8/8/5p1p/5P1P/1p6/pP4P1/P5P1/k2K4 w - - bm Kc1;
kbK5/rrp5/p4pB1/P4pPp/5B2/5pN1/5P2/8 w - - bm Be8;
5n1n/1p1p3q/3P4/1p6/1p1B2Q1/1P1p4/7k/K7 w - - bm Bg1+;
5N2/6p1/1p2Pk2/p2p4/3P4/3P4/K7/8 w - - bm Nd7+;
8/pk1p1p2/1P1P4/r1P3Pp/8/8/1Rp2P2/2K5 w - - bm c6+;
4B3/5p2/1p2n1p1/1P2k3/6P1/5P2/4K3/8 b - - bm Nd8;
4r3/8/1k6/1Pp1n3/1P6/8/1PK1NR2/8 w - - bm Rf6+;
5Q2/1r3p1k/p7/2R3P1/Pq6/3b2P1/5p1K/2R5 b - - bm f1=N+;
7k/5pR1/8/1K2P3/P4r2/6P1/7n/B5b1 w - - bm e6;
8/1p2B3/3p3q/6Np/1P4kN/1K6/1P5P/8 w - - bm h3+;
1K6/6p1/1p2P3/3p4/8/6Pk/2BP4/r7 w - - bm Be4;
3k4/8/p1B4p/8/4P1p1/2N3Pq/P6P/6K1 w - - bm Be8;
r3k2r/Q7/3p2p1/1p2pp2/2p3p1/1P1P1p1B/6PK/8 w - - bm Qxa8+;
2K5/5B2/7B/2p5/1p1R4/1p6/1p2r3/1k6 w - - bm Rd6;
8/K2P3p/6P1/5P2/4p3/5P2/3r1P2/k7 w - - bm Kb6;
8/p4rp1/p1P5/P6p/7k/7P/3BP1K1/8 w - - bm Bb4;
q2b3k/1p3p1P/5p1K/BP1n1P1P/Q1P1p3/4P3/3P4/8 w - - bm Bb4;
1N4nn/5p2/5Pp1/3k2B1/8/p5P1/K5P1/8 w - - bm Nd7;
8/4B3/3p1p2/3PkP2/1pP3p1/6P1/1p4P1/bK6 w - - bm Bf8;
8/Kp6/1pB4p/4Nq1P/P4kN1/8/7P/8 w - - bm Ng6+;
2k1K3/5Np1/1p6/2p4P/2p1p3/2B5/2B4q/2R4b w - - bm Be5;
5k2/4nP2/7r/8/2B5/5R2/K1p1pR2/8 w - - bm Ra3;
4kn2/5p2/7B/ppp1P2P/8/1K6/6P1/8 w - - bm Bxf8;
R7/R7/4Q3/1p6/1Pp5/2r5/3q4/K4b1k w - - bm Rh7+;
5N2/5R2/r1b2B1p/7k/2p5/p2p2KP/1n6/8 w - - bm Bd8;
r1B3KR/pPp5/1P2p2B/1P6/5p2/8/6p1/5k1b w - - bm Bg5;
2K5/7P/rp6/1pR5/4k2r/4P3/4P3/6R1 w - - bm Rg4+;
1Q6/3pq3/1p3pK1/1k6/4PB2/1P1P4/2P5/1r6 w - - bm c4+;
2q5/1ppk4/5R2/1P1p4/4PN2/7P/P7/2K5 w - - bm Rf7+;
2k5/rpq5/1Q6/8/1P1p4/7p/1K6/1R6 w - - bm Qe6+;
8/4B3/1p2k1p1/4N1P1/3PP3/4K2p/8/1n6 w - - bm Bb4;
4N3/4Np2/1p3p2/5P2/8/1K4p1/3P4/1k6 w - - bm Nc7;
8/1p4k1/1p5N/8/3K4/5pn1/2PPPp2/5R2 w - - bm Nf5+;
R7/5p1B/1p6/3pP3/6pp/7p/2N4p/1K5k w - - bm Ne3;
K3n3/3P1r2/3pq3/7Q/P7/k6b/5R2/8 w - - bm Rf3+;
2R5/4p2K/1k6/NP1P1P2/1q5b/8/4P3/5B2 w - - bm Rc6+;
8/5B2/8/B2n1P2/3n2Pb/p7/4k3/1K6 b - - bm Bd8;
8/2R2p2/7p/6qk/4Kp1p/2RpP3/6P1/8 w - - bm R3c5;
5N1k/1p6/8/4K1p1/1p3Npp/7p/7B/8 w - - bm Kf6;
qkb5/8/PK1N4/3Q4/8/6R1/1b2r2B/8 w - - bm Nb7;
1Rb5/7R/6k1/8/1p3r2/5N1B/K7/1r6 w - - bm Rc7;
8/4K2k/8/4p1PB/1p2p1p1/1N4p1/8/8 w - - bm Nd4;
3B3k/8/3r3p/R7/7P/6p1/7b/3B3K w - - bm Rd5;
5k1r/1rp2P2/1p3p2/1P1N4/1P3K2/5P2/8/6R1 w - - bm Rg8+;
3K4/8/r5b1/1q3p2/k7/2P2B1Q/4R3/8 w - - bm Bc6;
4b3/2p5/2p5/B7/1K1N4/8/pp2N3/k7 w - - bm Kc3;
2B5/n1p5/p7/1P5R/P7/rk6/6P1/2K5 w - - bm Rh3+;
8/3q1r1p/1K6/4k3/7Q/1p2P3/8/2N3N1 w - - bm Nf3+;
n7/b1p1K3/1pP4p/1P4p1/6p1/1p4Pn/1P2N1br/3NRn1k w - - bm Kf6;
8/6p1/2Nq1k1n/B2P3B/8/3K4/1P3P2/8 w - - bm Bd8+;
8/5r2/4Q3/6PN/8/3K1ppp/4prkb/4Bbnn w - - bm Qd5;
