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Release#158

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tonyd33 wants to merge 8 commits intomainfrom
release
Draft

Release#158
tonyd33 wants to merge 8 commits intomainfrom
release

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@tonyd33 tonyd33 commented Jun 5, 2025 •
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Changelog

  • Strip stats
  • Fragment tablebase (each file has to be under 1MB for Codecrafters submission)

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github-actions bot commented Jun 7, 2025 •
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🥊 Defender vs. Challenger

challenger - defender Summary

  • challenger wins: 13
  • defender wins: 11
  • Draws: 8

First 8 Games

Round White Black Result PlyCount GameDuration url
1 challenger defender 1-0 183 00:12:32 https://lichess.org/4Pcv7y3Y
1 defender challenger 1-0 73 00:04:34 https://lichess.org/wqH1Yhyv
10 challenger defender 1/2-1/2 216 00:16:23 n/a
10 defender challenger 1-0 123 00:08:25 n/a
11 challenger defender 1/2-1/2 196 00:12:53 n/a
11 defender challenger 0-1 100 00:06:28 n/a
12 challenger defender 1-0 97 00:06:05 n/a
12 defender challenger 1/2-1/2 145 00:10:34 n/a
13 challenger defender 1-0 137 00:09:08 n/a
13 defender challenger 0-1 144 00:10:09 n/a
14 challenger defender 1-0 151 00:10:08 n/a
14 defender challenger 1/2-1/2 216 00:16:23 n/a
15 challenger defender 1-0 125 00:08:23 n/a
15 defender challenger 1-0 97 00:06:00 n/a
16 challenger defender 1/2-1/2 216 00:16:23 n/a
16 defender challenger 0-1 120 00:08:07 n/a
2 challenger defender 1-0 136 00:09:45 https://lichess.org/H9h7QZCg
2 defender challenger 0-1 190 00:12:15 https://lichess.org/9yHA8iHt
3 challenger defender 0-1 146 00:10:19 https://lichess.org/NRDKUVCu
3 defender challenger 1-0 167 00:11:14 https://lichess.org/ZknYTqDy
4 challenger defender 0-1 166 00:11:44 n/a
4 defender challenger 1-0 131 00:08:37 https://lichess.org/xvTzdvvf
5 challenger defender 1-0 107 00:06:43 https://lichess.org/ZTEPXjdD
5 defender challenger 1/2-1/2 169 00:12:22 n/a
6 challenger defender 0-1 142 00:09:47 n/a
6 defender challenger 1-0 151 00:09:18 n/a
7 challenger defender 0-1 118 00:08:02 n/a
7 defender challenger 0-1 130 00:08:27 n/a
8 challenger defender 1-0 139 00:09:08 n/a
8 defender challenger 1/2-1/2 125 00:07:13 n/a
9 challenger defender 0-1 152 00:10:05 n/a
9 defender challenger 1/2-1/2 166 00:12:17 n/a

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🧪 Position Test Results

  • ✅ 374 passed
  • ❌ 155 failed
  • 💡 529 total
  • 🧮 70.70% success

📝 Advantage Report

A suite of tests to test gaining an advantage.

📍 Summary

  • ✅ 4 passed
  • ❌ 0 failed
  • 💡 4 total
  • 🧮 100.00% success

📝 Bratko-Kopec Report

See the Bratko-Kopec test wiki.

