data_source stringclasses 1
value | prompt stringlengths 27 1.68k | ability stringclasses 1
value | reward_model dict | extra_info dict | difficulty int64 800 1.2k |
|---|---|---|---|---|---|
rl_train | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Bxc6 dxc6 5. O-O Bd6 6. Re1 Bg4 7. d4 exd4 8.
Bg5 Bc5 9. Qd3 O-O 10. e5 h6 11. Bxh6 gxh6 12. exf6 Qxf6 13. Nbd2 Rad8 14. Ne4
Qf5 15. Nxc5 Qxc5 16. Re4 Qf5 17. Rf1 Bxf3 18. gxf3 c5 <T> | chess | {
"ground_truth": "['e4g4', 'f3g4']",
"style": "rule"
} | {
"PuzzleId": "4WBqK",
"FEN": "3r1rk1/ppp2p2/2p4p/5q2/3pR3/3Q1P2/PPP2P1P/5RK1 b - - 0 18",
"Moves": "c6c5 e4g4 f5g4 f3g4",
"first_move_uci": "c6c5",
"first_move_san": "c5",
"second_move_uci": "e4g4",
"Rating": 892,
"Themes": "crushing endgame short",
"GameUrl": "https://lichess.org/Gzp66WGj/black#36",... | 892 |
rl_train | 1. e4 g6 2. Nc3 Bg7 3. d4 e6 4. Be3 Ne7 5. Qd2 O-O 6. Bh6 d5 7. Bxg7 Kxg7 8. f3
dxe4 9. fxe4 Nec6 10. Nf3 Na6 11. Bxa6 bxa6 12. O-O Rb8 13. d5 exd5 14. exd5
Ne7 15. Qd4+ Kg8 16. b3 Bb7 17. Rad1 Qd7 18. Ne5 Qd6 19. Nc4 Qd8 20. Rfe1 Nf5
21. Qf4 Re8 22. Rxe8+ Qxe8 23. d6 cxd6 24. Nxd6 Nxd6 25. Rxd6 Qe1+ 26. Qf1 Qxc3
27. R... | chess | {
"ground_truth": "['f1f7', 'f7e8']",
"style": "rule"
} | {
"PuzzleId": "43NfL",
"FEN": "1r4k1/pb1R1p1p/p5p1/8/8/1Pq5/P1P3PP/5QK1 b - - 1 27",
"Moves": "b8e8 f1f7 g8h8 f7e8",
"first_move_uci": "b8e8",
"first_move_san": "Re8",
"second_move_uci": "f1f7",
"Rating": 867,
"Themes": "endgame fork mate mateIn2 short",
"GameUrl": "https://lichess.org/b9g45ZT6/black#... | 867 |
rl_train | 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 cxd4 6. cxd4 Qb6 7. Nc3 Nge7 8. Bd3
Nf5 9. Bxf5 exf5 10. Nxd5 Qa5+ 11. Nc3 Bb4 12. Bd2 Be6 13. a3 Bxc3 14. bxc3 Bc4
15. Qc2 Ne7 16. Nh4 g6 17. f4 Nd5 18. Kf2 Rc8 19. Rhc1 Qa6 20. Nf3 Ke7 21. Re1
h6 22. h3 Bd3 23. Qb3 Bc4 24. Qb2 Rc6 25. Rab1 Rb6 26. Qc1 Rc6 27. a4 Ke6 28.
