I have been using a mirror.epd test suite with Tinker since at least Nov, 2003,
but foolishly had been using it only when changing things like the evaluation.
Well, today I found a SEE bug using this suite and thought I would recommend it here for more general testing.
I have looked a bit online and cannot find the source of this suite, but there have been mentions of things like this here from time to time.
I was thinking of adding something to the engine testing section of the chess wiki but would like to give proper credit (Dann and/or Bob?)
2rr3k/pp3pp1/1nnqbN1p/3pN3/2pP4/2P3Q1/PPB4P/R4RK1 w - - bm Qg6; id "WAC.001";
r4rk1/ppb4p/2p3q1/2Pp4/3Pn3/1NNQBn1P/PP3PP1/2RR3K b - -;
8/7p/5k2/5p2/p1p2P2/Pr1pPK2/1P1R3P/8 b - - bm Rxb2; id "WAC.002";
8/1p1r3p/pR1Ppk2/P1P2p2/5P2/5K2/7P/8 w - -;
r4q1k/p2bR1rp/2p2Q1N/5p2/5p2/2P5/PP3PPP/R5K1 w - - bm Rf7; id "WAC.008";
r5k1/pp3ppp/2p5/5P2/5P2/2P2q1n/P2Br1RP/R4Q1K b - -;
R7/P4k2/8/8/8/8/r7/6K1 w - - bm Rh8; id "WAC.018";
6k1/R7/8/8/8/8/p4K2/r7 b - -;
5rk1/1b3p1p/pp3p2/3n1N2/1P6/P1qB1PP1/3Q3P/4R1K1 w - - bm Qh6; id "WAC.021";
4r1k1/3q3p/p1Qb1pp1/1p6/3N1n2/PP3P2/1B3P1P/5RK1 b - -;
r3nrk1/2p2p1p/p1p1b1p1/2NpPq2/3R4/P1N1Q3/1PP2PPP/4R1K1 w - - bm g4; id "WAC.023";
4r1k1/1pp2ppp/p1n1q3/3r4/2nPpQ2/P1P1B1P1/2P2P1P/R3NRK1 b - -;
3r2k1/1p1b1pp1/pq5p/8/3NR3/2PQ3P/PP3PP1/6K1 b - - bm Bf5; id "WAC.026";
6k1/pp3pp1/2pq3p/3nr3/8/PQ5P/1P1B1PP1/3R2K1 w - -;
r1bqr1k1/pp1nb1p1/4p2p/3p1p2/3P4/P1N1PNP1/1PQ2PP1/3RKB1R w K - bm Nb5; id "WAC.046";
3rkb1r/1pq2pp1/p1n1pnp1/3p4/3P1P2/4P2P/PP1NB1P1/R1BQR1K1 b k -;
2b3k1/4rrpp/p2p4/2pP2RQ/1pP1Pp1N/1P3P1P/1q6/6RK w - - bm Qxh7+; id "WAC.049";
6rk/1Q6/1p3p1p/1Pp1pP1n/2Pp2rq/P2P4/4RRPP/2B3K1 b - -;
r3r1k1/pp1q1pp1/4b1p1/3p2B1/3Q1R2/8/PPP3PP/4R1K1 w - - bm Qxg7+; id "WAC.055";
4r1k1/ppp3pp/8/3q1r2/3P2b1/4B1P1/PP1Q1PP1/R3R1K1 b - -;
2kr3r/pp1q1ppp/5n2/1Nb5/2Pp1B2/7Q/P4PPP/1R3RK1 w - - bm Nxa7+; id "WAC.071";
1r3rk1/p4ppp/7q/2pP1b2/1nB5/5N2/PP1Q1PPP/2KR3R b - -;
r4rk1/1bR1bppp/4pn2/1p2N3/1P6/P3P3/4BPPP/3R2K1 b - - bm Bd6; id "WAC.081";
3r2k1/4bppp/p3p3/1p6/1P2n3/4PN2/1Br1BPPP/R4RK1 w - -;
r4rk1/1p2ppbp/p2pbnp1/q7/3BPPP1/2N2B2/PPP4P/R2Q1RK1 b - - bm Bxg4; id "WAC.092";
r2q1rk1/ppp4p/2n2b2/3bppp1/Q7/P2PBNP1/1P2PPBP/R4RK1 w - -;
8/k1b5/P4p2/1Pp2p1p/K1P2P1P/8/3B4/8 w - - bm Be3 b6+; id "WAC.100";
8/3b4/8/k1p2p1p/1pP2P1P/p4P2/K1B5/8 b - -;
5rk1/p5pp/8/8/2Pbp3/1P4P1/7P/4RN1K b - - bm Bc3; id "WAC.101";
4rn1k/7p/1p4p1/2pBP3/8/8/P5PP/5RK1 w - -;
r2r2k1/2p2ppp/p7/1p2P1n1/P6q/5P2/1PB1QP1P/R5RK b - - bm Rd2; id "WAC.116";
r5rk/1pb1qp1p/5p2/p6Q/1P2p1N1/P7/2P2PPP/R2R2K1 w - -;
r5k1/pb2rpp1/1p6/2p4q/5R2/2PB2Q1/P1P3PP/5R1K w - - bm Rh4; id "WAC.118";
5r1k/p1p3pp/2pb2q1/5r2/2P4Q/1P6/PB2RPP1/R5K1 b - -;
r4rk1/1bn2qnp/3p1B1Q/p2P1pP1/1pp5/5N1P/PPB2P2/2KR3R w - - bm Rhg1 g6; id "WAC.120";
2kr3r/ppb2p2/5n1p/1PP5/P2p1Pp1/3P1b1q/1BN2QNP/R4RK1 b - -;
2k4r/1pr1n3/p1p1q2p/5pp1/3P1P2/P1P1P3/1R2Q1PP/1RB3K1 w - - bm Rxb7; id "WAC.127";
1rb3k1/1r2q1pp/p1p1p3/3p1p2/5PP1/P1P1Q2P/1PR1N3/2K4R b - -;
6rk/1pp2Qrp/3p1B2/1pb1p2R/3n1q2/3P4/PPP3PP/R6K w - - bm Qg6; id "WAC.128";
r6k/ppp3pp/3p4/3N1Q2/1PB1P2r/3P1b2/1PP2qRP/6RK b - -;
6k1/1pp3q1/5r2/1PPp4/3P1pP1/3Qn2P/3B4/4R1K1 b - - bm Qh6 Qh8; id "WAC.130";
4r1k1/3b4/3qN2p/3p1Pp1/1ppP4/5R2/1PP3Q1/6K1 w - -;
2rq1bk1/p4p1p/1p4p1/3b4/3B1Q2/8/P4PpP/3RR1K1 w - - bm Re8; id "WAC.131";
3rr1k1/p4pPp/8/3b1q2/3B4/1P4P1/P4P1P/2RQ1BK1 b - -;
r1b1k2r/1pp1q2p/p1n3p1/3QPp2/8/1BP3B1/P5PP/3R1RK1 w kq - bm Bh4; id "WAC.133";
3r1rk1/p5pp/1bp3b1/8/3qpP2/P1N3P1/1PP1Q2P/R1B1K2R b KQ -;
4r1k1/p1qr1p2/2pb1Bp1/1p5p/3P1n1R/1B3P2/PP3PK1/2Q4R w - - bm Qxf4; id "WAC.141";
2q4r/pp3pk1/1b3p2/3p1N1r/1P5P/2PB1bP1/P1QR1P2/4R1K1 b - -;
r1bq4/1p4kp/3p1n2/p4pB1/2pQ4/8/1P4PP/4RRK1 w - - bm Re8; id "WAC.145";
4rrk1/1p4pp/8/2Pq4/P4Pb1/3P1N2/1P4KP/R1BQ4 b - -;
r2r2k1/ppqbppbp/2n2np1/2pp4/6P1/1P1PPNNP/PBP2PB1/R2QK2R b KQ - bm Nxg4; id "WAC.147";
r2qk2r/pbp2pb1/1p1ppnnp/6p1/2PP4/2N2NP1/PPQBPPBP/R2R2K1 w kq -;
5bk1/1rQ4p/5pp1/2pP4/3n1PP1/7P/1q3BB1/4R1K1 w - - bm d6; id "WAC.155";
4r1k1/1Q3bb1/7p/3N1pp1/2Pp4/5PP1/1Rq4P/5BK1 b - -;
5rk1/2p4p/2p4r/3P4/4p1b1/1Q2NqPp/PP3P1K/R4R2 b - - bm Qg2+; id "WAC.163";
r4r2/pp3p1k/1q2nQpP/4P1B1/3p4/2P4R/2P4P/5RK1 w - -;
7Q/ppp2q2/3p2k1/P2Ppr1N/1PP5/7R/5rP1/6K1 b - - bm Rxg2+; id "WAC.167";
6k1/5Rp1/7r/1pp5/p2pPR1n/3P2K1/PPP2Q2/7q w - -;
2rq4/1b2b1kp/p3p1p1/1p1nNp2/7P/1B2B1Q1/PP3PP1/3R2K1 w - - bm Bh6+; id "WAC.171";
3r2k1/pp3pp1/1b2b1q1/7p/1P1NnP2/P3P1P1/1B2B1KP/2RQ4 b - -;
r1q2rk1/p3bppb/3p1n1p/2nPp3/1p2P1P1/6NP/PP2QPB1/R1BNK2R b KQ - bm Nxd5; id "WAC.180";
r1bnk2r/pp2qpb1/6np/1P2p1p1/2NpP3/3P1N1P/P3BPPB/R1Q2RK1 w kq -;
8/p2b2kp/1q1p2p1/1P1Pp3/4P3/3B2P1/P2Q3P/2Nn3K b - - bm Bh3; id "WAC.190";
2nN3k/p2q3p/3b2p1/4p3/1p1pP3/1Q1P2P1/P2B2KP/8 w - -;
5bk1/p4ppp/Qp6/4B3/1P6/Pq2P1P1/2rr1P1P/R4RK1 b - - bm Qxe3; id "WAC.193";
r4rk1/2RR1p1p/pQ2p1p1/1p6/4b3/qP6/P4PPP/5BK1 w - -;
5rk1/ppq2ppp/2p5/4bN2/4P3/6Q1/PPP2PPP/3R2K1 w - - bm Nh6+; id "WAC.194";
3r2k1/ppp2ppp/6q1/4p3/4Bn2/2P5/PPQ2PPP/5RK1 b - -;
rr4k1/p1pq2pp/Q1n1pn2/2bpp3/4P3/2PP1NN1/PP3PPP/R1B1K2R b KQ - bm Nb4; id "WAC.196";
r1b1k2r/pp3ppp/2pp1nn1/4p3/2BPP3/q1N1PN2/P1PQ2PP/RR4K1 w kq -;
2rqrn1k/pb4pp/1p2pp2/n2P4/2P3N1/P2B2Q1/1B3PPP/2R1R1K1 w - - bm Bxf6; id "WAC.200";
2r1r1k1/1b3ppp/p2b2q1/2p3n1/N2p4/1P2PP2/PB4PP/2RQRN1K b - -;
r1bq2kr/p1pp1ppp/1pn1p3/4P3/2Pb2Q1/BR6/P4PPP/3K1BNR w - - bm Qxg7+; id "WAC.207";
3k1bnr/p4ppp/br6/2pB2q1/4p3/1PN1P3/P1PP1PPP/R1BQ2KR b - -;
3r1rk1/pp1q1ppp/3pn3/2pN4/5PP1/P5PQ/1PP1B3/1K1R4 w - - bm Rh1; id "WAC.210";
1k1r4/1pp1b3/p5pq/5pp1/2Pn4/3PN3/PP1Q1PPP/3R1RK1 b - -;