📍 Summary

  • ✅ 14 passed
  • ❌ 10 failed
  • 💡 24 total
  • 🧮 58.33% success

🔎 Failure details
id input expected got
BK.02 3r1k2/4npp1/1ppr3p/p6P/P2PPPP1/1NR5/5K2/2R5 w - - 0 1 d4d5 f2g3
BK.03 2q1rr1k/3bbnnp/p2p1pp1/2pPp3/PpP1P1P1/1P2BNNP/2BQ1PRK/7R b - - 0 1 f6f5 h8g8
BK.06 2r3k1/pppR1pp1/4p3/4P1P1/5P2/1P4K1/P1P5/8 w - - 0 1 g5g6 a2a4
BK.09 2kr1bnr/pbpq4/2n1pp2/3p3p/3P1P1B/2N2N1Q/PPP3PP/2KR1B1R w - - 0 1 f4f5 c1b1
BK.10 3rr1k1/pp3pp1/1qn2np1/8/3p4/PP1R1P2/2P1NQPP/R1B3K1 b - - 0 1 c6e5 b6c5
BK.11 2r1nrk1/p2q1ppp/bp1p4/n1pPp3/P1P1P3/2PBB1N1/4QPPP/R4RK1 w - - 0 1 f2f4 f2f3
BK.17 r2q1rk1/1ppnbppp/p2p1nb1/3Pp3/2P1P1P1/2N2N1P/PPB1QP2/R1B2RK1 b - - 0 1 h7h5 b7b6
BK.20 r4k2/pb2bp1r/1p1qp2p/3pNp2/3P1P2/2N3P1/PPP1Q2P/2KRR3 w - - 0 1 g3g4 c1b1
BK.22 2r2rk1/1bqnbpp1/1p1ppn1p/pP6/N1P1P3/P2B1N1P/1B2QPP1/R2R2K1 b - - 0 1 b7e4 g7g6
BK.23 r1bqk2r/pp2bppp/2p5/3pP3/P2Q1P2/2N1B3/1PP3PP/R4RK1 b kq - 0 1 f7f6 c8f5

📝 Colditz Report

See forum post.

📍 Summary

  • ✅ 23 passed
  • ❌ 7 failed
  • 💡 30 total
  • 🧮 76.67% success

🔎 Failure details
id input expected got
Colditz.11 r5k1/ppq2p1p/2p5/6r1/1P2pN2/P3PbP1/2Q2P2/R3R1K1 b - - 0 1 c7f4 c7e5
Colditz.12 3r2k1/5p2/6p1/4b3/1P2P3/1R2P2p/P1K1N3/8 b - - 0 1 d8d1 d8a8
Colditz.17 6k1/4pp1p/3p2p1/2pP3q/1rNrPn2/1P6/P1QR1PPP/4R1K1 b - - 0 1 b4c4 h5g5
Colditz.20 r1b2rk1/2n1qppp/p1p1p3/1p2P3/4N3/3BP3/PP2QPPP/R4RK1 w - - 0 1 e4f6 a1c1
Colditz.22 2q3k1/pbR1bppp/4r3/1Q2p3/8/4P1P1/P4PPK/1BBR4 b - - 0 1 e6h6 c8c7
Colditz.27 4k3/1pp2b1p/2p2P2/r3P1R1/pr6/2N5/1PP4P/2KR4 w - - 0 1 e5e6 d1e1
Colditz.29 q3rn1k/2QR4/pp2pp2/8/P1P5/1P4N1/6n1/6K1 w - - 0 1 g3f5 d7d2

📝 Hanging Report

A suite of tests for hanging pieces. We should always pass these.

📍 Summary

  • ✅ 3 passed
  • ❌ 0 failed
  • 💡 3 total
  • 🧮 100.00% success

📝 Mate Report

A suite of tests to test mating. Failing to pass these may indicate something seriously wrong with our engine: maybe we aren't searching deep enough.

