fen string | turn string | best_move_uci string | best_move_san string | score_cp int64 | score_mate int64 | depth null | time_s float64 | num_legal_moves int64 |
|---|---|---|---|---|---|---|---|---|
3qkb1r/rpp1pp2/2np2pn/p2P3N/1P1Q4/P2P1PP1/2P4P/RNB1KB1R w Q - 0 14 | w | d4h8 | Qxh8 | 782 | null | null | 1 | 47 |
1n4br/p1prb3/k3p2p/3p3p/pqPPpP2/4K1PN/6BP/R4R2 b - - 3 33 | b | b4c3 | Qc3+ | null | 6 | null | 1 | 36 |
8/2rknpb1/2r1b3/np1p3p/2p1pP2/P1PP1P1P/2K1QNB1/RN3R2 w - - 1 31 | w | f3e4 | fxe4 | 242 | null | null | 1 | 28 |
4k3/1b6/1pn2q1n/p5Nr/2P1P1P1/P7/1P1B2NP/1R3BKR w - - 3 41 | w | g4h5 | gxh5 | -143 | null | null | 1 | 30 |
4k3/5nr1/1p1p1r2/p2Qpp2/1P4P1/2P1P1K1/P7/R1B3NR w - - 1 37 | w | d5a8 | Qa8+ | 614 | null | null | 1 | 46 |
1n5r/rp2kpb1/4Bn1p/pNp1P3/3RP2P/2P2P2/7B/2KR4 w - - 2 39 | w | e5f6 | exf6+ | 526 | null | null | 1 | 40 |
r2qkb1r/2pnp1pp/3p3n/1p2N1P1/1p2Bp1P/3P4/P1P1PP2/RNBQK1R1 b Qkq - 1 12 | b | d7e5 | Nxe5 | -398 | null | null | 1 | 28 |
2r1kb2/5pr1/ppN2Q2/3q4/4pPpN/2K1R1n1/p1PP2BP/R1B5 b - - 1 30 | b | c8c6 | Rxc6+ | 300 | null | null | 1 | 39 |
1nb5/4kpp1/2P2br1/4N2p/1pP1PB1P/Q7/4R1P1/K4BR1 b - - 1 39 | b | b4a3 | bxa3 | -478 | null | null | 1 | 24 |
2bq2r1/r2k3B/1pp4b/p2p2P1/2Pn4/PP5P/7R/RNBQK3 b Q - 1 26 | b | d8e7 | Qe7+ | 408 | null | null | 1 | 37 |
4kb1r/Bbpp4/1rn2q1p/Pp1p1p2/P4Pp1/3P2PN/1R2P2P/3KNBR1 b - - 4 24 | b | f6b2 | Qxb2 | 970 | null | null | 1 | 42 |
8/1b1pN1rk/5p1n/p1nPpPpr/1P2P3/q7/1RPNB2P/4R2K b - - 1 34 | b | h5h2 | Rxh2+ | 606 | null | null | 1 | 39 |
1rb2b1B/p1pkp2p/3q3n/3p1ppP/2pP1P2/4P3/nP1K2P1/RNQ2BNR w - - 0 17 | w | a1a2 | Rxa2 | 338 | null | null | 1 | 30 |
1r1k1br1/3p2n1/1pqppp2/p3n3/P3P1pR/1PPP2P1/8/RNB2KN1 w - - 3 30 | w | c1e3 | Be3 | -773 | null | null | 1 | 29 |
r5r1/5k2/5pqp/pNn1p3/4P1p1/1P1B3b/Pb1PKPPP/R2N3R b - - 4 32 | b | c5d3 | Nxd3 | 833 | null | null | 1 | 43 |
rnb1kb1r/1pp2p2/4pqp1/pPNp1n1p/2P3P1/P7/R1QPPP1P/2B1KBNR b Kkq - 0 11 | b | f5d4 | Nd4 | 392 | null | null | 1 | 43 |
rn2k3/p1b5/3Pb1r1/1Pp2ppp/1P3q2/N4PPP/P1QP4/2RBK1NR w - - 0 26 | w | g3f4 | gxf4 | 704 | null | null | 1 | 29 |