rn1qr2Q/pbppk1p1/1p2pb2/4N3/3P4/2N5/PPP3PP/R4RK1 w - - bm Qxg7+; id "WAC.212";
r4rk1/ppp3pp/2n5/3p4/4n3/1P2PB2/PBPPK1P1/RN1QR2q b - -;
3r1r1k/1b4pp/ppn1p3/4Pp1R/Pn5P/3P4/4QP2/1qB1NKR1 w - - bm Rxh7+; id "WAC.213";
1Qb1nkr1/4qp2/3p4/pN5p/4pP1r/PPN1P3/1B4PP/3R1R1K b - -;
3rr1k1/ppp2ppp/8/5Q2/4n3/1B5R/PPP1qPP1/5RK1 b - - bm Qxf1+; id "WAC.220";
5rk1/ppp1Qpp1/1b5r/4N3/5q2/8/PPP2PPP/3RR1K1 w - -;
2r1r2k/1q3ppp/p2Rp3/2p1P3/6QB/p3P3/bP3PPP/3R2K1 w - - bm Bf6; id "WAC.222";
3r2k1/Bp3ppp/P3p3/6qb/2P1p3/P2rP3/1Q3PPP/2R1R2K b - -;
r1bqk2r/pp3ppp/5n2/8/1b1npB2/2N5/PP1Q2PP/1K2RBNR w kq - bm Nxe4; id "WAC.223";
1k2rbnr/pp1q2pp/2n5/1B1NPb2/8/5N2/PP3PPP/R1BQK2R b KQ -;
2b2rk1/p1p4p/2p1p1p1/br2N1Q1/1p2q3/8/PB3PPP/3R1RK1 w - - bm Nf7; id "WAC.226";
3r1rk1/pb3ppp/8/1P2Q3/BR2n1q1/2P1P1P1/P1P4P/2B2RK1 b - -;
r4rk1/1bq1bp1p/4p1p1/p2p4/3BnP2/1N1B3R/PPP3PP/R2Q2K1 w - - bm Bxe4; id "WAC.228";
r2q2k1/ppp3pp/1n1b3r/3bNp2/P2P4/4P1P1/1BQ1BP1P/R4RK1 b - -;
8/8/8/1p5r/p1p1k1pN/P2pBpP1/1P1K1P2/8 b - - bm Rxh4 b4; id "WAC.229";
8/1p1k1p2/p2PbPp1/P1P1K1Pn/1P5R/8/8/8 w - -;
2b5/1r6/2kBp1p1/p2pP1P1/2pP4/1pP3K1/1R3P2/8 b - - bm Rb4; id "WAC.230";
8/1r3p2/1Pp3k1/2Pp4/P2Pp1p1/2KbP1P1/1R6/2B5 w - -;
r5k1/pQp2qpp/8/4pbN1/3P4/6P1/PPr4P/1K1R3R b - - bm Rc1+; id "WAC.237";
1k1r3r/ppR4p/6p1/3p4/4PBn1/8/PqP2QPP/R5K1 w - -;
1k1r4/pp1r1pp1/4n1p1/2R5/2Pp1qP1/3P2QP/P4PB1/1R4K1 w - - bm Bxb7; id "WAC.238";
1r4k1/p4pb1/3p2qp/2pP1Qp1/2r5/4N1P1/PP1R1PP1/1K1R4 b - -;
2rq1rk1/pp3ppp/2n2b2/4NR2/3P4/PB5Q/1P4PP/3R2K1 w - - bm Qxh7+; id "WAC.241";
3r2k1/1p4pp/pb5q/3p4/4nr2/2N2B2/PP3PPP/2RQ1RK1 b - -;
4rrn1/ppq3bk/3pPnpp/2p5/2PB4/2NQ1RPB/PP5P/5R1K w - - bm Qxg6+; id "WAC.245";
5r1k/pp5p/2nq1rpb/2pb4/2P5/3PpNPP/PPQ3BK/4RRN1 b - -;
2k1r3/1p2Bq2/p2Qp3/Pb1p1p1P/2pP1P2/2P5/2P2KP1/1R6 w - - bm Rxb5; id "WAC.247";
1r6/2p2kp1/2p5/2Pp1p2/pB1P1P1p/P2qP3/1P2bQ2/2K1R3 b - -;
r4rk1/pbq2pp1/1ppbpn1p/8/2PP4/1P1Q1N2/PBB2PPP/R3R1K1 w - - bm c5 d5; id "WAC.249";
r3r1k1/pbb2ppp/1p1q1n2/2pp4/8/1PPBPN1P/PBQ2PP1/R4RK1 b - -;
1b5k/7P/p1p2np1/2P2p2/PP3P2/4RQ1R/q2r3P/6K1 w - - bm Re8+; id "WAC.250";
6k1/Q2R3p/4rq1r/pp3p2/2p2P2/P1P2NP1/7p/1B5K b - -;
k7/p4p2/P1q1b1p1/3p3p/3Q4/7P/5PP1/1R4K1 w - - bm Qe5 Qf4; id "WAC.251";
1r4k1/5pp1/7p/3q4/3P3P/p1Q1B1P1/P4P2/K7 b - -;
1rb1r1k1/p1p2ppp/5n2/2pP4/5P2/2QB4/qNP3PP/2KRB2R b - - bm Bg4 Re2; id "WAC.252";
2krb2r/Qnp3pp/2qb4/5p2/2Pp4/5N2/P1P2PPP/1RB1R1K1 w - -;
3r1rk1/1pb1qp1p/2p3p1/p7/P2Np2R/1P5P/1BP2PP1/3Q1BK1 w - - bm Nf5; id "WAC.256";
3q1bk1/1bp2pp1/1p5p/p2nP2r/P7/2P3P1/1PB1QP1P/3R1RK1 b - -;
r5k1/1bp3pp/p2p4/1p6/5p2/1PBP1nqP/1PP3Q1/R4R1K b - - bm Nd4; id "WAC.261";
r4r1k/1pp3q1/1pbp1NQp/5P2/1P6/P2P4/1BP3PP/R5K1 w - -;
6k1/p1B1b2p/2b3r1/2p5/4p3/1PP1N1Pq/P2R1P2/3Q2K1 b - - bm Rh6; id "WAC.262";
3q2k1/p2r1p2/1pp1n1pQ/4P3/2P5/2B3R1/P1b1B2P/6K1 w - -;
2r1k2r/2pn1pp1/1p3n1p/p3PP2/4q2B/P1P5/2Q1N1PP/R4RK1 w k - bm exf6; id "WAC.265";
r4rk1/2q1n1pp/p1p5/4Q2b/P3pp2/1P3N1P/2PN1PP1/2R1K2R b K -;
2kr2nr/pp1n1ppp/2p1p3/q7/1b1P1B2/P1N2Q1P/1PP1BPP1/R3K2R w KQ - bm axb4; id "WAC.269";
r3k2r/1pp1bpp1/p1n2q1p/1B1p1b2/Q7/2P1P3/PP1N1PPP/2KR2NR b kq -;
nrq4r/2k1p3/1p1pPnp1/pRpP1p2/P1P2P2/2P1BB2/1R2Q1P1/6K1 w - - bm Bxc5; id "WAC.272";
6k1/1r2q1p1/2p1bb2/p1p2p2/PrPp1P2/1P1PpNP1/2K1P3/NRQ4R b - -;
1r4r1/p2kb2p/bq2p3/3p1p2/5P2/2BB3Q/PP4PP/3RKR2 b - - bm Rg3 Rxg2; id "WAC.277";
3rkr2/pp4pp/2bb3q/5p2/3P1P2/BQ2P3/P2KB2P/1R4R1 w - -;
r1r2bk1/5p1p/pn4p1/N2b4/3Pp3/B3P3/2q1BPPP/RQ3RK1 b - - bm Bxa3; id "WAC.280";
rq3rk1/2Q1bppp/b3p3/3pP3/n2B4/PN4P1/5P1P/R1R2BK1 w - -;
3q1rk1/4bp1p/1n2P2Q/3p1p2/6r1/Pp2R2N/1B4PP/7K w - - bm Ng5; id "WAC.283";
7k/1b4pp/pP2r2n/6R1/3P1P2/1N2p2q/4BP1P/3Q1RK1 b - -;
rn3k1r/pp2bBpp/2p2n2/q5N1/3P4/1P6/P1P3PP/R1BQ1RK1 w - - bm Qg4 Qh5; id "WAC.287";
r1bq1rk1/p1p3pp/1p6/3p4/Q5n1/2P2N2/PP2BbPP/RN3K1R b - -;
5r1k/3b2p1/p6p/1pRpR3/1P1P2q1/P4pP1/5QnP/1B4K1 w - - bm h3; id "WAC.291";
1b4k1/5qNp/p4Pp1/1p1p2Q1/1PrPr3/P6P/3B2P1/5R1K b - -;
1nbq1r1k/3rbp1p/p1p1pp1Q/1p6/P1pPN3/5NP1/1P2PPBP/R4RK1 w - - bm Nfg5; id "WAC.293";
r4rk1/1p2ppbp/5np1/p1Ppn3/1P6/P1P1PP1q/3RBP1P/1NBQ1R1K b - -;
3r3k/1r3p1p/p1pB1p2/8/p1qNP1Q1/P6P/1P4P1/3R3K w - - bm Bf8 Nf5 Qf4; id "WAC.294";
3r3k/1p4p1/p6p/P1Qnp1q1/8/P1Pb1P2/1R3P1P/3R3K b - -;
3r4/1p2k2p/p1b1p1p1/4Q1Pn/2B3KP/4pP2/PP2R1N1/6q1 b - - bm Rd4+ Rf8; id "WAC.296";
6Q1/pp2r1n1/4Pp2/2b3kp/4q1pN/P1B1P1P1/1P2K2P/3R4 w - -;
3r1rk1/p3qp1p/2bb2p1/2p5/3P4/1P6/PBQN1PPP/2R2RK1 b - - bm Bxg2 Bxh2+; id "WAC.297";
2r2rk1/pbqn1ppp/1p6/3p4/2P5/2BB2P1/P3QP1P/3R1RK1 w - -;
6k1/6n1/1p3Rp1/4qp2/3pN1PQ/P2P3P/1Pr1r3/5RK1 w - - bm Qh8+; id "BWTC.24";
5rk1/1pR1R3/p2p3p/3Pn1pq/4QP2/1P3rP1/6N1/6K1 b - -;
2qrr1n1/3b1kp1/2pBpn1p/1p2PP2/p2P4/1BP5/P3Q1PP/4RRK1 w - - bm Qh5+; id "BWTC.31";
4rrk1/p3q1pp/1bp5/P2p4/1P2pp2/2PbPN1P/3B1KP1/2QRR1N1 b - -;
rn1k1r2/pp2R3/2pP1pqp/6p1/2BQ4/2P1B3/PP4P1/6K1 w - - bm Qb6+; id "BWTC.39";
6k1/pp4p1/2p1b3/2bq4/6P1/2Pp1PQP/PP2r3/RN1K1R2 b - -;
2r2b1r/pN1k2pn/2pP1p2/4Pqnp/2Q5/2P3P1/PP4BP/2KRR3 w - - bm Qf7+; id "BWTC.48";
2krr3/pp4bp/2p3p1/2q5/4pQNP/2Pp1P2/Pn1K2PN/2R2B1R b - -;
2k4r/1pp1q1p1/2n1b3/1Q3p1p/2Pr2n1/6P1/3NPPBP/R4RK1 w - - bm Qxb7+; id "BWTC.57";
r4rk1/3nppbp/6p1/2pR2N1/1q3P1P/2N1B3/1PP1Q1P1/2K4R b - -;
3r2r1/1k1b3n/1pp2q1b/3P1Np1/R4pp1/1Q3R1P/1PP5/2B4K w - - bm Qxb6+; id "BWTC.89";
2b4k/1pp5/1q3r1p/r4PP1/3p1nP1/1PP2Q1B/1K1B3N/3R2R1 b - -;
r4r1k/5p1p/p2p1Pp1/2p3Q1/2P1PR2/7P/1Pq3P1/1R5K w - - bm Qh6; id "BWTC.91";
1r5k/1pQ3p1/7p/2p1pr2/2P3q1/P2P1pP1/5P1P/R4R1K b - -;
8/q1n3kp/2p3p1/1p6/1B1pN3/3P1P2/r1P3PP/2Q2K2 w - - bm Qh6+; id "BWTC.101";
2q2k2/R1p3pp/3p1p2/1b1Pn3/1P6/2P3P1/Q1N3KP/8 b - -;