📍 Summary

  • ✅ 4 passed
  • ❌ 0 failed
  • 💡 4 total
  • 🧮 100.00% success

📝 Silent but Deadly Report

Test suite to help tune chess engines. See Silent but Deadly wiki

📍 Summary

  • ✅ 104 passed
  • ❌ 30 failed
  • 💡 134 total
  • 🧮 77.61% success

🔎 Failure details
id input expected got
SBD.002 1r2r1k1/3bnppp/p2q4/2RPp3/4P3/6P1/2Q1NPBP/2R3K1 w - - 0 1 c5c7 c2d2
SBD.004 2b5/1p4k1/p2R2P1/4Np2/1P3Pp1/1r6/5K2/8 w - - 0 1 d6d8 e5d3
SBD.009 2r2k2/r4p2/2b1p1p1/1p1p2Pp/3R1P1P/P1P5/1PB5/2K1R3 w - - 0 1 c1d2 c2d3
SBD.010 2r3k1/5pp1/1p2p1np/p1q5/P1P4P/1P1Q1NP1/5PK1/R7 w - - 0 1 a1d1 a1e1
SBD.012 3b4/3k1pp1/p1pP2q1/1p2B2p/1P2P1P1/P2Q3P/4K3/8 w - - 0 1 d3f3 e2f3
SBD.013 3n1r1k/2p1p1bp/Rn4p1/6N1/3P3P/2N1B3/2r2PP1/5RK1 w - - 0 1 c3a4/c3e4 g5e4
SBD.015 3r1rk1/p1q4p/1pP1ppp1/2n1b1B1/2P5/6P1/P1Q2PBP/1R3RK1 w - - 0 1 g5h6 g5e3
SBD.016 3r2k1/2q2p1p/5bp1/p1pP4/PpQ5/1P3NP1/5PKP/3R4 b - - 0 1 c7d6 f6c3
SBD.024 4r1k1/1q1n1ppp/3pp3/rp6/p2PP3/N5P1/PPQ2P1P/3RR1K1 w - - 0 1 d1c1 c2d2
SBD.029 6k1/pp1q1pp1/2nBp1bp/P2pP3/3P4/8/1P2BPPP/2Q3K1 w - - 0 1 c1c5 c1c3
SBD.030 6k1/pp2rp1p/2p2bp1/1n1n4/1PN3P1/P2rP2P/R3NPK1/2B2R2 w - - 0 1 a2d2 c1d2
SBD.038 r1b1qrk1/pp4b1/2pRn1pp/5p2/2n2B2/2N2NPP/PPQ1PPB1/5RK1 w - - 0 1 d6d3 d6d1
SBD.039 r1b2rk1/1pqn1pp1/p2bpn1p/8/3P4/2NB1N2/PPQB1PPP/3R1RK1 w - - 0 1 d1c1 d2e3
SBD.040 r1b2rk1/2qnbp1p/p1npp1p1/1p4PQ/4PP2/1NNBB3/PPP4P/R4RK1 w - - 0 1 h5h6 h5f3
SBD.050 r1bq1rk1/pp1pppbp/2n2np1/8/4P3/1NN5/PPP1BPPP/R1BQK2R w KQ - 0 1 e1g1 c1g5
SBD.051 r1bq1rk1/pp2ppbp/2n2np1/2p3B1/4P3/2P2N2/PP1NBPPP/R2QK2R w KQ - 0 1 e1g1 d1c2
SBD.053 r1bq1rk1/pp3ppp/2n1pn2/2p5/1bBP4/2N1PN2/PP3PPP/R1BQ1RK1 w - - 0 1 a2a3 c4d3
SBD.061 r1bqk2r/p2pppbp/2p3pn/2p5/4P3/2P2N2/PP1P1PPP/RNBQR1K1 b kq - 0 1 e8g8 f7f6
SBD.071 r1bqkb1r/pp3ppp/2npp3/3nP3/2BP4/5N2/PP3PPP/RNBQK2R w KQkq - 0 1 e1g1 c4d5
SBD.072 r1bqkbnr/3p1ppp/p1p1p3/8/4P3/3B4/PPP2PPP/RNBQK2R w KQkq - 0 1 e1g1 c2c4
SBD.078 r1r3k1/1bq2pbp/pp1pp1p1/2n5/P3PP2/R2B4/1PPBQ1PP/3N1R1K w - - 0 1 d2c3 d1c3
SBD.079 r1rn2k1/pp1qppbp/6p1/3pP3/3P4/1P3N1P/PB1Q1PP1/R3R1K1 w - - 0 1 a1c1 b2a3
SBD.080 r2q1rk1/1b1nbpp1/pp2pn1p/8/2BN3B/2N1P3/PP2QPPP/2R2RK1 w - - 0 1 f1d1 h4g3
SBD.083 r2q1rk1/pb2bppp/npp1pn2/3pN3/2PP4/1PB3P1/P2NPPBP/R2Q1RK1 w - - 0 1 e2e4 e2e3
SBD.093 r2qkb1r/pp3ppp/2bppn2/8/2PQP3/2N2N2/PP3PPP/R1B1K2R w KQkq - 0 1 e1g1 c1g5
SBD.094 r2qr1k1/p3bppp/1p2n3/3Q1N2/5P2/4B1P1/PP3R1P/R5K1 w - - 0 1 a1d1 f5e7
SBD.096 r2r2k1/pp1b1ppp/8/3p2P1/3N4/P3P3/1P3P1P/3RK2R b K - 0 1 a8c8 a7a5
SBD.117 rn1q1rk1/pb3p2/1p5p/3n2P1/3p4/P4P2/1P1Q1BP1/R3KBNR b KQ - 0 1 f8e8 d8g5
SBD.128 rnbq1rk1/pp2ppbp/2pp1np1/8/P2PP3/2N2N2/1PP1BPPP/R1BQK2R w KQ - 0 1 e1g1 h2h3
SBD.130 rnbqk1nr/pp3pbp/2ppp1p1/8/2BPP3/2N2Q2/PPP2PPP/R1B1K1NR w KQkq - 0 1 g1e2 c1e3

