fen stringlengths 30 73 | ply_count int64 1 19 | category stringclasses 4
values | rating int64 399 3.04k | themes stringlengths 7 128 |
|---|---|---|---|---|
r6k/1p2q3/2b1prp1/p3PnPP/3p1P2/P6R/3K1B2/1R1B4 w - - 0 33 | 3 | hard_tactics | 1,752 | advantage discoveredAttack discoveredCheck intermezzo kingsideAttack master middlegame short |
r5k1/pp1b1ppp/3q1n2/3pr3/8/2PB4/PP1N1PPP/R2Q1RK1 w - - 2 15 | 3 | hard_tactics | 1,750 | advantage middlegame short |
2r3k1/p1r1bppp/bp6/3PQ3/q7/P3P1P1/1B3PBP/R3R1K1 b - - 0 22 | 3 | hard_tactics | 1,518 | advantage middlegame short |
8/6p1/5bk1/8/R6p/7P/6P1/7K w - - 0 41 | 3 | positional | 2,516 | positional |
5rk1/pQ3ppp/8/2P5/P3n3/4P2P/2qr2P1/1R3RK1 w - - 1 27 | 7 | hard_mate | 1,529 | clearance mate mateIn4 middlegame sacrifice veryLong |
8/6pk/1pQ5/5r2/1P1p4/3P1PRK/P2q4/4R3 b - - 2 39 | 3 | endgame | 1,294 | endgame mate mateIn2 short |
r4rk1/p2b1ppp/1q2p2n/2bpP3/3N1PP1/2N1B2P/PP6/R2Q1RK1 w - - 3 16 | 4 | positional | 2,504 | positional |
2r2k1r/pp3ppb/1qnN4/2RpP3/5PP1/1N3B1p/PP5P/3Q1RK1 b - - 4 22 | 4 | positional | 2,493 | positional |
7r/2pnk2p/1pr1p1pP/p3p3/2n1P1R1/2PN1PB1/P1P1K1P1/1R6 b - - 3 22 | 3 | positional | 2,519 | positional |
3R4/8/4k3/1b2r1p1/1pp2p2/1P5P/P4KP1/6N1 w - - 0 41 | 4 | positional | 2,614 | positional |
r2q2k1/pR2nrb1/4bnpp/3ppp2/P7/B1NP2P1/3NPPBP/3Q1RK1 w - - 4 17 | 4 | positional | 2,517 | positional |
r1b1k3/1p1pnpQ1/p3p1n1/5N1r/4P2P/P3B3/q1P1KP2/5B1R w q - 0 16 | 3 | hard_mate | 1,660 | master mate mateIn2 middlegame short |
8/p5p1/1p2k3/3Nb3/8/1P3KPP/P7/8 w - - 1 40 | 3 | positional | 2,523 | positional |
2rqrnk1/pb2bp2/1p2pn1p/3pN3/3P1P2/2PB3P/PPQN2P1/4RRK1 w - - 3 16 | 3 | hard_tactics | 2,586 | advantage middlegame quietMove short |
2kr4/ppp2Npp/1q6/4p3/2Bnn1b1/7P/PPPP2P1/RNB2QKR b - - 0 14 | 1 | hard_mate | 1,610 | discoveredCheck doubleCheck mate mateIn1 middlegame oneMove |
4rr1k/p5pp/1p3b2/3Q4/PP3q2/2P5/5PPP/RN3RK1 b - - 0 24 | 7 | hard_mate | 2,129 | backRankMate deflection discoveredAttack mate mateIn4 middlegame pin sacrifice veryLong |
5rk1/p5p1/7p/6q1/4Q3/P1P1p3/2P1R1PP/2K5 b - - 1 26 | 5 | endgame | 962 | crushing endgame fork long |
5k2/1R5R/p2p3p/2pP3N/4r2b/3n4/P5P1/6K1 b - - 1 31 | 3 | hard_mate | 1,703 | endgame mate mateIn2 operaMate short |
8/8/8/7p/4K1k1/5P2/8/8 b - - 0 49 | 9 | endgame | 1,254 | advancedPawn crushing defensiveMove endgame pawnEndgame promotion quietMove veryLong |