r1b2r1R/1p2bpk1/4p1p1/4P1N1/p2p4/5Q2/qPP2PP1/1NKR4 w - - bm Qf6+; id "BWTC.108";
1nkr4/Qpp2pp1/5q2/P2P4/4p1n1/4P1P1/1P2BPK1/R1B2R1r b - -;
r3r1k1/pp1q1pp1/4b1p1/3p2B1/3Q1R2/8/PPP3PP/4R1K1 w - - bm Qxg7+; id "BWTC.116";
4r1k1/ppp3pp/8/3q1r2/3P2b1/4B1P1/PP1Q1PP1/R3R1K1 b - -;
r1b2r2/3pNpkp/3pn1p1/2pN3P/2PnP3/q3QP2/4BKP1/1R5R w - - bm Qh6+; id "BWTC.121";
1r5r/4bkp1/Q3qp2/2pNp3/2Pn3p/3PN1P1/3PnPKP/R1B2R2 b - -;
r1bq1r2/ppp2pkp/3p2nn/2bN2NQ/2B1P3/8/PPp3PP/R1B2R1K w - - bm Qxh6+; id "BWTC.134";
r1b2r1k/ppP3pp/8/2b1p3/2Bn2nq/3P2NN/PPP2PKP/R1BQ1R2 b - -;
r1bq3k/pp2R2p/3B1bp1/2pB1p2/2Pp4/3P2Q1/P1P3PP/6K1 w - - bm Qe5; id "BWTC.165";
6k1/p1p3pp/3p2q1/2pP4/2Pb1P2/3b1BP1/PP2r2P/R1BQ3K b - -;
2b3k1/4rrpp/p2p4/2pP2RQ/1pP1Pp1N/1P3P1P/1q6/6RK w - - bm Qxh7+; id "BWTC.174";
6rk/1Q6/1p3p1p/1Pp1pP1n/2Pp2rq/P2P4/4RRPP/2B3K1 b - -;
rn1qr2Q/pbppk1p1/1p2pb2/4N3/3P4/2N5/PPP3PP/R4RK1 w - - bm Qxg7+; id "BWTC.183";
r4rk1/ppp3pp/2n5/3p4/4n3/1P2PB2/PBPPK1P1/RN1QR2q b - -;
r4rk1/ppRn1p2/6pb/1P2pq1p/3N4/P1QPn1Pb/1B1NPP1P/4R1KB b - - bm Qxf2+; id "BWTC.200";
4r1kb/1b1npp1p/p1qpN1pB/3n4/1p2PQ1P/6PB/PPrN1P2/R4RK1 w - -;
1r1r2k1/p4ppp/1qp5/4Pb2/3b1P2/1PP2N2/P2BQ1PP/2KR3R b - - bm Qxb3; id "BWTC.248";
2kr3r/p2bq1pp/1pp2n2/3B1p2/4pB2/1QP5/P4PPP/1R1R2K1 w - -;
r3kb2/ppp5/7r/3p4/4p2q/5n1P/PPPP1PP1/RNBQ1R1K b q - bm Qxh3+; id "BWTC.256";
rnbq1r1k/pppp1pp1/5N1p/4P2Q/3P4/7R/PPP5/R3KB2 w Q -;
r1bk3r/pp5p/2nN4/3N2qn/2Kbppp1/P7/1PP1B1P1/R1BQ3R b - - bm Qxd5+; id "BWTC.259";
r1bq3r/1pp1b1p1/p7/2kBPPP1/3n2QN/2Nn4/PP5P/R1BK3R w - -;
r1b2r2/pppp1p2/6kp/6NN/4P3/8/PPP1B1PP/R4RK1 w - - bm Rf6+; id "BWTC.297";
r4rk1/ppp1b1pp/8/4p3/6nn/6KP/PPPP1P2/R1B2R2 b - -;
r1b4r/pp1pR2p/2q2p1k/6p1/3BR3/2PB4/P1P2PPP/6K1 w - - bm Rh4+; id "BWTC.317";
6k1/p1p2ppp/2pb4/3br3/6P1/2Q2P1K/PP1Pr2P/R1B4R b - -;
K7/P1k3p1/7p/2n1p3/3nP3/4B1PP/8/3B4 b - - bm Nd7; id "BWTC.394";
3b4/8/4b1pp/3Np3/2N1P3/7P/p1K3P1/k7 w - -;
6k1/p4p2/1p2p1p1/4P3/PP2bP2/2B1b2p/6PP/6RK b - - bm Kh7; id "BWTC.398";
6rk/6pp/2b1B2P/pp2Bp2/4p3/1P2P1P1/P4P2/6K1 w - -;
5r1N/ppp1k1pp/8/3Pp3/1PBnn2P/2N1K2b/PP1P3P/R1B4R b - - bm Rf3+; id "BWTC.403";
r1b4r/pp1p3p/2n1k2B/1pbNN2p/3pP3/8/PPP1K1PP/5R1n w - -;
7k/1R3p1p/P2Pp3/4n3/8/8/r5BP/2r2N1K b - - bm Nf3; id "BWTC.405";
2R2n1k/R5bp/8/8/4N3/p2pP3/1r3P1P/7K w - -;
r3k3/ppp2N2/3p1n2/2b1p3/2BnP1b1/2NP2p1/PPPQ1PPr/R4RK1 b q - bm Nf3+; id "BWTC.406";
r4rk1/pppq1ppR/2np2P1/2bNp1B1/2B1P3/3P1N2/PPP2n2/R3K3 w Q -;
r1b4k/ppp1Q1Rp/1n1q1np1/8/2BP4/P7/1PP2PPP/R1B3K1 w - - bm Qe8+; id "BWTC.428";
r1b3k1/1pp2ppp/p7/2bp4/8/1N1Q1NP1/PPP1q1rP/R1B4K b - -;
r6k/pp3b1p/q2p1ppQ/3N4/P3P3/6PP/2P3BK/8 w - - bm Nxf6; id "BWTC.435";
8/2p3bk/6pp/p3p3/3n4/Q2P1PPq/PP3B1P/R6K b - -;
1nbq1r1k/3rbp1p/p1p1pp1Q/1p6/P1pPN3/5NP1/1P2PPBP/R4RK1 w - - bm Nfg5; id "BWTC.439";
r4rk1/1p2ppbp/5np1/p1Ppn3/1P6/P1P1PP1q/3RBP1P/1NBQ1R1K b - -;
Dann gave me a file called reflect.epd for a different reason -- to find asymmetrical bugs in my eval. It turns out there were several, and it was very helpful.
Although I don't know if Dann actually created it. It is included here:
8/7p/5k2/5p2/p1p2P2/Pr1pPK2/1P1R3P/8 b - - bm Rxb2; id "WAC.002-XTDa.1-";
8/p7/2k5/2p5/2P2p1p/2KPp1rP/P3R1P1/8 b - - bm Rxg2; id "WAC.002-XTDb.1-";
8/1p1r3p/pR1Ppk2/P1P2p2/5P2/5K2/7P/8 w - - bm Rxb7; id "WAC.002-XTDc.1-";
8/p3r1p1/2kpP1Rp/2p2P1P/2P5/2K5/P7/8 w - - bm Rxg7; id "WAC.002-XTDd.1-";
r1b2rk1/ppbn1ppp/4p3/1QP4q/3P4/N4N2/5PPP/R1B2RK1 w - - bm c6; id "WAC.019-XTDa.2-";
1kr2b1r/ppp1nbpp/3p4/q4PQ1/4P3/2N4N/PPP5/1KR2B1R w - - bm f6; id "WAC.019-XTDb.2-";
r1b2rk1/5ppp/n4n2/3p4/1qp4Q/4P3/PPBN1PPP/R1B2RK1 b - - bm c3; id "WAC.019-XTDc.2-";
1kr2b1r/ppp5/2n4n/4p3/Q4pq1/3P4/PPP1NBPP/1KR2B1R b - - bm f3; id "WAC.019-XTDd.2-";
r1k5/1p3q2/1Qpb4/3N1p2/5Pp1/3P2Pp/PPPK3P/4R3 w - - bm Re7 c4; id "WAC.052-XTDa.3-";
5k1r/2q3p1/4bpQ1/2p1N3/1pP5/pP2P3/P3KPPP/3R4 w - - bm Rd7 f4; id "WAC.052-XTDb.3-";
4r3/pppk3p/3p2pP/5pP1/3n1P2/1qPB4/1P3Q2/R1K5 b - - bm Re2 c5; id "WAC.052-XTDc.3-";
3r4/p3kppp/Pp2p3/1Pp5/2P1n3/4BPq1/2Q3P1/5K1R b - - bm Rd2 f5; id "WAC.052-XTDd.3-";
6r1/3Pn1qk/p1p1P1rp/2Q2p2/2P5/1P4P1/P3R2P/5RK1 b - - bm Rxg3+; id "WAC.062-XTDa.4-";
1r6/kq1nP3/pr1P1p1p/2p2Q2/5P2/1P4P1/P2R3P/1KR5 b - - bm Rxb3+; id "WAC.062-XTDb.4-";
5rk1/p3r2p/1p4p1/2p5/2q2P2/P1P1p1RP/3pN1QK/6R1 w - - bm Rxg6+; id "WAC.062-XTDc.4-";
1kr5/p2r3p/1p4p1/5p2/2P2q2/PR1p1P1P/KQ1Np3/1R6 w - - bm Rxb6+; id "WAC.062-XTDd.4-";
2kr3r/pp1q1ppp/5n2/1Nb5/2Pp1B2/7Q/P4PPP/1R3RK1 w - - bm Nxa7+; id "WAC.071-XTDa.5-";
r3rk2/ppp1q1pp/2n5/5bN1/2B1pP2/Q7/PPP4P/1KR3R1 w - - bm Nxh7+; id "WAC.071-XTDb.5-";
1r3rk1/p4ppp/7q/2pP1b2/1nB5/5N2/PP1Q1PPP/2KR3R b - - bm Nxa2+; id "WAC.071-XTDc.5-";
1kr3r1/ppp4p/q7/2b1Pp2/5Bn1/2N5/PPP1Q1PP/R3RK2 b - - bm Nxh2+; id "WAC.071-XTDd.5-";
r2q3r/ppp2k2/4nbp1/5Q1p/2P1NB2/8/PP3P1P/3RR1K1 w - - bm Ng5+; id "WAC.078-XTDa.6-";
r3q2r/2k2ppp/1pbn4/p1Q5/2BN1P2/8/P1P3PP/1K1RR3 w - - bm Nb5+; id "WAC.078-XTDb.6-";
3rr1k1/pp3p1p/8/2p1nb2/5q1P/4NBP1/PPP2K2/R2Q3R b - - bm Ng4+; id "WAC.078-XTDc.6-";
1k1rr3/p1p3pp/8/2bn1p2/P1q5/1PBN4/2K2PPP/R3Q2R b - - bm Nb4+; id "WAC.078-XTDd.6-";
8/p7/1ppk1n2/5ppp/P1PP4/2P1K1P1/5N1P/8 b - - bm Ng4+; id "WAC.086-XTDa.7-";
8/7p/2n1kpp1/ppp5/4PP1P/1P1K1P2/P1N5/8 b - - bm Nb4+; id "WAC.086-XTDb.7-";
8/5n1p/2p1k1p1/p1pp4/5PPP/1PPK1N2/P7/8 w - - bm Ng5+; id "WAC.086-XTDc.7-";
8/p1n5/1p1k1p2/4pp1p/PPP5/2N1KPP1/7P/8 w - - bm Nb5+; id "WAC.086-XTDd.7-";
8/p3k1p1/4r3/2ppNpp1/PP1P4/2P3KP/5P2/8 b - - bm Rxe5; id "WAC.087-XTDa.8-";
8/1p1k3p/3r4/1ppNpp2/4P1PP/PK3P2/2P5/8 b - - bm Rxd5; id "WAC.087-XTDb.8-";
8/5p2/2p3kp/pp1p4/2PPnPP1/4R3/P3K1P1/8 w - - bm Rxe4; id "WAC.087-XTDc.8-";