6k1/6pp/8/1p2pP1P/p2pP3/3P1K2/PP6/8 w - - bm h6;
4k3/5p2/R7/p2PK1p1/6P1/r4P2/8/8 w - - bm Ra8+;
1q4k1/3Pn1r1/6Pn/3PP2p/2Q5/8/R5KP/8 w - - bm d6+;
8/p4B2/2p1p1p1/2p1PkP1/2P4P/8/Pp6/bK6 w - - bm Be8;
6kr/2r2p1p/3pP2B/pp1B4/8/5PKP/P7/8 w - - bm f4;
5Bk1/1PP5/5P2/7P/n6p/4r2P/r7/6K1 w - - bm Bb4;
4Q3/ppp3p1/8/8/3p4/8/1ppp2K1/br1k3n w - - bm Qh5+;
8/1b2k3/p6p/1p2p2P/1P1P2P1/4Kp2/2B5/8 w - - bm dxe5;
8/1N3p2/5p2/5pN1/5P1P/P7/pPK5/4k3 w - - bm Nf3+;
8/ppp3p1/8/8/3pQ3/8/1ppp2K1/br1k3n w - - bm Qf3+;
8/ppp3p1/8/6Q1/3p4/8/1ppp2K1/br1k3n w - - bm Qg4+;
6k1/1N5p/2p5/5p2/4p3/3p2P1/2pK1P1P/8 w - - bm Nc5;
8/8/p1p5/2p2k2/1pP3pp/1P1K2P1/P6P/8 w - - bm gxh4;
8/ppp3p1/8/8/3p2Q1/8/1ppp2K1/br2k2n w - - bm Qe4+;
8/2p1ppp1/6p1/P3kP1P/3p4/5P1K/8/8 w - - bm f6;
8/pp2k1pp/2p5/2P1p3/2P1P2P/6P1/P7/2K5 b - - bm g5;
4K1k1/8/1p5p/1Pp5/5b2/1P6/P1B2P2/8 w - - bm Kd7;
8/1pp3p1/p7/8/3p1Q2/8/1ppp2K1/brk4n w - - bm Qg5;
2R2Q2/6pk/1p3q2/7p/1p1P4/8/5PPK/1r6 w - - bm Qh8+;
q7/p7/3ppB2/6p1/4k1P1/8/4P1P1/3RK3 w - - bm Rd4+;
7K/1p1R4/1pP5/8/P7/P7/P1k3r1/3r4 w - - bm c7;
2br4/k5r1/P1K3p1/2N2p2/3B4/1B6/8/8 w - - bm Nd7+;
rk1b4/p2p2p1/1P6/2R2P2/8/2K5/8/5B2 w - - bm Rc8+;
3r3k/2n2K1p/pR6/8/2p5/5p2/5p2/7R w - - bm Rd1;
8/8/1p3p2/1r1p1kpp/1P1P3P/2KN2P1/5P2/8 w - - bm f3;
1b4b1/3p4/1PPP3P/8/5K1p/4p1P1/8/7k w - - bm Kf3;
8/1pp3p1/p7/6Q1/3p4/8/1ppp2K1/br1k3n w - - bm Qg4+;
8/2K1pp2/2P5/3k4/1b2pP2/8/P2P4/8 w - - bm Kb6;
8/2pp1p2/1p6/1kPP4/5Pp1/8/6PP/3K4 w - - bm c6;
8/2n5/2Kp3p/k6p/5R2/8/3pbN2/4N3 w - - bm Nf3;
5B2/5n2/2p5/7p/4N2k/8/qpp3PP/2R1R2K w - - bm h3;
8/8/p4p1k/P1p5/3pP1Pp/3P3P/4K3/8 w - - bm e5;
8/p2pp2K/p2Pk3/7R/3BP3/2P4p/1p5P/8 w - - bm Kg7;
8/8/p3k1p1/1p2p2p/1P2K1PP/5P2/P7/8 b - - bm g5;
8/1pp3p1/8/p7/3p1Q2/8/1ppp2K1/brk4n w - - bm Qg5;
8/1pp3p1/8/p5Q1/3p4/8/1ppp2K1/br1k3n w - - bm Qg4+;
5n1k/2B2P2/3P3p/1P6/8/7n/2K1P3/8 w - - bm d7;
8/n2p4/2NR4/B2p4/p6P/K1p5/8/1k2b3 w - - bm Nd4;
k7/2p1N1n1/2pP4/1pK5/2p5/P7/r4N2/3B4 w - - bm Bg4;
1kb5/1p1p3p/pP1Pp3/Pp2Pp2/1p3P2/1P6/1P6/1K6 w - - bm Kc2;
1r1b2R1/8/3pk3/1P1Np3/4P3/3K4/8/8 w - - bm Kc4;
8/1pp3p1/8/p7/3p2Q1/8/1ppp2K1/br2k2n w - - bm Qe4+;
3K4/1k6/1P3nQ1/qPB1b3/8/3p1R2/8/7r w - - bm Qg7+;
k7/4N1n1/1Kpp4/1p6/2p5/P7/2r1BN2/8 w - - bm Bg4;
1kb2Bn1/1p1p1p2/1P1PpPp1/6P1/8/p1p3P1/PpK1N2b/qB6 w - - bm Bg7;
3R4/8/8/8/6p1/2p5/1pP2P1p/1K1Nb2k w - - bm Ne3;
7k/2b5/P1p5/8/3KR3/5P1p/2B5/2r5 w - - bm a7;
1kb3n1/1p1p1p2/1P1PpPpB/6P1/8/p1p3P1/PpK1N2b/qB6 w - - bm Bf8;
K7/6p1/1p6/1p6/1p5p/p2NN1p1/rb4pr/qkn3Rb w - - bm Ka7;
1kb3n1/1p1pBp2/1P1PpPp1/6P1/8/p1p3P1/PpK1N2b/qB6 w - - bm Bd8;