Qa3... | chess | {
"ground_truth": "['a3d6']",
"style": "rule"
} | {
"PuzzleId": "24V0A",
"FEN": "2r5/pR3p2/q3k1pp/3nPp2/P1rP1P2/Q1Pb1N1P/3B1KP1/2R5 b - - 0 31",
"Moves": "a6b7 a3d6",
"first_move_uci": "a6b7",
"first_move_san": "Qxb7",
"second_move_uci": "a3d6",
"Rating": 898,
"Themes": "mate mateIn1 middlegame oneMove",
"GameUrl": "https://lichess.org/TMnjWHVy/black... | 898 |
rl_train | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 bxc6 6. Nc3 Ne7 7. Bd3 O-O
8. O-O d5 9. exd5 cxd5 10. Qh5 Ng6 11. Qxd5 Qxd5 12. Nxd5 Bd6 13. Be4 Rb8 14.
b3 Be6 15. c4 Rfe8 16. f4 Bg4 17. Bxg6 hxg6 18. h3 Bf5 19. Kh1 Re2 20. Be3 Be4
21. Rf2 Rxf2 22. Bxf2 Bxd5 23. cxd5 Bxf4 24. Bxa7 Rb5 25. Rf1 Bg5 26. Rd1 Ra5
27. Bb8... | chess | {
"ground_truth": "['c5c1', 'c1d1']",
"style": "rule"
} | {
"PuzzleId": "36Et4",
"FEN": "1B4k1/2p2pp1/6p1/2rP4/P4b2/1P5P/6P1/3R3K w - - 1 29",
"Moves": "d1d4 c5c1 d4d1 c1d1",
"first_move_uci": "d1d4",
"first_move_san": "Rd4",
"second_move_uci": "c5c1",
"Rating": 813,
"Themes": "endgame mate mateIn2 short",
"GameUrl": "https://lichess.org/demZjxIA#57",
"ctx... | 813 |
rl_train | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 O-O 8. c3
d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15.
Be3 Bg4 16. Qd3 f5 17. f4 Rae8 18. Nd2 Re6 19. Qf1 Qh5 20. a4 Rfe8 21. axb5
Rxe3 22. Rxe3 Rxe3 23. bxc6 Re2 24. Bxd5+ Kf8 25. h3 Rxd2 26. hxg4 <T> | chess | {
"ground_truth": "['h5h2']",
"style": "rule"
} | {
"PuzzleId": "4jMlH",
"FEN": "5k2/6pp/p1Pb4/3B1p1q/3P1Pb1/2P3PP/1P1r4/R4QK1 w - - 0 26",
"Moves": "h3g4 h5h2",
"first_move_uci": "h3g4",
"first_move_san": "hxg4",
"second_move_uci": "h5h2",
"Rating": 855,
"Themes": "endgame mate mateIn1 oneMove",
"GameUrl": "https://lichess.org/ilc3egyb#51",
"ctx_o... | 855 |
rl_train | 1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Nf3 Bb4+ 6. Nc3 O-O 7. Be2 Ne4 8.
Qb3 Bxc3+ 9. bxc3 dxc4 10. Bxc4 Nd6 11. O-O Nxc4 12. Qxc4 b6 13. Bg5 Qd6 14.
Rfe1 Be6 15. Qd3 Nd7 16. Bh4 h6 17. Bg3 Qd5 18. Bxc7 Rac8 19. Bg3 Bf5 20. Qd2
Nf6 21. Re5 Qd7 22. Rae1 Bg4 23. R5e3 Nd5 24. Ne5 Qf5 25. Nxg4 Qxg4 26. h3 Qd7
27. Be5 ... | chess | {
"ground_truth": "['h6h8']",
"style": "rule"
} | {
"PuzzleId": "2f0TJ",
"FEN": "2r3k1/5p2/1p2q1pQ/4B3/3P4/2P4P/p4PPK/8 b - - 0 40",
"Moves": "g6g5 h6h8",
"first_move_uci": "g6g5",
"first_move_san": "g5",
"second_move_uci": "h6h8",
"Rating": 860,
"Themes": "endgame mate mateIn1 oneMove",
"GameUrl": "https://lichess.org/c2NLrEhy/black#80",
"ctx_orig... | 860 |
rl_train | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 c6 6. Nf3 O-O 7. Be2 Ne4 8. Bxe7
Qxe7 9. O-O Nxc3 10. bxc3 Nd7 11. cxd5 cxd5 12. c4 Nf6 13. c5 Nd7 14. Qb3 e5
15. Rfe1 e4 16. Nd2 Qh4 17. f3 Nf6 18. fxe4 dxe4 19. Qb1 Bf5 20. Qxb7 Ng4 21.
Bxg4 Qxg4 22. Rf1 Bg6 23. Rf4 Qe2 24. Nxe4 Qxe3+ 25. Kh1 Qxf4 26. Re1 Bxe4 27.