📝 Win at Chess Report

From Fred Reinfeld's Win at Chess.

📍 Summary

  • ✅ 211 passed
  • ❌ 89 failed
  • 💡 300 total
  • 🧮 70.33% success

🔎 Failure details
id input expected got
WAC.002 8/7p/5k2/5p2/p1p2P2/Pr1pPK2/1P1R3P/8 b - - 0 1 b3b2 b3b5
WAC.014 r2rb1k1/pp1q1p1p/2n1p1p1/2bp4/5P2/PP1BPR1Q/1BPN2PP/R5K1 w - - 0 1 h3h7 b2f6
WAC.021 5rk1/1b3p1p/pp3p2/3n1N2/1P6/P1qB1PP1/3Q3P/4R1K1 w - - 0 1 d2h6 d2c3
WAC.033 8/p1q2pkp/2Pr2p1/8/P3Q3/6P1/5P1P/2R3K1 w - - 0 1 e4e5/e4f4 g1g2
WAC.046 r1bqr1k1/pp1nb1p1/4p2p/3p1p2/3P4/P1N1PNP1/1PQ2PP1/3RKB1R w K - 0 1 c3b5 f1d3
WAC.049 2b3k1/4rrpp/p2p4/2pP2RQ/1pP1Pp1N/1P3P1P/1q6/6RK w - - 0 1 h5h7 h5h6
WAC.055 r3r1k1/pp1q1pp1/4b1p1/3p2B1/3Q1R2/8/PPP3PP/4R1K1 w - - 0 1 d4g7 f4f2
WAC.058 8/8/2R5/1p2qp1k/1P2r3/2PQ2P1/5K2/8 w - - 0 1 d3d1 c6c5
WAC.071 2kr3r/pp1q1ppp/5n2/1Nb5/2Pp1B2/7Q/P4PPP/1R3RK1 w - - 0 1 b5a7 h3d3
WAC.080 r4rk1/p1B1bpp1/1p2pn1p/8/2PP4/3B1P2/qP2QP1P/3R1RK1 w - - 0 1 d1a1 d4d5
WAC.087 8/p3k1p1/4r3/2ppNpp1/PP1P4/2P3KP/5P2/8 b - - 0 1 e6e5 c5b4
WAC.091 2qr2k1/4b1p1/2p2p1p/1pP1p3/p2nP3/PbQNB1PP/1P3PK1/4RB2 b - - 0 1 b3e6 d4c2
WAC.092 r4rk1/1p2ppbp/p2pbnp1/q7/3BPPP1/2N2B2/PPP4P/R2Q1RK1 b - - 0 1 e6g4 e6c4
WAC.100 8/k1b5/P4p2/1Pp2p1p/K1P2P1P/8/3B4/8 w - - 0 1 d2e3/b5b6 a4b3
WAC.105 r2r2k1/pb3ppp/1p1bp3/7q/3n2nP/PP1B2P1/1B1N1P2/RQ2NRK1 b - - 0 1 d6g3/h5h4 d4b3
WAC.106 4rrk1/pppb4/7p/3P2pq/3Qn3/P5P1/1PP4P/R3RNNK b - - 0 1 e4f2 f8f1
WAC.116 r2r2k1/2p2ppp/p7/1p2P1n1/P6q/5P2/1PB1QP1P/R5RK b - - 0 1 d8d2 h4f4
WAC.118 r5k1/pb2rpp1/1p6/2p4q/5R2/2PB2Q1/P1P3PP/5R1K w - - 0 1 f4h4 f4f5
WAC.120 r4rk1/1bn2qnp/3p1B1Q/p2P1pP1/1pp5/5N1P/PPB2P2/2KR3R w - - 0 1 h1g1/g5g6 f6g7
WAC.130 6k1/1pp3q1/5r2/1PPp4/3P1pP1/3Qn2P/3B4/4R1K1 b - - 0 1 g7h6/g7h8 f6h6
WAC.131 2rq1bk1/p4p1p/1p4p1/3b4/3B1Q2/8/P4PpP/3RR1K1 w - - 0 1 e1e8 d4f6