1r2r1k1/5ppp/p4P2/1pp3q1/4B3/1P3PPQ/P1P2bK1/8 w - - 0 32 | 3 | endgame | 1,316 | endgame kingsideAttack mate mateIn2 short |
4Q3/2p2r1k/p2B1q1p/1p2b1p1/8/5P2/P1P2P1P/3RK2R b K - 1 25 | 5 | hard_tactics | 2,029 | advantage fork long middlegame |
r2qn1r1/1b1nbpk1/4p1p1/p2p2P1/1ppP1P2/2P1P1PQ/PPBN2K1/R1B4R w - - 4 19 | 1 | hard_mate | 1,630 | mate mateIn1 middlegame oneMove |
6rr/1p1kbp2/p2p4/PP2pP2/3PP3/6pp/3BQ1P1/5R1K b - - 0 26 | 3 | endgame | 973 | advancedPawn advantage attraction discoveredCheck doubleCheck endgame kingsideAttack short |
2K5/6r1/5kp1/5p1p/5P2/6P1/R6P/8 w - - 18 60 | 3 | endgame | 803 | crushing endgame rookEndgame short |
r4rk1/1p1qnpbp/p3p1p1/P2pP3/3N1B2/1QP5/1P3PPP/R3R1K1 w - - 6 19 | 3 | positional | 2,576 | positional |
2rqk2r/p4ppp/2b1p3/2b5/8/3B1N2/PQ4PP/RN2K2R w KQk - 2 18 | 3 | positional | 2,465 | positional |
8/1b3k2/1p2rp2/4BKpp/3PP3/5P2/P4P1P/R7 b - - 2 32 | 5 | hard_mate | 2,335 | endgame long master masterVsMaster mate mateIn3 sacrifice |
r3r1k1/1p1q2pp/p1p2p1P/3p1N2/3PnnQ1/2P5/PP4P1/4RRK1 w - - 0 26 | 3 | hard_tactics | 2,192 | advancedPawn advantage middlegame short |
1r5r/2k1ppQp/p2pb1p1/q7/P1B5/4nP2/1PP1N1PP/1K1R3R w - - 4 20 | 5 | positional | 2,531 | positional |
2bk3r/qr1pbp2/p1p1pN2/4PpBp/2P4P/3R4/PP1Q1PP1/1K1R4 b - - 9 21 | 3 | positional | 2,524 | positional |
6k1/3R1pp1/2p1p2p/5P2/3P1Q2/5N1P/5P1K/1r3q2 b - - 0 33 | 1 | hard_mate | 1,610 | endgame master mate mateIn1 oneMove |
3Q1rk1/6pp/p1B5/4p3/5b2/P6P/1P2qPK1/8 w - - 2 43 | 3 | endgame | 1,095 | deflection endgame mate mateIn2 short |
8/2p5/6Q1/1q5p/5b1k/8/2P3PP/7K w - - 0 33 | 5 | hard_mate | 1,932 | endgame fork long mate mateIn3 |
3r3k/pp4pp/2p1Q3/5Bq1/3P4/2P3b1/PP5P/4R1K1 w - - 0 27 | 3 | endgame | 789 | endgame mate mateIn2 sacrifice short |
1k2r3/pp2P2p/4Q1p1/q1p2p2/1nPr1P2/1RPB1P1P/8/1RK5 b - - 0 33 | 5 | hard_tactics | 1,522 | crushing discoveredAttack discoveredCheck exposedKing hangingPiece long middlegame |
5r2/2pb1k1p/3p3Q/2qP4/4P3/2B2N1P/rPP3P1/2KR3R b - - 0 23 | 5 | hard_mate | 1,564 | long mate mateIn3 middlegame queensideAttack |
2R5/2p2pkp/3p1np1/2p2r2/7B/1PQ5/1PP1q2P/6K1 w - - 4 29 | 6 | positional | 2,486 | positional |
R7/1pp3bk/p2p2pp/4p3/4P2q/P1PP1nN1/1P1B1K2/2R1Q3 b - - 1 23 | 5 | hard_tactics | 1,687 | crushing exposedKing long middlegame skewer |
6R1/8/3N1p1p/pp5k/2p5/r4r2/8/3R2K1 w - - 0 40 | 5 | endgame | 2,305 | crushing endgame long |