r1b1nbnq/4k3/Q2pp3/2p2ppN/2B2Pp1/PPP1PR2/R2P2r1/1NB2K2 w - - 0 25 | w | a6a8 | Qxa8 | -491 | null | null | 1 | 33 |
1n4n1/3k4/r4p2/1b4p1/pbpPP2r/1Qq2pp1/1P1NN3/R1B1K2R w Q - 2 25 | w | b3c3 | Qxc3 | -937 | null | null | 1 | 26 |
2r3nr/p1k1bb2/n1pp2pp/1p2Pp2/1PQP1K2/2P3PN/P1N1P1P1/2B1RB1R w - - 3 21 | w | c4f7 | Qxf7 | 812 | null | null | 1 | 31 |
1n4rr/N2k3p/1Pn5/p3pp2/P1B1P2p/b5P1/3PbK2/R1B1R3 b - - 4 37 | b | e2c4 | Bxc4 | 412 | null | null | 1 | 39 |
r1bq1bnr/1pp3k1/p1np1p2/4p1pp/P3P3/N1PP4/1P1Q1PPP/1RBK1BNR b - - 1 10 | b | h5h4 | h4 | 137 | null | null | 1 | 32 |
r1bq3r/1pp1kn1P/p2p3b/4ppp1/P1n1P3/2PQ3N/1P1P1PBP/RNB1K2R w - - 2 16 | w | d3c4 | Qxc4 | 149 | null | null | 1 | 29 |
r1b2b2/4Bk1p/p2pn1rn/1p4P1/1P3pP1/NR1P1P1B/PQ2P3/4K1qR w K - 0 22 | w | h1g1 | Rxg1 | 429 | null | null | 1 | 3 |
2b2q2/p2n1k1r/2p1r2P/3pB1pp/P1pp2N1/RP3B1N/4PP1P/1K2Q2R b - - 0 27 | b | d7e5 | Nxe5 | 62 | null | null | 1 | 40 |
5b1r/1N2k2p/4p3/5pp1/2pP2P1/K1Pq2P1/P2P1P2/1RBN2R1 b - - 3 36 | b | d3b1 | Qxb1 | null | 10 | null | 1 | 23 |
5bNr/rpp2kpp/n2p1p2/pP3b2/1BP2P1P/8/P1q1PKP1/1R1Q1BNR w - - 2 15 | w | b5b6 | b6 | -145 | null | null | 1 | 38 |
b3kb2/3p4/rn4p1/1pp1p3/2BPPn2/p2NBK2/PPP5/1R1QR2r w - - 0 39 | w | c4f7 | Bf7+ | 497 | null | null | 1 | 36 |
1rb4r/1p5p/3k4/2p5/PPPPpB2/2Q4N/5KPR/R4B2 b - - 1 26 | b | d6e7 | Ke7 | -1,108 | null | null | 1 | 4 |
rnbq2nr/p1pkpp2/1p1p3b/6p1/2B1P1Pp/2N4P/PPPP1P1N/1RBQ1RK1 w - - 0 10 | w | c4f7 | Bxf7 | 330 | null | null | 1 | 29 |
r2qkb1r/pbpp4/2n3N1/1p2p3/1PP3np/B5R1/P2PPP1P/RN1QKB2 w Qkq - 1 14 | w | g3g4 | Rxg4 | 338 | null | null | 1 | 33 |
1n2k1nr/3qb3/r4pp1/p1p1PbPp/3Q4/2PP3P/P2B1P2/RN2K1NR w KQk - 1 18 | w | d4d7 | Qxd7+ | -284 | null | null | 1 | 31 |
2r2b2/2n1k2p/2p2P2/p1P1p2p/Pp5P/1P2P3/1B3P2/RN2K1NR b KQ - 0 22 | b | e7f6 | Kxf6 | -778 | null | null | 1 | 6 |
4k1n1/2p2pb1/5p2/p1rp1PPp/R1p4P/1P1bK2N/7Q/1N3B2 b - - 3 27 | b | d3f1 | Bxf1 | -308 | null | null | 1 | 22 |
3rk2r/p3Bpp1/2qppn2/7p/pb1P2nP/N1P2PP1/4K3/RQ3B1R b k - 0 28 | b | c6c3 | Qxc3 | 703 | null | null | 1 | 44 |
2bqkb1r/r2p2pp/2n1pn2/ppp2p2/P3N3/1P4PN/2PPPP1P/R1BQKB1R w Kk - 0 9 | w | a4b5 | axb5 | 92 | null | null | 1 | 25 |