WAC.139 rnb3kr/ppp2ppp/1b6/3q4/3pN3/Q4N2/PPP2KPP/R1B1R3 w - - 0 1 e4f6 a3e7
WAC.141 4r1k1/p1qr1p2/2pb1Bp1/1p5p/3P1n1R/1B3P2/PP3PK1/2Q4R w - - 0 1 c1f4 g2f1
WAC.145 r1bq4/1p4kp/3p1n2/p4pB1/2pQ4/8/1P4PP/4RRK1 w - - 0 1 e1e8 d4c4
WAC.152 1br2rk1/1pqb1ppp/p3pn2/8/1P6/P1N1PN1P/1B3PP1/1QRR2K1 w - - 0 1 c3e4 c3d5
WAC.155 5bk1/1rQ4p/5pp1/2pP4/3n1PP1/7P/1q3BB1/4R1K1 w - - 0 1 d5d6 c7c8
WAC.157 5rk1/p4ppp/2p1b3/3Nq3/4P1n1/1p1B2QP/1PPr2P1/1K2R2R w - - 0 1 d5e7 e1e3
WAC.163 5rk1/2p4p/2p4r/3P4/4p1b1/1Q2NqPp/PP3P1K/R4R2 b - - 0 1 f3g2 c6d5
WAC.167 7Q/ppp2q2/3p2k1/P2Ppr1N/1PP5/7R/5rP1/6K1 b - - 0 1 f2g2 f2f1
WAC.169 5rk1/1pp3bp/3p2p1/2PPp3/1P2P3/2Q1B3/4q1PP/R5K1 b - - 0 1 g7h6 h7h6
WAC.171 2rq4/1b2b1kp/p3p1p1/1p1nNp2/7P/1B2B1Q1/PP3PP1/3R2K1 w - - 0 1 e3h6 h4h5
WAC.176 r1bq3r/ppp2pk1/3p1pp1/8/2BbPQ2/2NP2P1/PPP4P/R4R1K b - - 0 1 h8h2 c7c6
WAC.178 3r2k1/p1rn1p1p/1p2pp2/6q1/3PQNP1/5P2/P1P4R/R5K1 w - - 0 1 f4e6 e4h7
WAC.179 r1b2r1k/pp4pp/3p4/3B4/8/1QN3Pn/PP3q1P/R3R2K b - - 0 1 f2g1 c8g4
WAC.180 r1q2rk1/p3bppb/3p1n1p/2nPp3/1p2P1P1/6NP/PP2QPB1/R1BNK2R b KQ - 0 1 f6d5 a7a5
WAC.182 r1b2rk1/ppqn1p1p/2n1p1p1/2b3N1/2N5/PP1BP3/1B3PPP/R2QK2R w KQ - 0 1 d1h5 e1g1
WAC.185 1r1rb1k1/2p3pp/p2q1p2/3PpP1Q/Pp1bP2N/1B5R/1P4PP/2B4K w - - 0 1 h5h7 h5e2
WAC.190 8/p2b2kp/1q1p2p1/1P1Pp3/4P3/3B2P1/P2Q3P/2Nn3K b - - 0 1 d7h3 d1f2
WAC.193 5bk1/p4ppp/Qp6/4B3/1P6/Pq2P1P1/2rr1P1P/R4RK1 b - - 0 1 b3e3 b3d5
WAC.194 5rk1/ppq2ppp/2p5/4bN2/4P3/6Q1/PPP2PPP/3R2K1 w - - 0 1 f5h6 g3a3
WAC.196 rr4k1/p1pq2pp/Q1n1pn2/2bpp3/4P3/2PP1NN1/PP3PPP/R1B1K2R b KQ - 0 1 c6b4 b8b6
WAC.200 2rqrn1k/pb4pp/1p2pp2/n2P4/2P3N1/P2B2Q1/1B3PPP/2R1R1K1 w - - 0 1 b2f6 g3f3
WAC.207 r1bq2kr/p1pp1ppp/1pn1p3/4P3/2Pb2Q1/BR6/P4PPP/3K1BNR w - - 0 1 g4g7 f2f4