3Nk1K1/5p2/1RP5/6P1/6n1/1Bq5/5P2/8 w - - bm Nxf7;
8/1pp3p1/8/8/3p1Q2/p7/1ppp2K1/brk4n w - - bm Qg5;
1kb3n1/1p1p1pB1/1P1P1Pp1/4p1P1/8/p1p3P1/PpK1N2b/qB6 w - - bm Bf8;
5Q2/p1p5/p1p5/6rp/7k/6p1/p1p3P1/rbK5 w - - bm Qe7;
8/1pp3p1/8/6Q1/3p4/8/pppp2K1/br1k3n w - - bm Qg4+;
k1bB2n1/1p1p1p2/1P1P1Pp1/4p1P1/8/p1p3P1/PpK1N2b/qB6 w - - bm Bc7 Be7;
8/4K3/4NN2/p3p3/rnp1p3/1pk5/bp1n4/qrb1N3 w - - bm Kd6;
8/8/6Pp/3pb2p/p7/k7/P7/1K2B3 w - - bm Bg3;
8/1pp3p1/8/8/3pQ3/8/pppp2K1/br1k3n w - - bm Qf3+;
8/6pp/5p2/k7/3p4/1Q2p3/3prpp1/3Kbqrb w - - bm Qc4;
8/1p6/4k3/8/3p1Q2/3p4/pp1p4/rrbK4 w - - bm Qc7;
k1b3n1/1p1pBp2/1P1PpPp1/6P1/8/p1p3P1/PpK1N2b/qB6 w - - bm Bf8;
3N4/5Qpk/7p/1q3P2/8/1pp5/5P1K/8 w - - bm Ne6;
8/5p1p/8/6K1/p7/rp5p/1p3ppr/bQ1N1bqk w - - bm Kh6;
8/1P1k4/q6p/3B4/3bPP2/6P1/6K1/8 w - - bm b8=N+;
kb6/2p2p2/1Pp4p/2K4P/2B3P1/8/8/8 w - - bm b7+;
8/2p3p1/8/1p4Q1/3p4/8/pppp2K1/br1k3n w - - bm Qg4+;
8/1p2k3/8/8/5Q2/8/ppp1p3/qrrbK3 w - - bm Qd2;
8/1p2k3/8/8/5Q2/8/ppp1p3/bqrbK3 w - - bm Qd2;
1n6/3p3k/p1pPpP2/P1P1K3/1P6/8/5P2/8 w - - bm f7;
8/1p6/8/3p3k/3p4/6Q1/pp1p4/rrbK4 w - - bm Qg8;
1k6/2Rpp3/1K2p3/2p5/1BprP3/8/2B4p/8 w - - bm Rb7+;
krb1K1n1/1pBp1p2/P1p2p1n/P2P1p2/5Pp1/2N3P1/8/8 w - - bm a7;
4Q3/1ppr4/brk5/1p1p4/1PpP1p2/2p2p2/K1P2P2/1B6 w - - bm Qe6+;
8/5p2/5P2/P7/3B4/8/pp2KPp1/r1k1N3 w - - bm Be3+;
8/8/3Q1r2/6PN/8/3K1ppp/4prkb/4Bbnn w - - bm Kc4;
5R2/p7/4k3/3pN3/5pNP/2P1pKp1/PP1q2P1/8 w - - bm Re8+;
qn6/rk1p4/brpP4/1pP5/pP6/P4K2/N7/7R w - - bm Nc3;
8/2Q5/8/8/1k1p4/4p1p1/3prpp1/3Kbbrn w - - bm Qh7;
2B2bk1/p1p1p1p1/2P1P1Pp/p1P5/2P4p/Pp5P/bP1K4/8 w - - bm Kc1;
8/1R2p3/8/5PpK/N4P2/4pkP1/3p4/8 w - - bm Rd7;
8/2p4p/7p/2p2n1p/p3Q2p/K6p/2r5/1k5n w - - bm Qe1+;
1Brb4/Pbn1p3/2pkP3/K1p2P2/2Pb1P2/1P3P2/1p5p/3R4 w - - bm Ka4;
r2q1k2/1pb2p1n/1Pp4r/P2p3p/3Pp1p1/2B1P3/4BPPP/1R1Q1RK1 b - - bm Bxh2+;
8/5p1p/B2p1P2/p2P2NP/2rP3N/n5p1/3K1pP1/5kbn w - - bm Kd1;
n6n/3B4/4K2p/7p/8/7k/1p2pR1p/b3B3 w - - bm Kf6+;
kq4B1/1p2K2p/1Pp4P/2PP4/p2B1Pp1/p2P4/8/8 w - - bm d6;
8/1p3ppp/8/1p6/1P6/5p1p/kPK3pr/2B3Nb w - - bm b3;
8/8/8/1p6/6k1/1p2Q3/p1p1p3/rbrbK3 w - - bm Qxb3;
8/5p2/2p5/2p2n2/p3Q3/K7/2r4p/1k5n w - - bm Qe1+;
8/2q4p/p7/4pQ2/1pp5/6N1/8/1K4k1 w - - bm Qf3;
5kb1/p2K1p2/2p4p/B4PpP/2pQP1P1/p7/1q6/8 w - - bm Qc5+;
k7/1p4N1/4p3/1P6/7K/pp2P1r1/q4ppR/3Q4 w - - bm b6;
k7/rn1N4/n1B4p/8/5p1p/b1N1pP2/P3P1P1/3K4 w - - bm Nd5;
k1b3n1/1p1p1p2/1P1P1PpB/6P1/4p3/p1p3P1/PpK1N2b/qB6 w - - bm Bg7;
8/2p3b1/p7/2pP4/P2P4/1PB4k/8/7K w - - bm d6;
6k1/7p/5RpP/4K1N1/4P3/1q6/1B6/8 w - - bm Rxg6+;
8/3p4/2prp3/2pbPp2/2p1pP2/2P1N3/p5R1/rk1K4 w - - bm Ke1;