r1b3k1/1p2r3/p3P3/2pP4/2P1Q1pR/1P3pP1/q4P1K/8 w - - 0 34 | 3 | hard_mate | 1,600 | endgame mate mateIn2 short |
r5k1/pp1b2pp/4p3/3pB3/1b4P1/1BN2Q2/P7/q2K1R2 w - - 0 23 | 3 | hard_tactics | 1,678 | advantage defensiveMove middlegame short trappedPiece |
6rr/pbq2pQ1/1pnk1p2/3p4/3P4/2PB1N2/PP3PPP/4R1K1 w - - 2 26 | 3 | hard_mate | 1,795 | mate mateIn2 middlegame short |
4R3/8/4p1k1/5r2/6Kp/5P2/5P2/8 w - - 0 46 | 3 | endgame | 1,448 | crushing endgame master rookEndgame short |
1r3q2/pn3rkp/1p1pB1p1/2pPp1B1/2PnN2N/1PQ3P1/P4PK1/4R3 w - - 18 31 | 3 | positional | 2,522 | positional |
6k1/pR6/7p/5pp1/8/1P2PN1P/P4nPK/3r4 b - - 0 23 | 3 | hard_mate | 1,691 | endgame mate mateIn2 short |
4r3/1pk3b1/p1p4p/3p1B2/5p2/1P3P2/P1PK2PP/4R3 b - - 1 23 | 3 | endgame | 1,289 | crushing deflection endgame short |
4r1k1/8/p2pP3/3PbpPq/Pr6/1n2B3/1P2NQ1P/1R4RK b - - 2 35 | 5 | hard_tactics | 2,091 | advantage kingsideAttack long middlegame pin sacrifice |
r4r1k/ppp3p1/8/8/3RQ1P1/2P2q1P/PP3P2/4R1K1 b - - 0 23 | 7 | endgame | 1,954 | crushing endgame veryLong |
r4k2/p3R1pp/1p2p3/4N3/8/6P1/P6P/5b1K w - - 1 25 | 3 | endgame | 1,280 | advantage endgame fork master short |
1kr1r3/1np4p/1pR5/p1N2pp1/P2q4/5P2/5PPP/1RQ3K1 w - - 2 31 | 5 | hard_tactics | 1,817 | advantage deflection long middlegame queensideAttack |
2r1kb1r/p4p1p/2n1p1p1/1p1pPb2/3P4/1N3N1P/PP1B1PP1/2R1K2R w Kk - 7 16 | 6 | positional | 2,497 | positional |
3r1rk1/ppp1qppp/5n2/2b5/3nP3/2QP1B2/PPP3PP/RNB2R1K b - - 2 13 | 5 | hard_tactics | 1,893 | advantage long master middlegame trappedPiece |
r3nk2/1p3n2/p2p4/2p5/2B1P3/7P/PPP3P1/3K3R w - - 2 26 | 3 | endgame | 1,149 | crushing endgame short |
r1bq1r2/1p3p1k/p1p4p/2p1N3/4P2b/6Q1/PPP3PP/R4RK1 w - - 4 16 | 5 | hard_mate | 1,519 | attraction cornerMate fork intermezzo long mate mateIn3 middlegame sacrifice |
r1q2rk1/pp2bpp1/2p2n1p/4N3/3P1n1B/2N4P/PPB2P2/R2QR1K1 b - - 0 16 | 3 | hard_tactics | 1,840 | advantage master middlegame short |
r4rk1/1q4bp/p2p2p1/1p1Np3/P3P1P1/4P3/B7/3Q1K1R w - - 0 28 | 3 | hard_mate | 1,518 | arabianMate discoveredCheck doubleCheck kingsideAttack mate mateIn2 middlegame short |
8/6p1/3r1k1p/5r2/3RK2P/P2R4/1P6/8 b - - 0 43 | 1 | hard_mate | 1,631 | endgame mate mateIn1 oneMove rookEndgame |
8/p4k2/4pp2/3p3P/3P4/1P2P1K1/1r6/7R w - - 6 37 | 3 | positional | 2,477 | positional |
2Q2bk1/1p4p1/p2p3r/3p4/5q2/2P1BP1P/P7/R3R1K1 b - - 0 27 | 5 | hard_tactics | 2,127 | advantage exposedKing long middlegame |