8/2p5/pk3p2/4p1pp/1PPnPP2/3R4/1P1K3P/8 w - - bm Rxd4; id "WAC.087-XTDd.8-";
2qr2k1/4b1p1/2p2p1p/1pP1p3/p2nP3/PbQNB1PP/1P3PK1/4RB2 b - - bm Be6; id "WAC.091-XTDa.9-";
1k2rq2/1p1b4/p1p2p2/3p1Pp1/3Pn2p/PP1BNQbP/1KP3P1/2BR4 b - - bm Bd6; id "WAC.091-XTDb.9-";
4rb2/1p3pk1/pBqnb1pp/P2Np3/1Pp1P3/2P2P1P/4B1P1/2QR2K1 w - - bm Be3; id "WAC.091-XTDc.9-";
2br4/1kp3p1/pp1bnqBp/3pN2P/3P1pP1/P1P2P2/1P1B4/1K2RQ2 w - - bm Bd3; id "WAC.091-XTDd.9-";
r4rk1/1p2ppbp/p2pbnp1/q7/3BPPP1/2N2B2/PPP4P/R2Q1RK1 b - - bm Bxg4; id "WAC.092-XTDa.10-";
1kr4r/pbpp2p1/1pnbp2p/7q/1PPPB3/2B2N2/P4PPP/1KR1Q2R b - - bm Bxb4; id "WAC.092-XTDb.10-";
r2q1rk1/ppp4p/2n2b2/3bppp1/Q7/P2PBNP1/1P2PPBP/R4RK1 w - - bm Bxg5; id "WAC.092-XTDc.10-";
1kr1q2r/p4ppp/2b2n2/1pppb3/7Q/1PNBP2P/PBPP2P1/1KR4R w - - bm Bxb5; id "WAC.092-XTDd.10-";
8/k1b5/P4p2/1Pp2p1p/K1P2P1P/8/3B4/8 w - - bm Be3 b6+; id "WAC.100-XTDa.11-";
8/5b1k/2p4P/p1p2pP1/P1P2P1K/8/4B3/8 w - - bm Bd3 g6+; id "WAC.100-XTDb.11-";
8/3b4/8/k1p2p1p/1pP2P1P/p4P2/K1B5/8 b - - bm Be6 b3+; id "WAC.100-XTDc.11-";
8/4b3/8/p1p2p1k/P1P2Pp1/2P4p/5B1K/8 b - - bm Bd6 g3+; id "WAC.100-XTDd.11-";
6k1/p5p1/5p2/2P2Q2/3pN2p/3PbK1P/7P/6q1 b - - bm Qf1+; id "WAC.111-XTDa.12-";
1k6/1p5p/2p5/2Q2P2/p2Np3/P1KbP3/P7/1q6 b - - bm Qc1+; id "WAC.111-XTDb.12-";
6Q1/7p/3pBk1p/3Pn2P/2p2q2/5P2/P5P1/6K1 w - - bm Qf8+; id "WAC.111-XTDc.12-";
1Q6/p7/p1kBp3/P2nP3/2q2p2/2P5/1P5P/1K6 w - - bm Qc8+; id "WAC.111-XTDd.12-";
r2r2k1/2p2ppp/p7/1p2P1n1/P6q/5P2/1PB1QP1P/R5RK b - - bm Rd2; id "WAC.116-XTDa.13-";
1k2r2r/ppp2p2/7p/1n1P2p1/q6P/2P5/P1PQ1BP1/KR5R b - - bm Re2; id "WAC.116-XTDb.13-";
r5rk/1pb1qp1p/5p2/p6Q/1P2p1N1/P7/2P2PPP/R2R2K1 w - - bm Rd7; id "WAC.116-XTDc.13-";
kr5r/p1pq1bp1/2p5/Q6p/1N1p2P1/7P/PPP2P2/1K2R2R w - - bm Re7; id "WAC.116-XTDd.13-";
2rq1bk1/p4p1p/1p4p1/3b4/3B1Q2/8/P4PpP/3RR1K1 w - - bm Re8; id "WAC.131-XTDa.14-";
1kb1qr2/p1p4p/1p4p1/4b3/2Q1B3/8/PpP4P/1K1RR3 w - - bm Rd8; id "WAC.131-XTDb.14-";
3rr1k1/p4pPp/8/3b1q2/3B4/1P4P1/P4P1P/2RQ1BK1 b - - bm Re1; id "WAC.131-XTDc.14-";
1k1rr3/pPp4p/8/2q1b3/4B3/1P4P1/P1P4P/1KB1QR2 b - - bm Rd1; id "WAC.131-XTDd.14-";
r1b1k2r/1pp1q2p/p1n3p1/3QPp2/8/1BP3B1/P5PP/3R1RK1 w kq - bm Bh4; id "WAC.133-XTDa.15-";
3r1rk1/p5pp/1bp3b1/8/3qpP2/P1N3P1/1PP1Q2P/R1B1K2R b KQ - bm Bh5; id "WAC.133-XTDc.15-";
4r1k1/p1qr1p2/2pb1Bp1/1p5p/3P1n1R/1B3P2/PP3PK1/2Q4R w - - bm Qxf4; id "WAC.141-XTDa.16-";
1k1r4/2p1rq1p/1pB1bp2/p5p1/R1n1P3/2P3B1/1KP3PP/R4Q2 w - - bm Qxc4; id "WAC.141-XTDb.16-";
2q4r/pp3pk1/1b3p2/3p1N1r/1P5P/2PB1bP1/P1QR1P2/4R1K1 b - - bm Qxf5; id "WAC.141-XTDc.16-";
r4q2/1kp3pp/2p3b1/r1N1p3/P5P1/1Pb1BP2/2P1RQ1P/1K1R4 b - - bm Qxc5; id "WAC.141-XTDd.16-";
8/3b2kp/4p1p1/pr1n4/N1N4P/1P4P1/1K3P2/3R4 w - - bm Nc3; id "WAC.151-XTDa.17-";
8/pk2b3/1p1p4/4n1rp/P4N1N/1P4P1/2P3K1/4R3 w - - bm Nf3; id "WAC.151-XTDb.17-";
3r4/1k3p2/1p4p1/n1n4p/PR1N4/4P1P1/3B2KP/8 b - - bm Nc6; id "WAC.151-XTDc.17-";
4r3/2p3k1/1p4p1/p4n1n/4N1RP/1P1P4/PK2B3/8 b - - bm Nf6; id "WAC.151-XTDd.17-";
5bk1/1rQ4p/5pp1/2pP4/3n1PP1/7P/1q3BB1/4R1K1 w - - bm d6; id "WAC.155-XTDa.18-";
1kb5/p4Qr1/1pp5/4Pp2/1PP1n3/P7/1BB3q1/1K1R4 w - - bm e6; id "WAC.155-XTDb.18-";
4r1k1/1Q3bb1/7p/3N1pp1/2Pp4/5PP1/1Rq4P/5BK1 b - - bm d3; id "WAC.155-XTDc.18-";
1k1r4/1bb3Q1/p7/1pp1N3/4pP2/1PP5/P4qR1/1KB5 b - - bm e3; id "WAC.155-XTDd.18-";
5rk1/2p4p/2p4r/3P4/4p1b1/1Q2NqPp/PP3P1K/R4R2 b - - bm Qg2+; id "WAC.163-XTDa.19-";
1kr5/p4p2/r4p2/4P3/1b1p4/pPqN2Q1/K1P3PP/2R4R b - - bm Qb2+; id "WAC.163-XTDb.19-";
r4r2/pp3p1k/1q2nQpP/4P1B1/3p4/2P4R/2P4P/5RK1 w - - bm Qg7+; id "WAC.163-XTDc.19-";
2r4r/k1p3pp/PpQn2q1/1B1P4/4p3/R4P2/P4P2/1KR5 w - - bm Qb7+; id "WAC.163-XTDd.19-";
r1bq3r/ppp2pk1/3p1pp1/8/2BbPQ2/2NP2P1/PPP4P/R4R1K b - - bm Rxh2+; id "WAC.176-XTDa.20-";
r3qb1r/1kp2ppp/1pp1p3/8/2QPbB2/1P2PN2/P4PPP/K1R4R b - - bm Rxa2+; id "WAC.176-XTDb.20-";
r4r1k/ppp4p/2np2p1/2bBpq2/8/3P1PP1/PPP2PK1/R1BQ3R w - - bm Rxh7+; id "WAC.176-XTDc.20-";
k1r4r/p4ppp/1p2pn2/2qpBb2/8/1PP1P3/1KP2PPP/R3QB1R w - - bm Rxa7+; id "WAC.176-XTDd.20-";
rr4k1/p1pq2pp/Q1n1pn2/2bpp3/4P3/2PP1NN1/PP3PPP/R1B1K2R b KQ - bm Nb4; id "WAC.196-XTDa.21-";
r1b1k2r/pp3ppp/2pp1nn1/4p3/2BPP3/q1N1PN2/P1PQ2PP/RR4K1 w kq - bm Nb5; id "WAC.196-XTDc.21-";
2rqrn1k/pb4pp/1p2pp2/n2P4/2P3N1/P2B2Q1/1B3PPP/2R1R1K1 w - - bm Bxf6; id "WAC.200-XTDa.22-";
k1nrqr2/pp4bp/2pp2p1/4P2n/1N3P2/1Q2B2P/PPP3B1/1K1R1R2 w - - bm Bxc6; id "WAC.200-XTDb.22-";
2r1r1k1/1b3ppp/p2b2q1/2p3n1/N2p4/1P2PP2/PB4PP/2RQRN1K b - - bm Bxf3; id "WAC.200-XTDc.22-";
1k1r1r2/ppp3b1/1q2b2p/1n3p2/4p2N/2PP2P1/PP4BP/K1NRQR2 b - - bm Bxc3; id "WAC.200-XTDd.22-";
r1b1qrk1/1p3ppp/p1p5/3Nb3/5N2/P7/1P4PQ/K1R1R3 w - - bm Rxe5; id "WAC.204-XTDa.23-";
1krq1b1r/ppp3p1/5p1p/3bN3/2N5/7P/QP4P1/3R1R1K w - - bm Rxd5; id "WAC.204-XTDb.23-";
k1r1r3/1p4pq/p7/5n2/3nB3/P1P5/1P3PPP/R1B1QRK1 b - - bm Rxe4; id "WAC.204-XTDc.23-";
3r1r1k/qp4p1/7p/2n5/3Bn3/5P1P/PPP3P1/1KRQ1B1R b - - bm Rxd4; id "WAC.204-XTDd.23-";
r2r2k1/1p2qpp1/1np1p1p1/p3N3/2PPN3/bP5R/4QPPP/4R1K1 w - - bm Ng5; id "WAC.214-XTDa.24-";
1k2r2r/1ppq2p1/1p1p1pn1/3N3p/3NPP2/R5Pb/PPPQ4/1K1R4 w - - bm Nb5; id "WAC.214-XTDb.24-";
4r1k1/4qppp/Bp5r/2ppn3/P3n3/1NP1P1P1/1P2QPP1/R2R2K1 b - - bm Ng4; id "WAC.214-XTDc.24-";
1k1r4/pppq4/r5pB/3npp2/3n3P/1P1P1PN1/1PPQ2P1/1K2R2R b - - bm Nb4; id "WAC.214-XTDd.24-";
r1bqk2r/pp3ppp/5n2/8/1b1npB2/2N5/PP1Q2PP/1K2RBNR w kq - bm Nxe4; id "WAC.223-XTDa.25-";
1k2rbnr/pp1q2pp/2n5/1B1NPb2/8/5N2/PP3PPP/R1BQK2R b KQ - bm Nxe5; id "WAC.223-XTDc.25-";
r4rk1/1bq1bp1p/4p1p1/p2p4/3BnP2/1N1B3R/PPP3PP/R2Q2K1 w - - bm Bxe4; id "WAC.228-XTDa.26-";
1kr4r/p1pb1qb1/1p1p4/4p2p/2PnB3/R3B1N1/PP3PPP/1K2Q2R w - - bm Bxd4; id "WAC.228-XTDb.26-";