rn4n1/2pp1qkr/8/pPb2Ppp/7P/1RNP4/2PQ2bR/2B1KBN1 w - - 0 22 | w | f1g2 | Bxg2 | 546 | null | null | 1 | 34 |
r1bqkb1r/1ppp2pp/2n1Bn2/p5N1/1PP1p3/B3P3/PQ1P1PPP/RN2K1R1 b Q - 1 12 | b | d7e6 | dxe6 | 510 | null | null | 1 | 30 |
r1bk1bnr/ppqppp2/5p2/2n4p/1QpP1P1P/P3P3/1PP1N1P1/R1B1KBR1 b Q - 2 15 | b | c5e4 | Ne4 | 501 | null | null | 1 | 30 |
1nbq1rk1/1ppppn1p/B6b/p4pp1/3PP3/1Pr2PPP/P1P2K2/RN2Q1NR w - - 2 14 | w | b1c3 | Nxc3 | -356 | null | null | 1 | 30 |
4k1n1/rp4p1/3rPb2/PN2p2p/1P1pP1P1/3B3b/1BK4P/2R2R2 w - - 3 39 | w | b5d6 | Nxd6+ | 741 | null | null | 1 | 33 |
rn1q1bnr/2p1p1pp/bpk2p2/p7/P3pPP1/1P5P/R1PP2B1/1NBQ1KNR w - - 2 12 | w | c2c4 | c4 | 120 | null | null | 1 | 6 |
2bqkb1r/1pppn2p/2n2pp1/4p1P1/pP6/P1P1PN2/3PBP1P/RNBQK2R b KQk - 2 9 | b | e5e4 | e4 | -321 | null | null | 1 | 21 |
3r1r2/p1p1p3/3pn3/1P3kp1/p7/2N1P1P1/1P2BKN1/Q5R1 w - - 2 35 | w | a1b1 | Qb1+ | 841 | null | null | 1 | 38 |
r1b2qnr/p1p1k1p1/1p5p/2bp1pN1/3PpB2/P1P2PP1/1PQ1BK1P/RN5R b - - 2 14 | b | c5d6 | Bd6 | -204 | null | null | 1 | 28 |
rn2k3/3bp1b1/p4nP1/1pPP2N1/6p1/1P1R4/PB1N1qP1/3K1B2 b - - 2 36 | b | f2f5 | Qf5 | 557 | null | null | 1 | 35 |
1n2k1nr/6p1/2rbqp1p/pppNpbP1/PB1P4/1P2KP1N/2P1P2P/RQ3BR1 w k - 0 20 | w | e3f2 | Kf2 | -456 | null | null | 1 | 37 |
5r1r/8/2p1k3/p3Pp1b/Pp1p3q/2NP1P2/6K1/B2R1B2 b - - 3 36 | b | f8g8 | Rfg8# | null | 1 | null | 1 | 38 |
5k1r/p4pbp/q2N2pn/1pPPP3/3pP3/6PP/3R1BBR/1NQKn3 w - - 7 32 | w | d1e1 | Kxe1 | 850 | null | null | 1 | 34 |
4kb2/rb5r/2R1p1qn/pp1N3p/1P2P2N/P2p4/Q1P1B3/R2K4 w - - 0 41 | w | h4g6 | Nxg6 | 573 | null | null | 1 | 40 |
rnbqkbr1/1pp2p2/p2p3p/4p1p1/2B1n3/N2P2P1/PPP1PP1P/1RBQ1KNR w q - 0 9 | w | d3e4 | dxe4 | 346 | null | null | 1 | 29 |
5bn1/4k3/1pP2pr1/4p1pP/2BP2P1/p1N2r2/6K1/Qb2R3 b - - 1 40 | b | b1a2 | Ba2 | -721 | null | null | 1 | 26 |
r3kb2/3q3r/p2pppPB/P1p2n1P/1npP3P/N5R1/QP2P3/R2NKB1b b Q - 6 22 | b | h7h6 | Rxh6 | 529 | null | null | 1 | 47 |
r3k2r/2p1bppp/bp1p4/nP1p2q1/3P4/P3PKPP/1Rp1BP2/1NB3R1 b - - 0 20 | b | c2b1r | cxb1=R | 884 | null | null | 1 | 41 |