4k1nr/5RRp/3K1Pp1/8/6N1/8/r7/2b5 w k - bm Rc7;
6kN/6p1/R7/1n3K2/p5p1/8/4p1B1/8 w - - bm Ra8+;
1q1N4/3p4/k1pP1Bpp/1pP5/pP2K2P/P7/8/8 w - - bm Be7;
8/1Pk5/B1Pr4/1p1P4/8/7p/P2P3P/K7 w - - bm a4;
k7/P7/p3p1p1/pPp1P3/P1P5/7p/P2r3p/K1Q5 w - - bm b6;
3R3K/5k1P/1p6/8/2p1p3/4P3/4nB1p/8 w - - bm Rd7+;
8/p7/8/Q1p5/1p6/8/ppPp2p1/qrbK2kb w - - bm Qc7;
1rb5/Np1p1p1B/1PpP1P2/3p2p1/8/1rP1PpPk/7P/6BK w - - bm Bf5+;
K7/3k4/8/5p2/5p1p/p1p2P2/P1Pp1P1P/1n1N4 w - - bm Kb8;
8/4p3/3p1p2/1PpP2N1/2P3K1/p1p1N3/rpPpQ3/kn5r w - - bm Qd1;
4k3/K3p1r1/1P2P3/7P/p1N1N1p1/3P2p1/q7/8 w - - bm h6;
4B2R/6Pp/4b2k/5P1p/5P1K/n2ppP2/4p3/4B3 w - - bm f6;
3Q4/3N4/1p2p3/3kp1P1/6Pn/q1P1P2p/4Kp2/8 w - - bm Nxe5+;
8/p5p1/4p3/4Pp2/2R2P1K/3P1P2/pk1p4/qrbB4 w - - bm Kg3;
6k1/1p6/1p1p4/1P1Pp3/P3p3/4P2p/4P2P/K7 w - - bm Kb1;
2q2k2/2P2P2/bQ1P3K/3p4/2pN4/8/1p6/8 w - - bm Kg5;
4Q3/k1rP1N2/4r3/3pP3/B4n1q/1K1b4/3B4/8 w - - bm Be3+;
2K5/4B3/k3Pp2/p3p3/8/4p1b1/2P5/8 w - - bm c4;
k7/P4pp1/1P6/2p1P3/2P1n3/p5pB/P4n2/K5b1 w - - bm e6;
2k5/3p4/1Q6/8/8/1p1p4/pp1p4/rrbK4 w - - bm Qc5+;
4k3/3Rp3/QP2P2P/p1r2p1K/1R5p/2r1P3/2q3p1/8 w - - bm Rd8+;
7n/5p1b/5Ppp/p1K3P1/k1p3P1/1p2Q3/p4P2/r7 w - - bm Kxc4;
7k/2p2K2/3p4/r4n2/2r4p/5B2/5R2/5R2 w - - bm Bd5;
N3k3/P2p3N/3P1p1K/2p2pP1/3p3b/2P4P/pP2n2P/1n5b w - - bm Nc7+;
3Q4/6k1/2N1p3/P1p1pq2/4pb1P/1P6/5P2/5K2 w - - bm Qg8+;
7n/4Kp2/PN4pB/6Pp/1k1q4/8/2P5/8 w - - bm c3+;
1K6/8/k7/1pp1Q3/8/3ppppp/p7/8 w - - bm Qc7;
2K5/k7/4pp2/P1P3pP/1Ppp2p1/6R1/1pP3PB/8 w - - bm b5;
8/5pp1/6n1/q7/2B3P1/4K3/1RNPPP1p/7k w - - bm Kf3;
7R/3p1K1P/P6k/3p4/6P1/p4P2/3p4/b7 w - - bm Rg8;
R7/1K6/8/2kN4/p2p1p2/3P4/P1P2pP1/8 w - - bm Kc7;
8/P6K/6pp/1p1P2pk/P2P4/1Pp3P1/2Bp3n/1b6 w - - bm Bd1+;
8/3p1p2/3p1p2/3pPp2/3pk3/6P1/2P1KP2/8 w - - bm e6;
1b2N3/4P3/6pp/8/2kr2N1/5P1p/P6K/8 w - - bm Kxh3;
8/2p2k2/p1P1p3/P4b2/1P4pp/8/R7/7K w - - bm Rf2;
5k2/8/r2b2p1/2BP4/1p6/6P1/1K6/7R w - - bm Ra1;
7K/1pp3p1/6pk/2R2P1r/7P/6P1/6P1/8 w - - bm g4;
7q/1Q1p4/8/5p1b/2N3kN/1p1K4/8/8 w - - bm Ng6;
7K/p7/4p3/8/2b3B1/2P1Q3/q4P2/7k w - - bm Qe1+;
8/6Pq/3K2k1/3p2p1/6P1/2R5/2P5/1B6 w - - bm Rh3;
8/q1k5/1pP4p/pP1K3p/P1PB4/6pP/6P1/8 w - - bm Bxb6+;
8/1p6/1Q6/8/2kp4/3p4/pp1p4/rrbK4 w - - bm Qa5;
5K1n/5npb/2p1p1pb/6pp/2N1P1P1/2BkNB1P/1p1P4/1r6 w - - bm Ke7;
3k1n1b/8/K2pq1P1/N7/8/8/2B5/4Q3 w - - bm g7;
rn1k1r2/1Rpb2RQ/p3p3/3pPp2/3P4/1KPB4/5q2/8 w - - bm Bb5;
4k3/2R5/6pq/1pK1p3/4N3/6P1/3P4/8 w - - bm Rh7;
r1q1k3/2p2Rp1/p3pPPN/6p1/7N/1pp1b3/8/K5B1 w - - bm fxg7;
8/8/rp3K2/4P3/4kp2/2RN2P1/1PBb4/q7 w - - bm Nb4+;
k1b5/1p1p4/p1bPp3/PP1pP3/2pP4/1pP3N1/1P6/K7 w - - bm b6;
k7/8/1Q6/8/8/6p1/1p1pppp1/1Kbrqbrn w - - bm Qb5;