r2q2k1/ppp3pp/1n1b3r/3bNp2/P2P4/4P1P1/1BQ1BP1P/R4RK1 b - - bm Bxe5; id "WAC.228-XTDc.26-";
1k2q2r/pp3ppp/r3b1n1/2pNb3/4P2P/1P1P4/P1PB1QB1/1KR4R b - - bm Bxd5; id "WAC.228-XTDd.26-";
8/8/8/1p5r/p1p1k1pN/P2pBpP1/1P1K1P2/8 b - - bm Rxh4 b4; id "WAC.229-XTDa.27-";
8/8/8/r5p1/Np1k1p1p/1PpBp2P/2P1K1P1/8 b - - bm Rxa4 g4; id "WAC.229-XTDb.27-";
8/1p1k1p2/p2PbPp1/P1P1K1Pn/1P5R/8/8/8 w - - bm Rxh5 b5; id "WAC.229-XTDc.27-";
8/2p1k1p1/1pPbP2p/nP1K1P1P/R5P1/8/8/8 w - - bm Rxa5 g5; id "WAC.229-XTDd.27-";
2b5/1r6/2kBp1p1/p2pP1P1/2pP4/1pP3K1/1R3P2/8 b - - bm Rb4; id "WAC.230-XTDa.28-";
5b2/6r1/1p1pBk2/1P1Pp2p/4Pp2/1K3Pp1/2P3R1/8 b - - bm Rg4; id "WAC.230-XTDb.28-";
8/1r3p2/1Pp3k1/2Pp4/P2Pp1p1/2KbP1P1/1R6/2B5 w - - bm Rb5; id "WAC.230-XTDc.28-";
8/2p3r1/1k3pP1/4pP2/1p1pP2P/1P1PbK2/6R1/5B2 w - - bm Rg5; id "WAC.230-XTDd.28-";
5r2/1p1RRrk1/4Qq1p/1PP3p1/8/4B3/1b3P1P/6K1 w - - bm Qxf7+ Rxf7+; id "WAC.235-XTDa.29-";
2r5/1krRR1p1/p1qQ4/1p3PP1/8/3B4/P1P3b1/1K6 w - - bm Qxc7+ Rxc7+; id "WAC.235-XTDb.29-";
6k1/1B3p1p/4b3/8/1pp3P1/4qQ1P/1P1rrRK1/5R2 b - - bm Qxf2+ Rxf2+; id "WAC.235-XTDc.29-";
1k6/p1p3B1/3b4/8/1P3pp1/P1Qq4/1KRrr1P1/2R5 b - - bm Qxc2+ Rxc2+; id "WAC.235-XTDd.29-";
1k1r4/pp1r1pp1/4n1p1/2R5/2Pp1qP1/3P2QP/P4PB1/1R4K1 w - - bm Bxb7; id "WAC.238-XTDa.30-";
4r1k1/1pp1r1pp/1p1n4/5R2/1Pq1pP2/PQ2P3/1BP4P/1K4R1 w - - bm Bxg7; id "WAC.238-XTDb.30-";
1r4k1/p4pb1/3p2qp/2pP1Qp1/2r5/4N1P1/PP1R1PP1/1K1R4 b - - bm Bxb2; id "WAC.238-XTDc.30-";
1k4r1/1bp4p/pq2p3/1pQ1Pp2/5r2/1P1N4/1PP1R1PP/4R1K1 b - - bm Bxg2; id "WAC.238-XTDd.30-";
8/6k1/5pp1/Q6p/5P2/6PK/P4q1P/8 b - - bm Qf1+; id "WAC.239-XTDa.31-";
8/1k6/1pp5/p6Q/2P5/KP6/P1q4P/8 b - - bm Qc1+; id "WAC.239-XTDb.31-";
8/p4Q1p/6pk/5p2/q6P/5PP1/6K1/8 w - - bm Qf8+; id "WAC.239-XTDc.31-";
8/p1Q4p/kp6/2p5/P6q/1PP5/1K6/8 w - - bm Qc8+; id "WAC.239-XTDd.31-";
2rq1rk1/pp3ppp/2n2b2/4NR2/3P4/PB5Q/1P4PP/3R2K1 w - - bm Qxh7+; id "WAC.241-XTDa.32-";
1kr1qr2/ppp3pp/2b2n2/2RN4/4P3/Q5BP/PP4P1/1K2R3 w - - bm Qxa7+; id "WAC.241-XTDb.32-";
3r2k1/1p4pp/pb5q/3p4/4nr2/2N2B2/PP3PPP/2RQ1RK1 b - - bm Qxh2+; id "WAC.241-XTDc.32-";
1k2r3/pp4p1/q5bp/4p3/2rn4/2B2N2/PPP3PP/1KR1QR2 b - - bm Qxa2+; id "WAC.241-XTDd.32-";
1r3r1k/3p4/1p1Nn1R1/4Pp1q/pP3P1p/P7/5Q1P/6RK w - - bm Qe2; id "WAC.243-XTDa.33-";
k1r3r1/4p3/1R1nN1p1/q1pP4/p1P3Pp/7P/P1Q5/KR6 w - - bm Qd2; id "WAC.243-XTDb.33-";
6rk/5q1p/p7/Pp3p1P/4pP1Q/1P1nN1r1/3P4/1R3R1K b - - bm Qe7; id "WAC.243-XTDc.33-";
kr6/p1q5/7p/P1p3pP/Q1Pp4/1r1Nn1P1/4P3/K1R3R1 b - - bm Qd7; id "WAC.243-XTDd.33-";
2k1r3/1p2Bq2/p2Qp3/Pb1p1p1P/2pP1P2/2P5/2P2KP1/1R6 w - - bm Rxb5; id "WAC.247-XTDa.34-";
3r1k2/2qB2p1/3pQ2p/P1p1p1bP/2P1Pp2/5P2/1PK2P2/6R1 w - - bm Rxg5; id "WAC.247-XTDb.34-";
1r6/2p2kp1/2p5/2Pp1p2/pB1P1P1p/P2qP3/1P2bQ2/2K1R3 b - - bm Rxb4; id "WAC.247-XTDc.34-";
6r1/1pk2p2/5p2/2p1pP2/p1P1P1Bp/3Pq2P/2Qb2P1/3R1K2 b - - bm Rxg4; id "WAC.247-XTDd.34-";
5r1k/1p4pp/3q4/3Pp1R1/8/8/PP4PP/4Q1K1 b - - bm Qc5+; id "WAC.248-XTDa.35-";
k1r5/pp4p1/4q3/1R1pP3/8/8/PP4PP/1K1Q4 b - - bm Qf5+; id "WAC.248-XTDb.35-";
4q1k1/pp4pp/8/8/3pP1r1/3Q4/1P4PP/5R1K w - - bm Qc4+; id "WAC.248-XTDc.35-";
1k1q4/pp4pp/8/8/1r1Pp3/4Q3/PP4P1/K1R5 w - - bm Qf4+; id "WAC.248-XTDd.35-";
1rb1r1k1/p1p2ppp/5n2/2pP4/5P2/2QB4/qNP3PP/2KRB2R b - - bm Bg4 Re2; id "WAC.252-XTDa.36-";
1k1r1br1/ppp2p1p/2n5/4Pp2/2P5/4BQ2/PP3PNq/R2BRK2 b - - bm Bb4 Rd2; id "WAC.252-XTDb.36-";
2krb2r/Qnp3pp/2qb4/5p2/2Pp4/5N2/P1P2PPP/1RB1R1K1 w - - bm Bg5 Re7; id "WAC.252-XTDc.36-";
r2brk2/pp3pnQ/4bq2/2p5/4pP2/2N5/PPP2P1P/1K1R1BR1 w - - bm Bb5 Rd7; id "WAC.252-XTDd.36-";
r6k/pp3p1p/2p1bp1q/b3p3/4Pnr1/2PP2NP/PP1Q1PPN/R2B2RK b - - bm Nxh3; id "WAC.254-XTDa.37-";
k6r/p1p3pp/q1pb1p2/3p3b/1rnP4/PN2PP2/NPP1Q1PP/KR2B2R b - - bm Nxa3; id "WAC.254-XTDb.37-";
r2b2rk/pp1q1ppn/2pp2np/4pNR1/B3P3/2P1BP1Q/PP3P1P/R6K w - - bm Nxh6; id "WAC.254-XTDc.37-";
kr2b2r/npp1q1pp/pn2pp2/1RNp4/3P3B/Q1PB1P2/P1P3PP/K6R w - - bm Nxa6; id "WAC.254-XTDd.37-";
3r1rk1/1pb1qp1p/2p3p1/p7/P2Np2R/1P5P/1BP2PP1/3Q1BK1 w - - bm Nf5; id "WAC.256-XTDa.38-";
1kr1r3/p1pq1bp1/1p3p2/7p/R2pN2P/P5P1/1PP2PB1/1KB1Q3 w - - bm Nc5; id "WAC.256-XTDb.38-";
3q1bk1/1bp2pp1/1p5p/p2nP2r/P7/2P3P1/1PB1QP1P/3R1RK1 b - - bm Nf4; id "WAC.256-XTDc.38-";
1kb1q3/1pp2pb1/p5p1/r2Pn2p/7P/1P3P2/P1PQ1BP1/1KR1R3 b - - bm Nc4; id "WAC.256-XTDd.38-";
r2r2k1/1R2qp2/p5pp/2P5/b1PN1b2/P7/1Q3PPP/1B1R2K1 b - - bm Rab8; id "WAC.264-XTDa.39-";
1k2r2r/2pq2R1/pp5p/5P2/2b1NP1b/7P/PPP3Q1/1K2R1B1 b - - bm Rhg8; id "WAC.264-XTDb.39-";
1b1r2k1/1q3ppp/p7/B1pn1B2/2p5/P5PP/1r2QP2/R2R2K1 w - - bm Rab1; id "WAC.264-XTDc.39-";
1k2r1b1/ppp3q1/7p/2B1np1B/5p2/PP5P/2PQ2r1/1K2R2R w - - bm Rhg1; id "WAC.264-XTDd.39-";
2r1k2r/2pn1pp1/1p3n1p/p3PP2/4q2B/P1P5/2Q1N1PP/R4RK1 w k - bm exf6; id "WAC.265-XTDa.40-";
r4rk1/2q1n1pp/p1p5/4Q2b/P3pp2/1P3N1P/2PN1PP1/2R1K2R b K - bm exf3; id "WAC.265-XTDc.40-";
2kr2nr/pp1n1ppp/2p1p3/q7/1b1P1B2/P1N2Q1P/1PP1BPP1/R3K2R w KQ - bm axb4; id "WAC.269-XTDa.41-";
r3k2r/1pp1bpp1/p1n2q1p/1B1p1b2/Q7/2P1P3/PP1N1PPP/2KR2NR b kq - bm axb5; id "WAC.269-XTDc.41-";
2r1r1k1/pp1q1ppp/3p1b2/3P4/3Q4/5N2/PP2RPPP/4R1K1 w - - bm Qg4; id "WAC.270-XTDa.42-";
1k1r1r2/ppp1q1pp/2b1p3/4P3/4Q3/2N5/PPPR2PP/1K1R4 w - - bm Qb4; id "WAC.270-XTDb.42-";
4r1k1/pp2rppp/5n2/3q4/3p4/3P1B2/PP1Q1PPP/2R1R1K1 b - - bm Qg5; id "WAC.270-XTDc.42-";
1k1r4/pppr2pp/2n5/4q3/4p3/2B1P3/PPP1Q1PP/1K1R1R2 b - - bm Qb5; id "WAC.270-XTDd.42-";
nrq4r/2k1p3/1p1pPnp1/pRpP1p2/P1P2P2/2P1BB2/1R2Q1P1/6K1 w - - bm Bxc5; id "WAC.272-XTDa.43-";
r4qrn/3p1k2/1pnPp1p1/2p1PpRp/2P2P1P/2BB1P2/1P1Q2R1/1K6 w - - bm Bxf5; id "WAC.272-XTDb.43-";