1n2qb2/n2rk3/3p1p2/p1p3Bp/Pp4P1/1P1P1b1B/2K1PP1P/R4R2 w - - 9 34 | w | e2f3 | exf3 | -573 | null | null | 1 | 30 |
rnb2bnr/3pk1p1/p1pqB2p/p1P2p2/PP2p1P1/R2P4/4PP1P/1NB2KNR b - - 1 18 | b | d6e6 | Qxe6 | 723 | null | null | 1 | 27 |
r2qkbnB/2p1p3/p2p1ppp/np6/PP2P1P1/1N3P2/2PPQ2P/RN2KB1R b KQq - 2 11 | b | a5b3 | Nxb3 | -664 | null | null | 1 | 22 |
2rk2nr/pb1p1p2/Pp1Qp1p1/6P1/R4P2/2p1P2p/BB1PN3/1Nn2K1R b - - 0 27 | b | b7g2 | Bg2+ | -486 | null | null | 1 | 34 |
rnbqk1r1/pp2Npp1/3pp3/2p4p/3P3N/PP3P2/2P1P1PP/R1BQKB1n b q - 0 11 | b | d8e7 | Qxe7 | 391 | null | null | 1 | 28 |
rnbq1b1r/pp2k1pp/2p2p1n/3pp3/1P6/P3P2N/2PP1PPP/RNBQKBR1 b - - 3 7 | b | e7e8 | Ke8 | 136 | null | null | 1 | 33 |
r1B5/5kr1/pp3b2/5pPp/6P1/1n1Pp1P1/1RP1P1B1/1KBQ2R1 b - - 9 40 | b | f6b2 | Bxb2 | -826 | null | null | 1 | 31 |
rnb1k1nr/ppp1b2p/1Q1pp1p1/4qp2/8/2PP1P2/PP1NP1PP/R1B1KBNR b kq - 5 8 | b | a7b6 | axb6 | 750 | null | null | 1 | 40 |
1r1nNb2/2p1kr2/pp2q2n/5pNp/2PP3P/4P1Pb/1P2KP2/R1B2B2 w - - 2 24 | w | g5e6 | Nxe6 | -615 | null | null | 1 | 32 |
2k1b1n1/7r/2p1pp1b/1pP4p/4P1PN/rP3p1P/PB5Q/4K1NR b - - 5 38 | b | a3a2 | Rxa2 | -294 | null | null | 1 | 34 |
rnbk1bn1/ppN1ppp1/3p1r2/6P1/2PP1P1p/2B5/2P1P1BP/q1RQK1NR b K - 6 16 | b | a1c3 | Qxc3+ | 395 | null | null | 1 | 34 |
5b2/6p1/p1p1P1kr/nr1P4/1p2Np2/BP1K4/1Q2B1q1/8 w - - 0 40 | w | e2h5 | Bh5+ | -317 | null | null | 1 | 31 |
rn2qbn1/p2kp3/b4p2/1Npp3r/1p3K1p/P3P2N/1PPP2B1/R1BQR3 b - - 4 18 | b | h5f5 | Rf5+ | 641 | null | null | 1 | 28 |
1nk4r/prp1q2p/p1b1pp2/b2pPn2/3P1B2/2P1NP2/P1R1BKPP/6NR b - - 6 26 | b | f5e3 | Nxe3 | 740 | null | null | 1 | 40 |
r2qk1nr/2ppP3/n6p/ppN1ppp1/4P2Q/1bPP2P1/1P5P/R1B1KBNR b KQkq - 7 17 | b | g8e7 | Nxe7 | -105 | null | null | 1 | 32 |
rn2k1nr/7p/3p2pb/p1p2P2/N3P3/RP1b2BP/2P1PN2/3QKB1R w K - 0 22 | w | f2d3 | Nxd3 | 843 | null | null | 1 | 31 |
6nr/r2k4/b4b2/2QppPpP/2p2q2/p1PB4/1R1P4/2BK1R2 w - - 0 32 | w | c5a7 | Qxa7+ | 1,078 | null | null | 1 | 42 |
3rkbn1/p1q1ppp1/n1pp2rB/1p3b1p/2PP2P1/P7/1PQNPP1P/R3KBNR b K - 1 12 | b | f5c2 | Bxc2 | 655 | null | null | 1 | 38 |