1qk4K/Qp6/pBp5/P1P5/5pp1/8/5PP1/8 b - - bm Qxa7;
4rN2/b1p5/pNP5/1k1P4/1P6/2P5/K7/8 w - - bm Kb3;
8/6p1/4p1K1/1k5P/8/4P3/1pr5/1R6 b - - bm Rg2+;
5bq1/4p1p1/4P1P1/5K2/2P1P1B1/5RP1/4p3/3k4 w - - bm Rf4;
R1K5/5p2/1kbR3p/8/2P4r/5P1p/2P5/8 w - - bm Ra4;
6R1/4N1pk/5p1p/3B4/2NQ4/2n3Pb/4q2P/3n3K w - - bm Rxg7+;
4k3/1p6/1r1p4/1p1P1B1P/1P6/2K5/8/8 w - - bm Bd3;
6k1/1b2p3/2p1Prp1/2p2p2/8/2B5/8/2K4R w - - bm Bxf6;
4Q3/6k1/1p1pP3/2p5/4R2r/5P2/6B1/2q3K1 w - - bm Kf2;
7B/8/1K6/5R2/p1k3n1/p2N4/P1P2P2/1q5n w - - bm Nb4;
5B2/2K4P/4p3/3k1p2/p1p5/8/4P1p1/8 w - - bm e4+;
8/1r1R4/k1Kp4/3pQ3/8/2pp4/2np4/1B6 w - - bm Qf4;
6B1/p3K3/6p1/2p1k2p/P1P1pN2/1p2P2P/5P1r/8 w - - bm Be6;
8/pp2p3/1p6/PK6/1BR5/Pp1p1p1p/1k6/R2bnr1r w - - bm Bc3+;
B1k5/5P2/3p1rPp/3R4/3p4/6K1/6p1/8 w - - bm Kh2;
8/8/8/1p4N1/P1p5/P2p4/K1p5/2kbRB2 w - - bm Bxd3;
7q/1K2p3/p3R2p/5k1P/2B2pp1/4P1P1/3P2P1/8 w - - bm e4+;
r5k1/1R3rb1/P2P2p1/4npq1/P3p3/4P1p1/3B1PB1/2Q2RK1 b - - bm Nf3+;
q7/6pP/1R2K2k/7p/3B2Pp/7P/3P4/8 w - - bm h8=Q+;
5K1B/8/8/8/p7/p4p2/pn1PpPp1/kb2R3 w - - bm Kg7;
3B4/p2p1K1p/2pP3k/2P3pp/1P6/7b/7P/8 w - - bm b5;
8/2K3p1/2P5/5P2/4pp1k/1p6/2p3Pr/R1R5 w - - bm f6;
2k5/p2p4/1P6/P3p3/1q2N3/2p5/K7/7Q w - - bm Nd6+;
8/4k3/8/p5p1/P1R1K1Pb/6p1/1n4P1/8 w - - bm Rd4;
5k2/2p2n1p/1P6/4pK2/3Pp1PB/1p4P1/2p5/Rr6 w - - bm b7;
6BK/1qp1p2p/p3PRPk/P3n1p1/2P3P1/R5P1/4P3/8 w - - bm g7+;
4k3/2p1p3/3PPPP1/5P2/8/3K4/p3r2p/b6b w - - bm f7+;
8/2p1p1p1/2P1P1Pp/P4K2/P7/p2p4/rppP3P/qkn4R w - - bm a6;
5B2/8/1pPPbp2/2k1qRp1/1pnrB3/1p3n2/3P4/2R2KQ1 w - - bm Rxe5+;
8/5K1p/8/1p1p2pk/2P1p3/4P3/6P1/8 w - - bm c5;
3R4/1r3pbk/4p1p1/p5Pp/qp2Q2P/8/1PP2P2/1K2R3 b - - bm Bxb2;
k4r2/P4P2/Kp1r4/1P4P1/2B4p/1P1pB3/5P2/4b3 w - - bm g6;
1NQ5/k1p1p3/7p/pP2P1P1/2P5/2pq4/1n6/6K1 w - - bm b6+;
6k1/3P1p2/2B1pQp1/4P1K1/P5P1/3r3P/5P2/2q5 w - - bm f4;
8/1Q6/8/8/5pq1/1B1np3/N2pk3/1K2b3 w - - bm Bd1+;
k7/2K5/3P4/3N1p2/2pp4/8/bp6/5B1n w - - bm Nc3;
1n3k2/bK1p4/3P1p2/P2BpP2/5p2/2P2Pp1/1pP1Q1p1/4Rrrb w - - bm Qc4;
8/4p3/3pPp2/pK1P1P2/1P2NP2/4p1p1/2B1pprb/4kbrn w - - bm Ba4;
3R2K1/r1r2Bp1/p1pPPbbp/3kq2R/3Ppp1p/8/1P6/8 w - - bm dxc7+;
5B2/7p/1Nr5/2P1P1P1/p6p/k1Pb4/2P5/K7 w - - bm Nc4+;
1r6/1pPp1pBp/1P1P1P1P/1K6/4p3/P7/ppp1P2P/qkn4R w - - bm cxb8=N;
3rk2r/p4pR1/7p/2p2P2/2QnqB1b/4N2P/1PP2R2/6K1 b k - bm Bxf2+;
6R1/pq2pk1K/4p3/8/4N3/3P4/P7/8 w - - bm Nd6+;
8/6PK/2Q2P1P/8/1P6/1p1r3p/2Rp4/1k4q1 w - - bm Rxd2;
b2Nn2q/rBn3p1/6Rr/kpp3R1/1b2Q3/1p4B1/1K5P/8 w - - bm Nc6+;
7B/4p3/2P4q/3N1Ppk/4K2p/7p/5N1P/8 w - - bm Bf6;
N6k/q6p/7P/3p1P2/1P1n3P/8/1B4Rp/7K w - - bm Rg6;