6k1/1r2q1p1/2p1bb2/p1p2p2/PrPp1P2/1P1PpNP1/2K1P3/NRQ4R b - - bm Bxc4; id "WAC.272-XTDc.43-";
1k6/1p1q2r1/2bb1p2/2p2p1p/2P1pPrP/1PNpP1P1/3P1K2/R4QRN b - - bm Bxf4; id "WAC.272-XTDd.43-";
3q1rk1/4bp1p/1n2P2Q/3p1p2/6r1/Pp2R2N/1B4PP/7K w - - bm Ng5; id "WAC.283-XTDa.44-";
1kr1q3/p1pb4/Q2P2n1/2p1p3/1r6/N2R2pP/PP4B1/K7 w - - bm Nb5; id "WAC.283-XTDb.44-";
7k/1b4pp/pP2r2n/6R1/3P1P2/1N2p2q/4BP1P/3Q1RK1 b - - bm Ng4; id "WAC.283-XTDc.44-";
k7/pp4b1/n2r2Pp/1R6/2P1P3/q2p2N1/P1PB4/1KR1Q3 b - - bm Nb4; id "WAC.283-XTDd.44-";
rn3k1r/pp2bBpp/2p2n2/q5N1/3P4/1P6/P1P3PP/R1BQ1RK1 w - - bm Qh5; id "WAC.287-XTDa.45-";
r1k3nr/ppBb2pp/2n2p2/1N5q/4P3/6P1/PP3P1P/1KR1QB1R w - - bm Qa5; id "WAC.287-XTDb.45-";
r1bq1rk1/p1p3pp/1p6/3p4/Q5n1/2P2N2/PP2BbPP/RN3K1R b - - bm Qh4; id "WAC.287-XTDc.45-";
1kr1qb1r/pp3p1p/6p1/4p3/1n5Q/2N2P2/PPbB2PP/R1K3NR b - - bm Qa4; id "WAC.287-XTDd.45-";
5r1k/3b2p1/p6p/1pRpR3/1P1P2q1/P4pP1/5QnP/1B4K1 w - - bm h3; id "WAC.291-XTDa.46-";
k1r5/1p2b3/p6p/3RpRp1/1q2P1P1/1Pp4P/PnQ5/1K4B1 w - - bm a3; id "WAC.291-XTDb.46-";
1b4k1/5qNp/p4Pp1/1p1p2Q1/1PrPr3/P6P/3B2P1/5R1K b - - bm h6; id "WAC.291-XTDc.46-";
1k4b1/pNq5/1pP4p/1Q2p1p1/3rPrP1/P6P/1P2B3/K1R5 b - - bm a6; id "WAC.291-XTDd.46-";
1nbq1r1k/3rbp1p/p1p1pp1Q/1p6/P1pPN3/5NP1/1P2PPBP/R4RK1 w - - bm Nfg5; id "WAC.293-XTDa.47-";
k1r1qbn1/p1pbr3/Q1pp1p1p/6p1/3NPp1P/1PN5/PBPP2P1/1KR4R w - - bm Ncb5; id "WAC.293-XTDb.47-";
r4rk1/1p2ppbp/5np1/p1Ppn3/1P6/P1P1PP1q/3RBP1P/1NBQ1R1K b - - bm Nfg4; id "WAC.293-XTDc.47-";
1kr4r/pbpp2p1/1pn5/3npP1p/6P1/q1PP1P1P/P1PBR3/K1R1QBN1 b - - bm Ncb4; id "WAC.293-XTDd.47-";
I made one of these - used Jabba to generate epd lines for every move from a file of pgn games.
Then made a function which reads the the lines, calls eval, mirrors the board, calls again, compares values etc.
You could use the pgn2epd utility to do this for you... then you quickly have a file of over 100k positions to test the mirror
I think I large sample of games is needed though ( remember reading that Bob Hyatt uses an enourmous file), because some features don't occur that often.
brianr wrote:I have been using a mirror.epd test suite with Tinker since at least Nov, 2003,
but foolishly had been using it only when changing things like the evaluation.
I have a debug switch that allow me to do this on the fly. Every time I reach eval, I mirror the positions vertically and horizontally (if no castling is available) and check that they give the same score. Then, I am forced to use this tool every time I am in debug mode. In the past it fired up in few situations that were not related to eval problems. It has been proved very useful to me.
Miguel
Well, today I found a SEE bug using this suite and thought I would recommend it here for more general testing.
I have looked a bit online and cannot find the source of this suite, but there have been mentions of things like this here from time to time.
I was thinking of adding something to the engine testing section of the chess wiki but would like to give proper credit (Dann and/or Bob?)
2rr3k/pp3pp1/1nnqbN1p/3pN3/2pP4/2P3Q1/PPB4P/R4RK1 w - - bm Qg6; id "WAC.001";
r4rk1/ppb4p/2p3q1/2Pp4/3Pn3/1NNQBn1P/PP3PP1/2RR3K b - -;
8/7p/5k2/5p2/p1p2P2/Pr1pPK2/1P1R3P/8 b - - bm Rxb2; id "WAC.002";
8/1p1r3p/pR1Ppk2/P1P2p2/5P2/5K2/7P/8 w - -;
r4q1k/p2bR1rp/2p2Q1N/5p2/5p2/2P5/PP3PPP/R5K1 w - - bm Rf7; id "WAC.008";
r5k1/pp3ppp/2p5/5P2/5P2/2P2q1n/P2Br1RP/R4Q1K b - -;
R7/P4k2/8/8/8/8/r7/6K1 w - - bm Rh8; id "WAC.018";
6k1/R7/8/8/8/8/p4K2/r7 b - -;
5rk1/1b3p1p/pp3p2/3n1N2/1P6/P1qB1PP1/3Q3P/4R1K1 w - - bm Qh6; id "WAC.021";
4r1k1/3q3p/p1Qb1pp1/1p6/3N1n2/PP3P2/1B3P1P/5RK1 b - -;
r3nrk1/2p2p1p/p1p1b1p1/2NpPq2/3R4/P1N1Q3/1PP2PPP/4R1K1 w - - bm g4; id "WAC.023";
4r1k1/1pp2ppp/p1n1q3/3r4/2nPpQ2/P1P1B1P1/2P2P1P/R3NRK1 b - -;
3r2k1/1p1b1pp1/pq5p/8/3NR3/2PQ3P/PP3PP1/6K1 b - - bm Bf5; id "WAC.026";
6k1/pp3pp1/2pq3p/3nr3/8/PQ5P/1P1B1PP1/3R2K1 w - -;
r1bqr1k1/pp1nb1p1/4p2p/3p1p2/3P4/P1N1PNP1/1PQ2PP1/3RKB1R w K - bm Nb5; id "WAC.046";
3rkb1r/1pq2pp1/p1n1pnp1/3p4/3P1P2/4P2P/PP1NB1P1/R1BQR1K1 b k -;
2b3k1/4rrpp/p2p4/2pP2RQ/1pP1Pp1N/1P3P1P/1q6/6RK w - - bm Qxh7+; id "WAC.049";
6rk/1Q6/1p3p1p/1Pp1pP1n/2Pp2rq/P2P4/4RRPP/2B3K1 b - -;
r3r1k1/pp1q1pp1/4b1p1/3p2B1/3Q1R2/8/PPP3PP/4R1K1 w - - bm Qxg7+; id "WAC.055";
4r1k1/ppp3pp/8/3q1r2/3P2b1/4B1P1/PP1Q1PP1/R3R1K1 b - -;
2kr3r/pp1q1ppp/5n2/1Nb5/2Pp1B2/7Q/P4PPP/1R3RK1 w - - bm Nxa7+; id "WAC.071";
1r3rk1/p4ppp/7q/2pP1b2/1nB5/5N2/PP1Q1PPP/2KR3R b - -;
r4rk1/1bR1bppp/4pn2/1p2N3/1P6/P3P3/4BPPP/3R2K1 b - - bm Bd6; id "WAC.081";
3r2k1/4bppp/p3p3/1p6/1P2n3/4PN2/1Br1BPPP/R4RK1 w - -;
r4rk1/1p2ppbp/p2pbnp1/q7/3BPPP1/2N2B2/PPP4P/R2Q1RK1 b - - bm Bxg4; id "WAC.092";
r2q1rk1/ppp4p/2n2b2/3bppp1/Q7/P2PBNP1/1P2PPBP/R4RK1 w - -;
8/k1b5/P4p2/1Pp2p1p/K1P2P1P/8/3B4/8 w - - bm Be3 b6+; id "WAC.100";
8/3b4/8/k1p2p1p/1pP2P1P/p4P2/K1B5/8 b - -;
5rk1/p5pp/8/8/2Pbp3/1P4P1/7P/4RN1K b - - bm Bc3; id "WAC.101";
4rn1k/7p/1p4p1/2pBP3/8/8/P5PP/5RK1 w - -;
r2r2k1/2p2ppp/p7/1p2P1n1/P6q/5P2/1PB1QP1P/R5RK b - - bm Rd2; id "WAC.116";
r5rk/1pb1qp1p/5p2/p6Q/1P2p1N1/P7/2P2PPP/R2R2K1 w - -;
r5k1/pb2rpp1/1p6/2p4q/5R2/2PB2Q1/P1P3PP/5R1K w - - bm Rh4; id "WAC.118";
5r1k/p1p3pp/2pb2q1/5r2/2P4Q/1P6/PB2RPP1/R5K1 b - -;
r4rk1/1bn2qnp/3p1B1Q/p2P1pP1/1pp5/5N1P/PPB2P2/2KR3R w - - bm Rhg1 g6; id "WAC.120";
2kr3r/ppb2p2/5n1p/1PP5/P2p1Pp1/3P1b1q/1BN2QNP/R4RK1 b - -;
2k4r/1pr1n3/p1p1q2p/5pp1/3P1P2/P1P1P3/1R2Q1PP/1RB3K1 w - - bm Rxb7; id "WAC.127";
1rb3k1/1r2q1pp/p1p1p3/3p1p2/5PP1/P1P1Q2P/1PR1N3/2K4R b - -;
6rk/1pp2Qrp/3p1B2/1pb1p2R/3n1q2/3P4/PPP3PP/R6K w - - bm Qg6; id "WAC.128";