WAC.210 3r1rk1/pp1q1ppp/3pn3/2pN4/5PP1/P5PQ/1PP1B3/1K1R4 w - - 0 1 d1h1 e2b5
WAC.211 r1bqrk2/pp1n1n1p/3p1p2/P1pP1P1Q/2PpP1NP/6R1/2PB4/4RBK1 w - - 0 1 h5f7 h5h7
WAC.212 rn1qr2Q/pbppk1p1/1p2pb2/4N3/3P4/2N5/PPP3PP/R4RK1 w - - 0 1 h8g7 h8h5
WAC.213 3r1r1k/1b4pp/ppn1p3/4Pp1R/Pn5P/3P4/4QP2/1qB1NKR1 w - - 0 1 h5h7 e2b2
WAC.214 r2r2k1/1p2qpp1/1np1p1p1/p3N3/2PPN3/bP5R/4QPPP/4R1K1 w - - 0 1 e4g5 h3f3
WAC.217 r3kb1r/1pp3p1/p3bp1p/5q2/3QN3/1P6/PBP3P1/3RR1K1 w kq - 0 1 d4d7 e4g3
WAC.220 3rr1k1/ppp2ppp/8/5Q2/4n3/1B5R/PPP1qPP1/5RK1 b - - 0 1 e2f1 e4g5
WAC.222 2r1r2k/1q3ppp/p2Rp3/2p1P3/6QB/p3P3/bP3PPP/3R2K1 w - - 0 1 h4f6 b2a3
WAC.223 r1bqk2r/pp3ppp/5n2/8/1b1npB2/2N5/PP1Q2PP/1K2RBNR w kq - 0 1 c3e4 e1d1
WAC.226 2b2rk1/p1p4p/2p1p1p1/br2N1Q1/1p2q3/8/PB3PPP/3R1RK1 w - - 0 1 e5f7 f1e1
WAC.227 2k1rb1r/ppp3pp/2np1q2/5b2/2B2P2/2P1BQ2/PP1N1P1P/2KR3R b - - 0 1 d6d5 c8b8
WAC.229 8/8/8/1p5r/p1p1k1pN/P2pBpP1/1P1K1P2/8 b - - 0 1 h5h4/b5b4 h5e5
WAC.230 2b5/1r6/2kBp1p1/p2pP1P1/2pP4/1pP3K1/1R3P2/8 b - - 0 1 b7b4 b7h7
WAC.237 r5k1/pQp2qpp/8/4pbN1/3P4/6P1/PPr4P/1K1R3R b - - 0 1 c2c1 c2c5
WAC.238 1k1r4/pp1r1pp1/4n1p1/2R5/2Pp1qP1/3P2QP/P4PB1/1R4K1 w - - 0 1 g2b7 c5b5
WAC.241 2rq1rk1/pp3ppp/2n2b2/4NR2/3P4/PB5Q/1P4PP/3R2K1 w - - 0 1 h3h7 f5f6
WAC.242 r1b1r1k1/pp1nqp2/2p1p1pp/8/4N3/P1Q1P3/1P3PPP/1BRR2K1 w - - 0 1 d1d7 b1a2
WAC.244 r6r/pp3ppp/3k1b2/2pb4/B4Pq1/2P1Q3/P5PP/1RBR2K1 w - - 0 1 e3c5 e3d2
WAC.245 4rrn1/ppq3bk/3pPnpp/2p5/2PB4/2NQ1RPB/PP5P/5R1K w - - 0 1 d3g6 c3b5
WAC.247 2k1r3/1p2Bq2/p2Qp3/Pb1p1p1P/2pP1P2/2P5/2P2KP1/1R6 w - - 0 1 b1b5 d6c5
WAC.249 r4rk1/pbq2pp1/1ppbpn1p/8/2PP4/1P1Q1N2/PBB2PPP/R3R1K1 w - - 0 1 c4c5/d4d5 f3e5
WAC.250 1b5k/7P/p1p2np1/2P2p2/PP3P2/4RQ1R/q2r3P/6K1 w - - 0 1 e3e8 e3e1
WAC.252 1rb1r1k1/p1p2ppp/5n2/2pP4/5P2/2QB4/qNP3PP/2KRB2R b - - 0 1 c8g4/e8e2 f6d5