2r3k1/5p2/n1b1q2p/Np1p2p1/1P1P4/3QP1P1/N4PP1/1B4K1 w - - 5 27 | 5 | hard_tactics | 2,011 | clearance crushing long middlegame skewer |
4r2k/pp3pp1/1qp5/4B2b/4nQ1P/8/PPP3PK/5R2 w - - 0 28 | 3 | hard_mate | 1,717 | mate mateIn2 middlegame pin short |
8/p2q3k/bp3p1p/3BpNp1/3nP3/P6P/5rP1/3QR2K w - - 0 42 | 5 | hard_tactics | 2,121 | crushing long master masterVsMaster middlegame |
r6k/2p2rpp/1p1p4/p1qQ4/n1P5/6P1/1P1R3P/2K4R w - - 0 23 | 3 | hard_mate | 1,552 | hangingPiece mate mateIn2 middlegame short |
5r2/p1r2pk1/1p2pRp1/3pP2P/3P2Q1/P1q5/8/5RK1 w - - 0 28 | 7 | hard_mate | 2,516 | attraction deflection discoveredAttack endgame mate mateIn4 sacrifice veryLong |
8/8/pp2k2p/2p3p1/P1P3P1/2PKP3/8/8 b - - 1 37 | 5 | endgame | 1,539 | crushing endgame long pawnEndgame zugzwang |
8/1b3kp1/pp2pp1p/1N6/1P6/P3P3/5P1P/4nBK1 w - - 0 39 | 3 | endgame | 698 | advantage endgame fork master short |
8/2p5/3k1P1p/8/8/2p2K1P/P3r3/8 w - - 0 48 | 7 | endgame | 2,038 | crushing defensiveMove endgame quietMove veryLong |
2k4r/1p1r1p2/R1np1p2/2q1p2p/1R2P3/2PQ1B1P/P1P2PP1/6K1 b - - 0 21 | 7 | hard_tactics | 2,306 | advantage middlegame veryLong |
2k4r/p1p1N3/2p4p/5pr1/2PP2bR/P3P3/5KP1/R7 b - - 1 29 | 3 | endgame | 1,194 | advantage defensiveMove endgame short trappedPiece |
6R1/1b2p3/p4b1P/1pp2kn1/3p3B/P7/1PP3P1/3N3K b - - 2 39 | 3 | positional | 2,569 | positional |
1rbqk2r/4bpp1/p2p1n1p/4p3/1p2P1P1/4BP2/PPPQN2P/1K1R1B1R b k - 1 15 | 3 | positional | 2,716 | positional |
5r2/2pk1b2/3p3p/1p1P2p1/p1Pp2Pn/3P3P/PP1N1K2/2R2B2 w - - 2 30 | 3 | positional | 2,969 | positional |
4k3/3q2Q1/5B2/3p1p2/5P2/PP5P/K7/7r w - - 9 47 | 1 | endgame | 1,174 | endgame mate mateIn1 oneMove |
8/r3b1R1/pk1pP3/1p6/1P1PP1p1/R5Pn/2PK4/8 b - - 1 35 | 3 | endgame | 738 | advantage endgame short |
r2qrk2/pbpn3p/1p4p1/4P3/2B2Pn1/2P5/PPQN2PP/4RRK1 b - - 2 18 | 3 | positional | 2,540 | positional |
8/7p/6pk/K7/8/8/PP6/8 w - - 0 41 | 11 | endgame | 2,055 | advancedPawn crushing endgame pawnEndgame promotion quietMove veryLong |
r1b2r2/pppnbkqQ/1n2p1p1/8/2PP1P2/2NB4/PP4PP/R1B2RK1 w - - 1 14 | 3 | hard_mate | 1,561 | mate mateIn2 middlegame pin short |
2q5/5pk1/8/1PQK3p/3P4/8/8/8 b - - 2 49 | 1 | hard_mate | 1,500 | dovetailMate endgame mate mateIn1 oneMove queenEndgame |
r7/P2k4/1Bp5/8/2KP4/8/8/8 w - - 15 59 | 3 | endgame | 2,200 | crushing defensiveMove endgame short zugzwang |