r6k/ppp3pp/3p4/3N1Q2/1PB1P2r/3P1b2/1PP2qRP/6RK b - -;
6k1/1pp3q1/5r2/1PPp4/3P1pP1/3Qn2P/3B4/4R1K1 b - - bm Qh6 Qh8; id "WAC.130";
4r1k1/3b4/3qN2p/3p1Pp1/1ppP4/5R2/1PP3Q1/6K1 w - -;
2rq1bk1/p4p1p/1p4p1/3b4/3B1Q2/8/P4PpP/3RR1K1 w - - bm Re8; id "WAC.131";
3rr1k1/p4pPp/8/3b1q2/3B4/1P4P1/P4P1P/2RQ1BK1 b - -;
r1b1k2r/1pp1q2p/p1n3p1/3QPp2/8/1BP3B1/P5PP/3R1RK1 w kq - bm Bh4; id "WAC.133";
3r1rk1/p5pp/1bp3b1/8/3qpP2/P1N3P1/1PP1Q2P/R1B1K2R b KQ -;
4r1k1/p1qr1p2/2pb1Bp1/1p5p/3P1n1R/1B3P2/PP3PK1/2Q4R w - - bm Qxf4; id "WAC.141";
2q4r/pp3pk1/1b3p2/3p1N1r/1P5P/2PB1bP1/P1QR1P2/4R1K1 b - -;
r1bq4/1p4kp/3p1n2/p4pB1/2pQ4/8/1P4PP/4RRK1 w - - bm Re8; id "WAC.145";
4rrk1/1p4pp/8/2Pq4/P4Pb1/3P1N2/1P4KP/R1BQ4 b - -;
r2r2k1/ppqbppbp/2n2np1/2pp4/6P1/1P1PPNNP/PBP2PB1/R2QK2R b KQ - bm Nxg4; id "WAC.147";
r2qk2r/pbp2pb1/1p1ppnnp/6p1/2PP4/2N2NP1/PPQBPPBP/R2R2K1 w kq -;
5bk1/1rQ4p/5pp1/2pP4/3n1PP1/7P/1q3BB1/4R1K1 w - - bm d6; id "WAC.155";
4r1k1/1Q3bb1/7p/3N1pp1/2Pp4/5PP1/1Rq4P/5BK1 b - -;
5rk1/2p4p/2p4r/3P4/4p1b1/1Q2NqPp/PP3P1K/R4R2 b - - bm Qg2+; id "WAC.163";
r4r2/pp3p1k/1q2nQpP/4P1B1/3p4/2P4R/2P4P/5RK1 w - -;
7Q/ppp2q2/3p2k1/P2Ppr1N/1PP5/7R/5rP1/6K1 b - - bm Rxg2+; id "WAC.167";
6k1/5Rp1/7r/1pp5/p2pPR1n/3P2K1/PPP2Q2/7q w - -;
2rq4/1b2b1kp/p3p1p1/1p1nNp2/7P/1B2B1Q1/PP3PP1/3R2K1 w - - bm Bh6+; id "WAC.171";
3r2k1/pp3pp1/1b2b1q1/7p/1P1NnP2/P3P1P1/1B2B1KP/2RQ4 b - -;
r1q2rk1/p3bppb/3p1n1p/2nPp3/1p2P1P1/6NP/PP2QPB1/R1BNK2R b KQ - bm Nxd5; id "WAC.180";
r1bnk2r/pp2qpb1/6np/1P2p1p1/2NpP3/3P1N1P/P3BPPB/R1Q2RK1 w kq -;
8/p2b2kp/1q1p2p1/1P1Pp3/4P3/3B2P1/P2Q3P/2Nn3K b - - bm Bh3; id "WAC.190";
2nN3k/p2q3p/3b2p1/4p3/1p1pP3/1Q1P2P1/P2B2KP/8 w - -;
5bk1/p4ppp/Qp6/4B3/1P6/Pq2P1P1/2rr1P1P/R4RK1 b - - bm Qxe3; id "WAC.193";
r4rk1/2RR1p1p/pQ2p1p1/1p6/4b3/qP6/P4PPP/5BK1 w - -;
5rk1/ppq2ppp/2p5/4bN2/4P3/6Q1/PPP2PPP/3R2K1 w - - bm Nh6+; id "WAC.194";
3r2k1/ppp2ppp/6q1/4p3/4Bn2/2P5/PPQ2PPP/5RK1 b - -;
rr4k1/p1pq2pp/Q1n1pn2/2bpp3/4P3/2PP1NN1/PP3PPP/R1B1K2R b KQ - bm Nb4; id "WAC.196";
r1b1k2r/pp3ppp/2pp1nn1/4p3/2BPP3/q1N1PN2/P1PQ2PP/RR4K1 w kq -;
2rqrn1k/pb4pp/1p2pp2/n2P4/2P3N1/P2B2Q1/1B3PPP/2R1R1K1 w - - bm Bxf6; id "WAC.200";
2r1r1k1/1b3ppp/p2b2q1/2p3n1/N2p4/1P2PP2/PB4PP/2RQRN1K b - -;
r1bq2kr/p1pp1ppp/1pn1p3/4P3/2Pb2Q1/BR6/P4PPP/3K1BNR w - - bm Qxg7+; id "WAC.207";
3k1bnr/p4ppp/br6/2pB2q1/4p3/1PN1P3/P1PP1PPP/R1BQ2KR b - -;
3r1rk1/pp1q1ppp/3pn3/2pN4/5PP1/P5PQ/1PP1B3/1K1R4 w - - bm Rh1; id "WAC.210";
1k1r4/1pp1b3/p5pq/5pp1/2Pn4/3PN3/PP1Q1PPP/3R1RK1 b - -;
rn1qr2Q/pbppk1p1/1p2pb2/4N3/3P4/2N5/PPP3PP/R4RK1 w - - bm Qxg7+; id "WAC.212";
r4rk1/ppp3pp/2n5/3p4/4n3/1P2PB2/PBPPK1P1/RN1QR2q b - -;
3r1r1k/1b4pp/ppn1p3/4Pp1R/Pn5P/3P4/4QP2/1qB1NKR1 w - - bm Rxh7+; id "WAC.213";
1Qb1nkr1/4qp2/3p4/pN5p/4pP1r/PPN1P3/1B4PP/3R1R1K b - -;
3rr1k1/ppp2ppp/8/5Q2/4n3/1B5R/PPP1qPP1/5RK1 b - - bm Qxf1+; id "WAC.220";
5rk1/ppp1Qpp1/1b5r/4N3/5q2/8/PPP2PPP/3RR1K1 w - -;
2r1r2k/1q3ppp/p2Rp3/2p1P3/6QB/p3P3/bP3PPP/3R2K1 w - - bm Bf6; id "WAC.222";
3r2k1/Bp3ppp/P3p3/6qb/2P1p3/P2rP3/1Q3PPP/2R1R2K b - -;
r1bqk2r/pp3ppp/5n2/8/1b1npB2/2N5/PP1Q2PP/1K2RBNR w kq - bm Nxe4; id "WAC.223";
1k2rbnr/pp1q2pp/2n5/1B1NPb2/8/5N2/PP3PPP/R1BQK2R b KQ -;
2b2rk1/p1p4p/2p1p1p1/br2N1Q1/1p2q3/8/PB3PPP/3R1RK1 w - - bm Nf7; id "WAC.226";
3r1rk1/pb3ppp/8/1P2Q3/BR2n1q1/2P1P1P1/P1P4P/2B2RK1 b - -;
r4rk1/1bq1bp1p/4p1p1/p2p4/3BnP2/1N1B3R/PPP3PP/R2Q2K1 w - - bm Bxe4; id "WAC.228";
r2q2k1/ppp3pp/1n1b3r/3bNp2/P2P4/4P1P1/1BQ1BP1P/R4RK1 b - -;
8/8/8/1p5r/p1p1k1pN/P2pBpP1/1P1K1P2/8 b - - bm Rxh4 b4; id "WAC.229";
8/1p1k1p2/p2PbPp1/P1P1K1Pn/1P5R/8/8/8 w - -;
2b5/1r6/2kBp1p1/p2pP1P1/2pP4/1pP3K1/1R3P2/8 b - - bm Rb4; id "WAC.230";
8/1r3p2/1Pp3k1/2Pp4/P2Pp1p1/2KbP1P1/1R6/2B5 w - -;
r5k1/pQp2qpp/8/4pbN1/3P4/6P1/PPr4P/1K1R3R b - - bm Rc1+; id "WAC.237";
1k1r3r/ppR4p/6p1/3p4/4PBn1/8/PqP2QPP/R5K1 w - -;
1k1r4/pp1r1pp1/4n1p1/2R5/2Pp1qP1/3P2QP/P4PB1/1R4K1 w - - bm Bxb7; id "WAC.238";
1r4k1/p4pb1/3p2qp/2pP1Qp1/2r5/4N1P1/PP1R1PP1/1K1R4 b - -;
2rq1rk1/pp3ppp/2n2b2/4NR2/3P4/PB5Q/1P4PP/3R2K1 w - - bm Qxh7+; id "WAC.241";
3r2k1/1p4pp/pb5q/3p4/4nr2/2N2B2/PP3PPP/2RQ1RK1 b - -;
4rrn1/ppq3bk/3pPnpp/2p5/2PB4/2NQ1RPB/PP5P/5R1K w - - bm Qxg6+; id "WAC.245";
5r1k/pp5p/2nq1rpb/2pb4/2P5/3PpNPP/PPQ3BK/4RRN1 b - -;
2k1r3/1p2Bq2/p2Qp3/Pb1p1p1P/2pP1P2/2P5/2P2KP1/1R6 w - - bm Rxb5; id "WAC.247";
1r6/2p2kp1/2p5/2Pp1p2/pB1P1P1p/P2qP3/1P2bQ2/2K1R3 b - -;
r4rk1/pbq2pp1/1ppbpn1p/8/2PP4/1P1Q1N2/PBB2PPP/R3R1K1 w - - bm c5 d5; id "WAC.249";
r3r1k1/pbb2ppp/1p1q1n2/2pp4/8/1PPBPN1P/PBQ2PP1/R4RK1 b - -;
1b5k/7P/p1p2np1/2P2p2/PP3P2/4RQ1R/q2r3P/6K1 w - - bm Re8+; id "WAC.250";
6k1/Q2R3p/4rq1r/pp3p2/2p2P2/P1P2NP1/7p/1B5K b - -;
k7/p4p2/P1q1b1p1/3p3p/3Q4/7P/5PP1/1R4K1 w - - bm Qe5 Qf4; id "WAC.251";
1r4k1/5pp1/7p/3q4/3P3P/p1Q1B1P1/P4P2/K7 b - -;
1rb1r1k1/p1p2ppp/5n2/2pP4/5P2/2QB4/qNP3PP/2KRB2R b - - bm Bg4 Re2; id "WAC.252";
2krb2r/Qnp3pp/2qb4/5p2/2Pp4/5N2/P1P2PPP/1RB1R1K1 w - -;
3r1rk1/1pb1qp1p/2p3p1/p7/P2Np2R/1P5P/1BP2PP1/3Q1BK1 w - - bm Nf5; id "WAC.256";
3q1bk1/1bp2pp1/1p5p/p2nP2r/P7/2P3P1/1PB1QP1P/3R1RK1 b - -;
r5k1/1bp3pp/p2p4/1p6/5p2/1PBP1nqP/1PP3Q1/R4R1K b - - bm Nd4; id "WAC.261";
r4r1k/1pp3q1/1pbp1NQp/5P2/1P6/P2P4/1BP3PP/R5K1 w - -;
6k1/p1B1b2p/2b3r1/2p5/4p3/1PP1N1Pq/P2R1P2/3Q2K1 b - - bm Rh6; id "WAC.262";
3q2k1/p2r1p2/1pp1n1pQ/4P3/2P5/2B3R1/P1b1B2P/6K1 w - -;
2r1k2r/2pn1pp1/1p3n1p/p3PP2/4q2B/P1P5/2Q1N1PP/R4RK1 w k - bm exf6; id "WAC.265";
r4rk1/2q1n1pp/p1p5/4Q2b/P3pp2/1P3N1P/2PN1PP1/2R1K2R b K -;
2kr2nr/pp1n1ppp/2p1p3/q7/1b1P1B2/P1N2Q1P/1PP1BPP1/R3K2R w KQ - bm axb4; id "WAC.269";
r3k2r/1pp1bpp1/p1n2q1p/1B1p1b2/Q7/2P1P3/PP1N1PPP/2KR2NR b kq -;