WAC.256 3r1rk1/1pb1qp1p/2p3p1/p7/P2Np2R/1P5P/1BP2PP1/3Q1BK1 w - - 0 1 d4f5 d1g4
WAC.258 r3brkn/1p5p/2p2Ppq/2Pp3B/3Pp2Q/4P1R1/6PP/5R1K w - - 0 1 h5g6 h1g1
WAC.260 2r2b1r/p1Nk2pp/3p1p2/N2Qn3/4P3/q6P/P4PP1/1R3K1R w - - 0 1 d5e6 c7e6
WAC.261 r5k1/1bp3pp/p2p4/1p6/5p2/1PBP1nqP/1PP3Q1/R4R1K b - - 0 1 f3d4 g3g2
WAC.263 rnbqr2k/pppp1Qpp/8/b2NN3/2B1n3/8/PPPP1PPP/R1B1K2R w KQ - 0 1 f7g8 f7h5
WAC.265 2r1k2r/2pn1pp1/1p3n1p/p3PP2/4q2B/P1P5/2Q1N1PP/R4RK1 w k - 0 1 e5f6 c2e4
WAC.266 r3q2r/2p1k1p1/p5p1/1p2Nb2/1P2nB2/P7/2PNQbPP/R2R3K b - - 0 1 h8h2 f2g3
WAC.273 2k4B/bpp1qp2/p1b5/7p/1PN1n1p1/2Pr4/P5PP/R3QR1K b - - 0 1 e4g3/g4g3 c6b5
WAC.277 1r4r1/p2kb2p/bq2p3/3p1p2/5P2/2BB3Q/PP4PP/3RKR2 b - - 0 1 g8g3/g8g2 a6d3
WAC.278 r2qkb1r/pppb2pp/2np1n2/5pN1/2BQP3/2N5/PPP2PPP/R1B1K2R w KQkq - 0 1 c4f7 d4e3
WAC.281 2R5/2R4p/5p1k/6n1/8/1P2QPPq/r7/6K1 w - - 0 1 c7h7 c7c2
WAC.282 6k1/2p3p1/1p1p1nN1/1B1P4/4PK2/8/2r3b1/7R w - - 0 1 h1h8 h1e1
WAC.283 3q1rk1/4bp1p/1n2P2Q/3p1p2/6r1/Pp2R2N/1B4PP/7K w - - 0 1 h3g5 h3f4
WAC.284 3r3k/pp4pp/8/1P6/3N4/Pn2P1qb/1B1Q2B1/2R3K1 w - - 0 1 d4f5 d2f2
WAC.285 2rr3k/1b2bppP/p2p1n2/R7/3P4/1qB2P2/1P4Q1/1K5R w - - 0 1 g2g7 h1g1
WAC.288 r1b2rk1/p4ppp/1p1Qp3/4P2N/1P6/8/P3qPPP/3R1RK1 w - - 0 1 h5f6 h5f4
WAC.290 2k2r2/2p5/1pq5/p1p1n3/P1P2n1B/1R4Pp/2QR4/6K1 b - - 0 1 f4e2 f4e6
WAC.291 5r1k/3b2p1/p6p/1pRpR3/1P1P2q1/P4pP1/5QnP/1B4K1 w - - 0 1 h2h3 g1h1
WAC.293 1nbq1r1k/3rbp1p/p1p1pp1Q/1p6/P1pPN3/5NP1/1P2PPBP/R4RK1 w - - 0 1 f3g5 e2e3
WAC.296 3r4/1p2k2p/p1b1p1p1/4Q1Pn/2B3KP/4pP2/PP2R1N1/6q1 b - - 0 1 d8d4/d8f8 d8d6
WAC.297 3r1rk1/p3qp1p/2bb2p1/2p5/3P4/1P6/PBQN1PPP/2R2RK1 b - - 0 1 c6g2/d6h2 f8e8
WAC.298 3Q4/p3b1k1/2p2rPp/2q5/4B3/P2P4/7P/6RK w - - 0 1 d8h8 d8c7
WAC.299 1n2rr2/1pk3pp/pNn2p2/2N1p3/8/6P1/PP2PPKP/2RR4 w - - 0 1 c5a4 b6d5