6kr/2n3Pp/2brpB2/1P1p4/pP1pP3/P5pP/5RB1/3KR2N w - - 5 40 | w | g7h8q | gxh8=Q+ | null | 3 | null | 1 | 35 |
5br1/2np4/1r6/1p1kp1Np/3P2P1/1Np5/P3R3/1RB3K1 b - - 0 38 | b | e5d4 | exd4 | 37 | null | null | 1 | 34 |
5knr/rbN1b2p/pq2p3/2p2pp1/PpP3Nn/1P4PB/3PPP1P/R1BQK2R b - - 0 23 | b | b6c7 | Qxc7 | 512 | null | null | 1 | 30 |
1r2kbr1/p5p1/2bp1q1Q/n3P3/P5P1/p1P1P2P/1P2N3/2BK1N1R b - - 3 33 | b | f6h6 | Qxh6 | 940 | null | null | 1 | 50 |
r2k1bnr/1ppb1qpp/3Ppp2/p4N2/Pn4P1/2P2K1P/1P1P1P2/RNBQ1B1R b - - 2 12 | b | d7c6 | Bc6+ | 541 | null | null | 1 | 36 |
1nb3nr/2rNp3/ppppk3/7p/PP2p2p/3P4/1bPQ4/R1B1KBq1 b Q - 1 25 | b | b2c1 | Bxc1 | 934 | null | null | 1 | 42 |
1rbk3r/2pn1nbp/p7/1pqpp3/P1PPPpPp/1P6/R2BKPB1/1N4R1 w - - 0 26 | w | d4c5 | dxc5 | -556 | null | null | 1 | 37 |
1nbqk1n1/8/1r3ppr/2p1p2p/p2Pp3/2P4P/Rb3PPR/1NB1K1N1 w - - 0 18 | w | c1h6 | Bxh6 | -1,014 | null | null | 1 | 28 |
6r1/1b2bkpp/1p2p2n/P1p2pP1/2p5/p2PPNBB/P4R1P/2K1N2R w - - 2 24 | w | g5h6 | gxh6 | 716 | null | null | 1 | 36 |
rn2kbnr/p5pp/bqpppp2/1p6/4P1QP/1P5N/P1PP1PP1/RNB1KB1R w KQkq - 2 8 | w | g4e6 | Qxe6+ | 249 | null | null | 1 | 38 |
2r3n1/p1pk2qr/1P3b1p/3Pp1pn/1P1P1pbP/P1Q2P1R/3N2B1/R1B1K1N1 w - - 7 26 | w | c3c6 | Qc6+ | 411 | null | null | 1 | 36 |
rnb2b1r/1B2pkp1/1p1p1p2/2pn3p/1P2q1P1/P6N/2PPNP1P/R1BQK1R1 b Q - 1 13 | b | c8b7 | Bxb7 | 485 | null | null | 1 | 52 |
2qk1b1r/rb1npnpp/pppp4/1N3pN1/PP3P2/6P1/R1PPPK1P/2BQ1B1R b - - 0 13 | b | f7g5 | Nxg5 | 284 | null | null | 1 | 24 |
rn3b1r/4ppp1/p1P4p/1p1pk3/bPR1N2q/B7/P2PPPPN/4KBR1 b - - 1 23 | b | h4e4 | Qxe4 | 441 | null | null | 1 | 32 |
1r1q1knr/nb2p3/2p3pb/3p2pp/p1p4P/P2P2P1/1P2PPBR/RN2K1N1 w Q - 4 21 | w | h4g5 | hxg5 | -870 | null | null | 1 | 26 |
1nbq2nr/2rpk1b1/1p3p2/2p1B1pp/p7/PP1PPN2/2PN1PPP/R2QKB1R w KQ - 1 15 | w | e5c7 | Bxc7 | 328 | null | null | 1 | 34 |
rnq2rk1/p5bp/b2ppPpn/7P/2p5/1pN4R/PQ1PNPP1/R1B1KB2 w Q - 2 16 | w | f6g7 | fxg7 | 454 | null | null | 1 | 35 |
rn3b1r/2q2pp1/p1pp2kB/1P1n1b2/2pP3P/P2Q1pPR/2K1PP2/RN3B2 w - - 2 22 | w | h4h5 | h5+ | -538 | null | null | 1 | 27 |
r4r2/p2k4/2p5/1n3NpP/1PpbR3/2B1P2q/P4PB1/R3K3 b - - 3 40 | b | d4c3 | Bxc3+ | 833 | null | null | 1 | 42 |