nrq4r/2k1p3/1p1pPnp1/pRpP1p2/P1P2P2/2P1BB2/1R2Q1P1/6K1 w - - bm Bxc5; id "WAC.272";
6k1/1r2q1p1/2p1bb2/p1p2p2/PrPp1P2/1P1PpNP1/2K1P3/NRQ4R b - -;
1r4r1/p2kb2p/bq2p3/3p1p2/5P2/2BB3Q/PP4PP/3RKR2 b - - bm Rg3 Rxg2; id "WAC.277";
3rkr2/pp4pp/2bb3q/5p2/3P1P2/BQ2P3/P2KB2P/1R4R1 w - -;
r1r2bk1/5p1p/pn4p1/N2b4/3Pp3/B3P3/2q1BPPP/RQ3RK1 b - - bm Bxa3; id "WAC.280";
rq3rk1/2Q1bppp/b3p3/3pP3/n2B4/PN4P1/5P1P/R1R2BK1 w - -;
3q1rk1/4bp1p/1n2P2Q/3p1p2/6r1/Pp2R2N/1B4PP/7K w - - bm Ng5; id "WAC.283";
7k/1b4pp/pP2r2n/6R1/3P1P2/1N2p2q/4BP1P/3Q1RK1 b - -;
rn3k1r/pp2bBpp/2p2n2/q5N1/3P4/1P6/P1P3PP/R1BQ1RK1 w - - bm Qg4 Qh5; id "WAC.287";
r1bq1rk1/p1p3pp/1p6/3p4/Q5n1/2P2N2/PP2BbPP/RN3K1R b - -;
5r1k/3b2p1/p6p/1pRpR3/1P1P2q1/P4pP1/5QnP/1B4K1 w - - bm h3; id "WAC.291";
1b4k1/5qNp/p4Pp1/1p1p2Q1/1PrPr3/P6P/3B2P1/5R1K b - -;
1nbq1r1k/3rbp1p/p1p1pp1Q/1p6/P1pPN3/5NP1/1P2PPBP/R4RK1 w - - bm Nfg5; id "WAC.293";
r4rk1/1p2ppbp/5np1/p1Ppn3/1P6/P1P1PP1q/3RBP1P/1NBQ1R1K b - -;
3r3k/1r3p1p/p1pB1p2/8/p1qNP1Q1/P6P/1P4P1/3R3K w - - bm Bf8 Nf5 Qf4; id "WAC.294";
3r3k/1p4p1/p6p/P1Qnp1q1/8/P1Pb1P2/1R3P1P/3R3K b - -;
3r4/1p2k2p/p1b1p1p1/4Q1Pn/2B3KP/4pP2/PP2R1N1/6q1 b - - bm Rd4+ Rf8; id "WAC.296";
6Q1/pp2r1n1/4Pp2/2b3kp/4q1pN/P1B1P1P1/1P2K2P/3R4 w - -;
3r1rk1/p3qp1p/2bb2p1/2p5/3P4/1P6/PBQN1PPP/2R2RK1 b - - bm Bxg2 Bxh2+; id "WAC.297";
2r2rk1/pbqn1ppp/1p6/3p4/2P5/2BB2P1/P3QP1P/3R1RK1 w - -;
6k1/6n1/1p3Rp1/4qp2/3pN1PQ/P2P3P/1Pr1r3/5RK1 w - - bm Qh8+; id "BWTC.24";
5rk1/1pR1R3/p2p3p/3Pn1pq/4QP2/1P3rP1/6N1/6K1 b - -;
2qrr1n1/3b1kp1/2pBpn1p/1p2PP2/p2P4/1BP5/P3Q1PP/4RRK1 w - - bm Qh5+; id "BWTC.31";
4rrk1/p3q1pp/1bp5/P2p4/1P2pp2/2PbPN1P/3B1KP1/2QRR1N1 b - -;
rn1k1r2/pp2R3/2pP1pqp/6p1/2BQ4/2P1B3/PP4P1/6K1 w - - bm Qb6+; id "BWTC.39";
6k1/pp4p1/2p1b3/2bq4/6P1/2Pp1PQP/PP2r3/RN1K1R2 b - -;
2r2b1r/pN1k2pn/2pP1p2/4Pqnp/2Q5/2P3P1/PP4BP/2KRR3 w - - bm Qf7+; id "BWTC.48";
2krr3/pp4bp/2p3p1/2q5/4pQNP/2Pp1P2/Pn1K2PN/2R2B1R b - -;
2k4r/1pp1q1p1/2n1b3/1Q3p1p/2Pr2n1/6P1/3NPPBP/R4RK1 w - - bm Qxb7+; id "BWTC.57";
r4rk1/3nppbp/6p1/2pR2N1/1q3P1P/2N1B3/1PP1Q1P1/2K4R b - -;
3r2r1/1k1b3n/1pp2q1b/3P1Np1/R4pp1/1Q3R1P/1PP5/2B4K w - - bm Qxb6+; id "BWTC.89";
2b4k/1pp5/1q3r1p/r4PP1/3p1nP1/1PP2Q1B/1K1B3N/3R2R1 b - -;
r4r1k/5p1p/p2p1Pp1/2p3Q1/2P1PR2/7P/1Pq3P1/1R5K w - - bm Qh6; id "BWTC.91";
1r5k/1pQ3p1/7p/2p1pr2/2P3q1/P2P1pP1/5P1P/R4R1K b - -;
8/q1n3kp/2p3p1/1p6/1B1pN3/3P1P2/r1P3PP/2Q2K2 w - - bm Qh6+; id "BWTC.101";
2q2k2/R1p3pp/3p1p2/1b1Pn3/1P6/2P3P1/Q1N3KP/8 b - -;
r1b2r1R/1p2bpk1/4p1p1/4P1N1/p2p4/5Q2/qPP2PP1/1NKR4 w - - bm Qf6+; id "BWTC.108";
1nkr4/Qpp2pp1/5q2/P2P4/4p1n1/4P1P1/1P2BPK1/R1B2R1r b - -;
r3r1k1/pp1q1pp1/4b1p1/3p2B1/3Q1R2/8/PPP3PP/4R1K1 w - - bm Qxg7+; id "BWTC.116";
4r1k1/ppp3pp/8/3q1r2/3P2b1/4B1P1/PP1Q1PP1/R3R1K1 b - -;
r1b2r2/3pNpkp/3pn1p1/2pN3P/2PnP3/q3QP2/4BKP1/1R5R w - - bm Qh6+; id "BWTC.121";
1r5r/4bkp1/Q3qp2/2pNp3/2Pn3p/3PN1P1/3PnPKP/R1B2R2 b - -;
r1bq1r2/ppp2pkp/3p2nn/2bN2NQ/2B1P3/8/PPp3PP/R1B2R1K w - - bm Qxh6+; id "BWTC.134";
r1b2r1k/ppP3pp/8/2b1p3/2Bn2nq/3P2NN/PPP2PKP/R1BQ1R2 b - -;
r1bq3k/pp2R2p/3B1bp1/2pB1p2/2Pp4/3P2Q1/P1P3PP/6K1 w - - bm Qe5; id "BWTC.165";
6k1/p1p3pp/3p2q1/2pP4/2Pb1P2/3b1BP1/PP2r2P/R1BQ3K b - -;
2b3k1/4rrpp/p2p4/2pP2RQ/1pP1Pp1N/1P3P1P/1q6/6RK w - - bm Qxh7+; id "BWTC.174";
6rk/1Q6/1p3p1p/1Pp1pP1n/2Pp2rq/P2P4/4RRPP/2B3K1 b - -;
rn1qr2Q/pbppk1p1/1p2pb2/4N3/3P4/2N5/PPP3PP/R4RK1 w - - bm Qxg7+; id "BWTC.183";
r4rk1/ppp3pp/2n5/3p4/4n3/1P2PB2/PBPPK1P1/RN1QR2q b - -;
r4rk1/ppRn1p2/6pb/1P2pq1p/3N4/P1QPn1Pb/1B1NPP1P/4R1KB b - - bm Qxf2+; id "BWTC.200";
4r1kb/1b1npp1p/p1qpN1pB/3n4/1p2PQ1P/6PB/PPrN1P2/R4RK1 w - -;
1r1r2k1/p4ppp/1qp5/4Pb2/3b1P2/1PP2N2/P2BQ1PP/2KR3R b - - bm Qxb3; id "BWTC.248";
2kr3r/p2bq1pp/1pp2n2/3B1p2/4pB2/1QP5/P4PPP/1R1R2K1 w - -;
r3kb2/ppp5/7r/3p4/4p2q/5n1P/PPPP1PP1/RNBQ1R1K b q - bm Qxh3+; id "BWTC.256";
rnbq1r1k/pppp1pp1/5N1p/4P2Q/3P4/7R/PPP5/R3KB2 w Q -;
r1bk3r/pp5p/2nN4/3N2qn/2Kbppp1/P7/1PP1B1P1/R1BQ3R b - - bm Qxd5+; id "BWTC.259";
r1bq3r/1pp1b1p1/p7/2kBPPP1/3n2QN/2Nn4/PP5P/R1BK3R w - -;
r1b2r2/pppp1p2/6kp/6NN/4P3/8/PPP1B1PP/R4RK1 w - - bm Rf6+; id "BWTC.297";
r4rk1/ppp1b1pp/8/4p3/6nn/6KP/PPPP1P2/R1B2R2 b - -;
r1b4r/pp1pR2p/2q2p1k/6p1/3BR3/2PB4/P1P2PPP/6K1 w - - bm Rh4+; id "BWTC.317";
6k1/p1p2ppp/2pb4/3br3/6P1/2Q2P1K/PP1Pr2P/R1B4R b - -;
K7/P1k3p1/7p/2n1p3/3nP3/4B1PP/8/3B4 b - - bm Nd7; id "BWTC.394";
3b4/8/4b1pp/3Np3/2N1P3/7P/p1K3P1/k7 w - -;
6k1/p4p2/1p2p1p1/4P3/PP2bP2/2B1b2p/6PP/6RK b - - bm Kh7; id "BWTC.398";
6rk/6pp/2b1B2P/pp2Bp2/4p3/1P2P1P1/P4P2/6K1 w - -;
5r1N/ppp1k1pp/8/3Pp3/1PBnn2P/2N1K2b/PP1P3P/R1B4R b - - bm Rf3+; id "BWTC.403";
r1b4r/pp1p3p/2n1k2B/1pbNN2p/3pP3/8/PPP1K1PP/5R1n w - -;
7k/1R3p1p/P2Pp3/4n3/8/8/r5BP/2r2N1K b - - bm Nf3; id "BWTC.405";
2R2n1k/R5bp/8/8/4N3/p2pP3/1r3P1P/7K w - -;
r3k3/ppp2N2/3p1n2/2b1p3/2BnP1b1/2NP2p1/PPPQ1PPr/R4RK1 b q - bm Nf3+; id "BWTC.406";
r4rk1/pppq1ppR/2np2P1/2bNp1B1/2B1P3/3P1N2/PPP2n2/R3K3 w Q -;
r1b4k/ppp1Q1Rp/1n1q1np1/8/2BP4/P7/1PP2PPP/R1B3K1 w - - bm Qe8+; id "BWTC.428";
r1b3k1/1pp2ppp/p7/2bp4/8/1N1Q1NP1/PPP1q1rP/R1B4K b - -;
r6k/pp3b1p/q2p1ppQ/3N4/P3P3/6PP/2P3BK/8 w - - bm Nxf6; id "BWTC.435";
8/2p3bk/6pp/p3p3/3n4/Q2P1PPq/PP3B1P/R6K b - -;
1nbq1r1k/3rbp1p/p1p1pp1Q/1p6/P1pPN3/5NP1/1P2PPBP/R4RK1 w - - bm Nfg5; id "BWTC.439";
r4rk1/1p2ppbp/5np1/p1Ppn3/1P6/P1P1PP1q/3RBP1P/1NBQ1R1K b - -;
I asked Dann this same question, and the point is valid.
But everywhere where your eval IS symmetrical (mine is only asymmetrical in the square table for the King) these positions will point out bugs. As long as you know where your eval is asymmetrical, it is easy to filter out those inequalities.