8/qp1N1bn1/3p4/Bn1p2R1/3pp2k/6R1/1pp1KP2/8 w - - bm R5g4+;
Q3b3/1p2q3/1p6/bp4NP/1p6/1p6/1P3PPp/4NK1k w - - bm Qd8;
7R/3r4/1P3P1p/kP2p1p1/7p/K7/1P3P2/8 w - - bm f4;
2r2k2/p2q2b1/2b2Np1/2p5/2B1PP2/1P4P1/P7/6KQ w - - bm Nxd7+;
5R2/7P/P1p2N2/2p2kpp/K1P1N1pr/p3n2p/qp1nP3/r2R4 w - - bm Ne8+;
7r/3r1kpp/q2p4/3p2p1/8/1pQ1R1PP/2p4K/6R1 w - - bm Qc6;
8/1P1p1p1p/3P1P1P/1pK5/P7/Pp2p3/bpp1P2P/nkb4R w - - bm a5;
8/B3p3/3p2K1/1P1k2N1/4p2P/1pR2P2/3p1pNr/q7 w - - bm Nf4+;
QK6/p2P4/pk1P4/1p6/P6b/2P5/1p2q3/N3r3 w - - bm d8=Q+;
1kNB3n/1P3n2/K1Bp3p/2ppP3/p1p5/N4p2/8/2rr1qb1 w - - bm Nb6;
1r1bn3/8/3p4/3pp3/p2pk1Pp/1p3NpP/1PPBK3/1R5n w - - bm Bh6;
1k1qBQ1n/p1p4p/1PK5/7p/8/8/P7/8 w - - bm Bf7;
8/4B3/4Q3/1p6/4N1N1/4K3/1ppppppp/4k3 w - - bm Ne5;
8/p1BP1k2/8/6pp/5p2/6PK/2r4b/3R4 b - - bm Bxg3;
5R2/8/8/p3k2p/P5p1/1Pp3Pr/2P1p1KP/8 b - - bm e1=N+;
8/Pk6/1P6/3p4/3Pb3/2p1K2p/4B3/8 b - - bm c2;
4r1k1/p4ppp/1p1Bb3/3NP3/7Q/7P/q1P3PK/8 w - - bm Nf6+;
4N3/p3p3/8/P5p1/6Pn/1BP4k/1Q2Kp1p/4b3 w - - bm Bd5;
8/p2q4/5Q2/p2pp3/p1pQ1K2/2p2b2/1N1N1n1p/2B4k w - - bm Kxf3;
R7/2p5/1b3K2/2B4k/8/3P3n/3PppNp/5r2 w - - bm Ne3;
1q3n1k/2N5/P1p2N1p/2Kp3p/pp6/n3p3/8/4Q3 w - - bm Qg3;
2K5/1p6/1P2p3/4P3/B5P1/p7/rp4pp/bR4nk w - - bm Bd1;
7k/B6p/6pN/4K3/B2p4/3pp3/3p4/2b5 w - - bm Kf6;
2R1K3/k2p1p2/p2p4/4p1B1/2p4p/r1r2B2/PNb1Ppn1/n1N1b2q w - - bm Ra8+;
1bN1r3/2pp4/P7/kP2n3/P7/1K6/8/6B1 w - - bm Bb6+;
8/p1p1p3/P1P1P1P1/5Kp1/8/3p3p/3P1ppr/3R1nkq w - - bm g7;
R7/P7/1p6/5p2/1p6/p4pn1/2KP4/k7 w - - bm Rh8;
8/K1R5/8/pkpN4/p1p2p2/n1p5/P1P1Pb2/1r6 w - - bm Ne7;
2kr3r/pppb1ppp/B4q1n/n3p3/8/B1Q2N2/P4PPP/1R2R1K1 w - - bm Rec1;
1qr2bk1/p4p1p/1p2pBn1/3pP1Q1/PP1P4/5NPB/2b2PK1/7R w - - bm Bf5;
1r4r1/3q1npk/2b1pbnp/Rp1p4/1N1P3P/2PQ1pP1/1K3B2/5B1R w - - bm Qxg6+;
3nK3/3p4/pn1Npb2/k7/P3p3/P1p5/1N6/4B3 w - - bm Kf8;
8/8/1p4p1/p5kp/Pp1QP1Pq/1P6/6K1/8 w - - bm Qd2+;
3K4/r4p2/2b5/5R2/2k5/3N3R/2pppp2/3Nr3 w - - bm Ne5+;
2k5/3p4/1PpK4/pp1P1P1P/1p6/7p/8/8 w - - bm f6;
1K1N1b2/pp1R1p2/6p1/5np1/4k3/2r1Pp2/p1pR1P1P/5N2 w - - bm R2d4+;
8/5N2/3p1p2/pPpk1K1B/q7/2Pp4/3P4/8 w - - bm Bf3+;
r6r/3bkBp1/3q2P1/2Q5/4P3/8/P5PP/5RBK b - - bm Rxh2+;
3qr3/1p1pB2p/1P1P4/Pnb2B1N/p5P1/r1p1kN2/P3P3/5K2 w - - bm Nf6;
7n/3P2k1/n2K3p/2p5/Bb3N2/2p1p1P1/8/8 w - - bm Nh5+;
r2b4/B7/n7/8/7p/p3QKpR/2ppn1P1/2qb1k2 w - - bm Qd3;
1K4R1/B7/7p/5pn1/7n/6p1/5ppb/1R2Qqkr w - - bm Rd1;
6R1/8/5p2/5N2/5P2/4PkNp/4p1pr/B3K1nr w - - bm Rh8;
6k1/1pp3B1/3NbPpK/1B6/2P2Pp1/1p2p3/rp1PP3/4b3 w - - bm Bd7;
8/B1p3Kp/2N4p/7P/p7/rkpP4/qprpP3/nbQB4 w - - bm Qxd2;
3r3k/1p1bb2p/1Pp2n2/P1Pp4/NQ1Pp3/1QB1PpPr/2N2P2/2R2RK1 b - - bm Rg8;