1n1q1bnr/r2bp1B1/1p6/p2p2k1/2P3p1/PP1ppNP1/5PBR/RN2K3 b - - 5 28 | b | g4f3 | gxf3 | 736 | null | null | 1 | 3 |
r3b1nr/p3k2p/1pn5/4p3/2p5/P1P1PKPB/P4P2/R1BQ2NR w - - 1 21 | w | e3e4 | e4 | 669 | null | null | 1 | 32 |
1rbqk1nr/ppp1p2p/2np4/5p1p/3b1P2/3PP1PN/PPPN3P/R1B1KB1R b k - 5 10 | b | d4e3 | Bxe3 | 758 | null | null | 1 | 29 |
rn1qkNnr/p3ppp1/1pbp4/2p5/1P6/2N5/P1PPPPPP/R1BQKB1R w KQkq - 1 7 | w | f8g6 | Ng6 | 200 | null | null | 1 | 27 |
2r2bn1/pp1kp1pr/2p1b2p/P1np1N1q/1PNPP3/2P3P1/R4P1P/2BQK2R w K - 1 21 | w | c4e5 | Ne5+ | 586 | null | null | 1 | 52 |
r1b1k3/2npppb1/5n2/pr4pp/p1PPP1PP/P4P1R/1B2B3/1R2K1N1 w q - 3 31 | w | c4b5 | cxb5 | 310 | null | null | 1 | 23 |
r2qk1nr/N1ppb1pp/b3pp2/8/1p1n1PP1/1P5N/P1PPP2P/R1BQKB1R b kq - 0 12 | b | a8a7 | Rxa7 | 429 | null | null | 1 | 34 |
1rbq1b1r/pp1p2pp/5pk1/1Np4n/1n1PpPPP/P1P5/RP1QP3/2B1KBNR w K - 0 14 | w | g4h5 | gxh5+ | 533 | null | null | 1 | 27 |
5kr1/2p2p1p/b1pp1q1b/5r1P/p1P2N1R/P3p2p/4P3/3R1K2 b - - 1 37 | b | f6h4 | Qxh4 | null | 2 | null | 1 | 42 |
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Check out the documentation for more information.
chess-dataset
A dataset of chess positions labeled with the engine's best move.
- Size: 10000 examples
- Engine: Stockfish
- Search time per position: 1.0 s
- Fields:
fen(string): Position FENturn(string):'w'or'b'best_move_uci(string): Best move in UCI notationbest_move_san(string): Best move in SAN notationscore_cp(int or null): Centipawn score from the side to move's perspective (null if mate)score_mate(int or null): Mate in N from side to move's perspective (positive = delivering mate, negative = getting mated)depth(int or null): Search depth used (null when time-based limit is used)time_s(float or null): Time limit in seconds used (null when depth-based limit is used)num_legal_moves(int): Number of legal moves in the position
Usage
from datasets import load_dataset
ds = load_dataset("aac43t34ty34ty34/chess-dataset")
print(ds)
print(ds["train"][0])
Note: Scores are POV to the side to move.
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