📝 Zugzwang Report

Zugzwang test suite from 2004

📍 Summary

  • ✅ 11 passed
  • ❌ 19 failed
  • 💡 30 total
  • 🧮 36.67% success

🔎 Failure details
id input expected got
ZPTS.06 8/8/1p1K4/Pp6/2k1p3/8/1P6/8 w - - 0 1 a5a6 a5b6
ZPTS.10 4KBkr/7p/6PP/4P3/8/3P1p2/8/8 w - - 0 1 g6g7 f8c5
ZPTS.11 8/p7/1p6/p7/kq1Q4/8/K7/8 w - - 0 1 d4d3 d4d7
ZPTS.12 8/8/p3R3/1p5p/1P5p/6rp/5K1p/7k w - - 0 1 e6e1 e6a6
ZPTS.14 6k1/3p4/P2P4/8/5Kp1/1p4Q1/p5p1/b7 w - - 0 1 g3g2 f4g4
ZPTS.15 1r4RK/2n5/7k/8/8/8/8/8 b - - 0 1 c7e8 b8b5
ZPTS.16 k2N2K1/8/8/8/5R2/3n4/3p4/8 w - - 0 1 f4f7 f4a4
ZPTS.17 8/8/1p1r1k2/p1pPN1p1/P3KnP1/1P6/8/3R4 b - - 0 1 f4d5 d6d8
ZPTS.18 8/6B1/p5p1/Pp4kp/1P5r/5P1Q/4q1PK/8 w - - 0 1 h3h4 g7f6
ZPTS.19 n1QBq1k1/5p1p/5KP1/p7/8/8/8/8 w - - 0 1 d8c7 g6h7
ZPTS.20 3nQ1k1/p2P2p1/1p6/8/5q1P/8/PP6/1K6 b - - 0 1 g8h7 f4f8
ZPTS.21 8/8/8/1B6/6p1/8/4KPpp/3N2kr w - - 0 1 e2d3/e2e3 d1c3
ZPTS.23 6Q1/8/8/7k/8/8/3p1pp1/3Kbrrb w - - 0 1 g8g7 g8g3
ZPTS.24 8/8/8/2p5/1pp5/brpp4/1pprp2P/qnkbK3 w - - 0 1 h2h3 h2h4
ZPTS.25 8/1B6/8/5p2/8/8/5Qrq/1K1R2bk w - - 0 1 f2a7 f2f5
ZPTS.26 8/3p1p2/5Ppp/K2R2bk/4pPrr/6Pp/4B2P/3N4 w - - 0 1 d1c3 d1e3
ZPTS.27 8/8/p5p1/p2N3p/k2P3P/5P2/KP1qB3/8 w - - 0 1 f3f4 d5c3
ZPTS.28 8/p5pq/8/p2N3p/k2P3P/8/KP3PB1/8 w - - 0 1 g2e4 g2f1
ZPTS.30 5R2/2K5/1pP5/4k2p/3pp3/2p4N/B4N1b/n1R1B2b w - - 0 1 c1c3 f2h1

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github-actions bot commented Jun 7, 2025 •
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🥊 Us vs. Stockfish Level 4

gnomes - stockfish Summary

  • gnomes wins: 0
  • stockfish wins: 6
  • Draws: 0

First 8 Games

Round White Black Result PlyCount GameDuration url
1 gnomes stockfish 0-1 120 00:19:52 https://lichess.org/MRCpkKWR
2 stockfish gnomes 1-0 65 00:15:19 https://lichess.org/BqcXr6u2
3 gnomes stockfish 0-1 194 00:23:23 https://lichess.org/86YbmPDr
4 stockfish gnomes 1-0 57 00:12:26 https://lichess.org/hf6jrwp6
5 gnomes stockfish 0-1 106 00:19:33 https://lichess.org/3J3ZHJmB
6 stockfish gnomes 1-0 81 00:15:41 https://lichess.org/LwefSXbf

@tonyd33 tonyd33 force-pushed the release branch 4 times, most recently from 1fb90ae to ad80ad9 Compare June 8, 2025 04:21
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@tonyd33 @PastMoments