2kr3N/pppn2pp/8/3Ppq2/Q1BP2b1/8/PP1P2PP/RNB3KR b - - bm Rf8;
4Nr1k/p4P2/2Rpq2r/4b1Q1/4P3/7p/5PP1/1R4K1 w - - bm Rxd6;
1k4r1/1p3b1r/1Pppp1p1/4PPbq/7n/5P2/2P3PP/RRR3QK w - - bm Ra8+;
8/2r5/8/NP6/6Q1/ppp3K1/bkrp4/nnbB4 w - - bm Qe6;
5nqb/3p1krr/1N1Pp1bn/4Pp1p/5PpP/1K4P1/8/R7 w - - bm Na8;
7Q/3k1q1P/4p3/n1p1P3/p1Pp4/P2P2P1/5r2/4R1K1 w - - bm Qb8;
4n3/3R1pk1/p3p1n1/1qr1P1Q1/1p5P/1P4P1/5PK1/3R4 w - - bm h5;
k7/6pr/8/4P3/4K3/P4R2/ppppPpQ1/5r2 w - - bm Ke3;
7k/3K1bpp/3Bpp2/5N2/3p4/8/5p2/R5b1 w - - bm Ke7;
3B3r/5k1B/5P2/7K/8/5pp1/8/4Rn2 w - - bm Kg5;
6bn/5p2/5Pp1/6P1/6K1/n5p1/rb1N2P1/k1nRN3 w - - bm Kh3;
7k/2pK2pp/2R4P/5P2/7B/4P2P/3pR3/3q4 w - - bm Ke7;
2N4k/p2p2pb/4P1p1/4n1N1/8/8/7K/8 w - - bm e7;
2krr3/pp3ppp/1qn5/8/QPP5/3bPN2/1P1N1PPP/R1B1K2R b KQ - bm Rxe3+;
4R3/8/8/2R5/6BK/3p4/pp1k4/rrb5 w - - bm Rd5;
4r1k1/p4ppp/3B4/2P5/8/4nP2/PQq3PP/1R4K1 b - - bm Nd1;
7n/q1PN2p1/1n4k1/6P1/p6P/1p2NRpK/1r1p2R1/2b5 w - - bm Nf8+;
r7/ppp1p3/2kp1B1q/3R1Q2/8/2pP4/P1K5/8 w - - bm Rc5+;
1K6/p1p5/8/8/6p1/6pp/4Nprr/B4Bbk w - - bm Kb7;
6r1/1p3pk1/2p1p3/3NP2Q/2PR1P2/2P3Pb/1bKB4/q6r w - - bm Qh6+;
8/3P3P/1B3p2/7p/6pk/8/1pp2K2/8 w - - bm h8=Q;
2R5/4kn2/pp1ppp2/8/P4bQq/2p1N3/n1B4r/5K2 w - - bm Qxe6+;
7k/p1p4P/2P2p1K/B4P2/P2N4/5PPp/4p3/8 w - - bm Kg6;
r3r1k1/1p1q1pp1/p1pb4/6Np/3PR2P/PP1Q2P1/1B3PK1/8 w - - bm Re7;
r3r1k1/pP1q1p2/2p2npb/1PPp4/3PpN2/2N1PpP1/1R1B1P1K/3Q1R2 b - - bm Ng4+;
7r/1Q5p/p2k1pb1/2r3q1/3N4/BP5P/5PP1/6K1 w - - bm Qc6+;
5r2/8/8/6PN/3Q4/1K3ppp/4prkb/4Bbnn w - - bm Qd8;
2r3k1/p1q2p1p/1p2p1p1/4P1B1/3r2P1/b1n1R2Q/P4P1P/1B2R1K1 w - - bm Qxh7+;
3nq2r/p2k4/3pp3/B4pp1/P1Pp2n1/1Q4P1/4PPB1/5RK1 b - - bm Rh1+;
r7/5p2/p1Kp2k1/3R3p/p5p1/6Q1/1Bp1r1PP/6q1 w - - bm Rg5+;
8/7p/b4ppk/1p1Rn1N1/4PR1B/2p3P1/p4P1K/n1r5 w - - bm Ne6;
3n2K1/3p4/3BkN1p/1P2P3/3p3P/1Pbp1pN1/4p1b1/4nr2 w - - bm Ne8;
3B2N1/1p4b1/2p2p2/4p2Q/6p1/3K4/p1p5/2k5 w - - bm Qh1+;
2n1K3/4b3/3p2p1/3Q1Ppk/2ppbP2/2n3PP/5BP1/5q1r w - - bm Qg8;
r1bqkb1r/ppp4p/2n2nN1/7Q/2BPp3/8/PPP2PPP/R1B1K2R w KQkq - bm Bf7+;
rn2Rb2/pp3k1p/5pp1/2pP1b2/2q2B2/2P1QN2/PP3PPP/6K1 w - - bm Ng5+;
3q2kr/R1p2p1p/Bn1N1p1B/3bp3/6N1/4p2K/1R5P/2r5 w - - bm Ra8;
8/p4K2/b7/3N4/kBpNRp2/6b1/2P2pr1/4R1r1 w - - bm Re6;
1q4k1/1pnb3p/1P1pp1p1/r2P4/p3PQ2/6P1/1P3R1P/6K1 w - - bm Qf7+;
2b4k/p1b5/2p2q2/3p1PNp/3P2R1/3B4/P1Q2PKP/4r3 w - - bm Qxc6;
8/8/6K1/8/5pp1/1p3p1n/1Q1ppppn/r2kbqrb w - - bm Kf6;
2R5/p7/8/3bpp2/2p2p2/5p2/5K1p/7k w - - bm Rb8;
r1rn2k1/4Qbpp/2p5/pp2B1N1/3b2PP/Pq6/1P2BR2/K3R3 w - - bm Bc4;
Qn6/1p3qP1/1kpp1p2/p1NPpK1p/5R2/2r1Pn2/b1PnB3/r1b5 w - - bm g8=Q;
r4rq1/5p1p/p5kn/1RB1Q1b1/6p1/5p2/PNP2P2/1K6 w - - bm Qxg5+;