7k/p2rq1p1/1p5p/1N1QRp1n/8/6P1/PP3P1P/6K1 b - - 0 29 | 3 | endgame | 1,285 | advantage endgame short |
7k/pR5p/8/2b1r3/3Nr3/2P5/PP1R1KPP/8 b - - 0 27 | 5 | hard_mate | 1,830 | endgame long mate mateIn3 pillsburysMate pin |
r5k1/2p1n1pp/1p6/6N1/3b4/pP6/P2B2PP/5R1K b - - 2 25 | 3 | positional | 2,579 | positional |
1r3rk1/4p2p/2ppp1p1/p7/3bPP2/P1NQ3P/1PPB1qP1/R6K w - - 4 20 | 3 | hard_tactics | 1,520 | advantage middlegame short |
5r1k/6pp/2p1N3/3p4/1q1P1pQ1/7P/5PPK/r7 w - - 0 31 | 1 | endgame | 642 | endgame mate mateIn1 oneMove |
r2q1rk1/pp2ppbp/2n3p1/1N1p1N2/3P1n2/4P3/PP1Q1PPP/R3KB1R w KQ - 0 12 | 3 | hard_tactics | 1,842 | advantage middlegame short |
6k1/1p1R1p2/2p2p1p/8/2P5/2P5/r3RPPP/6K1 b - - 0 22 | 5 | endgame | 593 | backRankMate endgame long mate mateIn3 rookEndgame |
5b2/5p1r/5Pkp/1p1pPN1R/p5P1/3K4/8/8 w - - 0 42 | 1 | endgame | 1,779 | endgame mate mateIn1 oneMove |
7k/1Qp4p/3pq2r/8/8/4P3/PPP2PKP/R4R2 b - - 0 19 | 3 | hard_mate | 1,924 | endgame mate mateIn2 short |
R2r2k1/4ppbp/1q4p1/1Np5/1nP1n3/2BP1NP1/3QPPBP/6K1 b - - 0 18 | 3 | hard_tactics | 1,599 | advantage middlegame short |
r1b1r1k1/1p3pp1/p2p1n1p/2pPq3/4Pn2/2NB1PB1/PP4PP/R2Q1RK1 b - - 9 17 | 3 | hard_tactics | 1,591 | crushing middlegame short |
r5r1/pR5p/8/k2p4/3N4/1PPp4/P2P3q/2K1R3 w - - 0 30 | 5 | hard_mate | 1,781 | endgame long mate mateIn3 |
8/8/8/p4p2/PkP1p3/1P2K3/8/8 w - - 2 41 | 5 | endgame | 1,786 | crushing endgame long pawnEndgame zugzwang |
8/5pk1/1q4pp/8/1pQ5/6PP/2P1KP2/8 w - - 1 33 | 3 | positional | 2,822 | positional |
8/5B2/4r3/p5p1/1p5k/8/PK6/8 w - - 0 45 | 5 | endgame | 2,042 | crushing defensiveMove endgame long |
r1b2k1r/5p2/pq3N1p/1p3p2/5P2/6P1/PP2Q1PK/2R2R2 b - - 1 24 | 3 | hard_tactics | 1,801 | advantage defensiveMove hangingPiece middlegame short |
5r1k/4Nppp/p2q4/8/3PQP2/8/Pr5P/R2R3K b - - 0 29 | 3 | hard_tactics | 2,042 | crushing middlegame short |
8/2k3p1/1p2P1p1/2p5/p1K2PP1/P1P1R2P/1P6/3r4 b - - 0 37 | 3 | hard_mate | 1,771 | endgame mate mateIn2 rookEndgame short |
6R1/2P5/3K1p1k/8/7p/4P3/P1r3p1/8 w - - 0 46 | 3 | endgame | 1,550 | advancedPawn crushing deflection endgame promotion rookEndgame short |
8/8/2Q5/6k1/2nP2P1/2P3K1/1r3P2/q7 w - - 0 57 | 1 | endgame | 1,660 | endgame mate mateIn1 oneMove |
1r4k1/p2b1ppp/8/q7/3n4/P7/1P1BNPPK/R2Q1R2 b - - 0 21 | 5 | hard_tactics | 1,901 | advantage intermezzo long master middlegame |
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