r5kr/6p1/p7/4p1N1/5pnq/8/1RBR1Qn1/3b1K2 w - - bm Rb8+;
7k/5K2/2p1p1PB/1bPP3p/p2b4/5R2/1pp1nP2/qn6 w - - bm Ke7;
6r1/1Q4p1/8/8/8/3Np3/4K2p/2bB2k1 w - - bm Nf2;
k7/1pK1p3/pPP5/BP2R3/5P1b/1b3P2/4p3/2r5 w - - bm Bb4;
4r1b1/1rp1P3/q1p1k1P1/1pB3P1/1P3P2/p6p/8/3Q1K2 w - - bm Qg4+;
b7/1nK1Np2/pp2kp1r/2p2N2/3p1B2/1P5R/n7/3Bb2r w - - bm Re3+;
4r3/4Rb2/1pR1pp2/1P1pkpbn/p4p2/Q1K3n1/N1P3rq/2B4B w - - bm Qd6+;
br2N3/1Bp2rp1/1p3b1B/3ppPp1/4PkP1/2P4P/2P2K2/2N5 w - - bm Nxg7;
8/3p2n1/N4b2/1K1kPn2/7N/2PP4/p4B2/8 w - - bm Nc7+;
8/2r3n1/Q6p/8/3p1PP1/1P2n2K/Npk1p3/1N6 w - - bm Qd3+;
KNk4b/R4p2/2p2p2/B1p2P2/1p1p4/8/2r3b1/4r3 w - - bm Rd7;
2n4k/6R1/3p1B1p/Kbp5/p5N1/3p3r/8/8 w - - bm Ba1;
5n2/1n2p3/4p3/7B/N1p5/b1rk1P2/q1p1pBRN/2rbK1R1 w - - bm Rg4;
K6n/1BR1p1N1/1P1kP1br/3pnp1q/p1pP4/r6p/P4B2/2b5 w - - bm Be1;
7k/4q1pp/4N3/2rBNQn1/4R3/4n3/4r3/K7 w - - bm Ng6+;
7n/5pbp/3Q4/N3rk1K/b3ppN1/4pr1n/4B3/8 w - - bm Bc4;
8/1ppK3b/5Bp1/3k1PP1/N2p1RN1/2bP3p/5p2/5n1q w - - bm Be7;
6rn/6N1/4Q1pp/pr2p1kp/1b4p1/2p3P1/3pnBP1/K2b4 w - - bm Bc5;
rn3b2/3p1N2/4p1N1/4PkPK/p2B1PpP/1PPPRp1b/3n1p2/5r2 w - - bm Re2;
r1n5/r7/R2p3B/3Pk1K1/3pP3/bRp2Pp1/7p/1N6 w - - bm Nd2;
1kr3n1/pp1R2NR/2p2p2/Q1NppPb1/8/8/1r2q1P1/6K1 w - - bm Qc7+;
4N3/K1p1p3/p7/2kBB1br/P1P1ppb1/P4p1n/8/3N4 w - - bm Nc3;
r6k/2p3pp/r1qn4/5n2/3p3N/5NP1/BQ6/KR1R2B1 w - - bm Ng6+;
1R6/1n1bp1p1/2k3p1/2np4/8/rq1NQ1BP/7K/8 w - - bm Qxc5+;
8/8/1p3p2/1p6/1p6/1B1NpK2/2npp3/3kb2R w - - bm Ke4;
2k1rr2/ppp3p1/7n/2N1p3/2Q5/2PP3p/1P1q3P/R4R1K w - - bm Qe6+;
5r1q/3Nppnb/1R1p4/3k1pr1/pp4p1/2PP4/2PP4/3KR1n1 w - - bm Re5+;
6nB/3Q4/4p1b1/3Np3/1p1kN3/1n3p1P/6PK/q4r2 w - - bm Nf4+;
r1bqr1kb/3npp2/p2p2pB/1ppP4/4PQ2/2N3PB/PP3PK1/n6R w - - bm Qxf7+;
3R2Kn/5P2/Rp2p1pb/1np4p/1kP5/2p1p2r/B1p1NrbB/8 w - - bm Rda8;
k3b2q/1RK1pnQ1/1Pnp3r/6R1/8/2N5/8/r7 w - - bm Na2; 1. Some probably have more than one solution.
2. Some are too easy
3. Some are too hard
4. Some are semi-duplicates
5. Some are too contrived [*]
6. Some are not artistic enough [**]
[*] If they are beautiful enough, we might still want to keep them
[**] probably the biggest problem, because things I like other people might not like.
I have recently seen some really brilliant contributions from forum members and I am entirely convinced that a group effort would make a better test than me with my puny brain all by myself.
So I want to judge the interest in such a project. Does anyone want to get involved?
I am also involved (often) in other efforts that take my computer time, so compute resource also comes into play.