Qxe4 Rf... | chess | {
"ground_truth": "['e4e8', 'e1e8']",
"style": "rule"
} | {
"PuzzleId": "3vOm0",
"FEN": "r4rk1/p4ppp/8/2P5/3PQq2/8/P5PP/4R2K b - - 0 27",
"Moves": "f8e8 e4e8 a8e8 e1e8",
"first_move_uci": "f8e8",
"first_move_san": "Rfe8",
"second_move_uci": "e4e8",
"Rating": 876,
"Themes": "backRankMate endgame mate mateIn2 short",
"GameUrl": "https://lichess.org/HtmoI8ht/bl... | 876 |
rl_train | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 b5 7. Bxf6 exf6 8.
Be2 Be7 9. O-O O-O 10. Nd5 Bb7 11. Nf5 Bxd5 12. Qxd5 Nd7 13. Rad1 Rc8 14. c3
Rc5 15. Nxe7+ Qxe7 16. Qxd6 Qxd6 17. Rxd6 Nb8 18. Rfd1 Rcc8 19. Bg4 Rce8 20. f3
Re7 21. Rd8 Ree8 22. Rxe8 Rxe8 23. Kf2 Kf8 24. g3 g6 25. Bh3 Ke7 26. Ke3 Rd8
27. Rxd8... | chess | {
"ground_truth": "['f1c4', 'h5g6', 'g6f6']",
"style": "rule"
} | {
"PuzzleId": "2v4HE",
"FEN": "8/8/5p2/p1k1nP1K/P1P5/8/8/5B2 b - - 5 70",
"Moves": "e5c4 f1c4 c5c4 h5g6 c4b3 g6f6",
"first_move_uci": "e5c4",
"first_move_san": "Nxc4",
"second_move_uci": "f1c4",
"Rating": 896,
"Themes": "crushing endgame long",
"GameUrl": "https://lichess.org/lbOVbceY/black#140",
"c... | 896 |
rl_train | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 g6 6. Nxc6 bxc6 7. Bc4 Bg7 8.
Be3 Nf6 9. O-O O-O 10. f3 Qc7 11. Bb3 Ba6 12. Re1 Rab8 13. Qd2 Nd7 14. Rad1 Ne5
15. f4 Nc4 16. Qf2 Nxb2 17. e5 d5 18. Rb1 Nc4 19. Bxc4 Bxc4 20. Rxb8 Rxb8 21.
Bxa7 Ra8 22. Bb6 Qc8 23. a4 e6 24. a5 Bf8 25. g4 c5 26. h4 d4 27. Ne4 Bd5 28.
Nf6+ ... | chess | {
"ground_truth": "['h8h1']",
"style": "rule"
} | {
"PuzzleId": "4ISk6",
"FEN": "r6q/4bpk1/1B2pNp1/P1pbP2P/3p2P1/8/2P2Q2/4R1K1 w - - 1 32",
"Moves": "h5g6 h8h1",
"first_move_uci": "h5g6",
"first_move_san": "hxg6",
"second_move_uci": "h8h1",
"Rating": 869,
"Themes": "master mate mateIn1 middlegame oneMove",
"GameUrl": "https://lichess.org/YpwAnqK2#63"... | 869 |
rl_train | 1. e4 e5 2. Nf3 d6 3. c3 Nf6 4. d4 Nbd7 5. Bd3 Be7 6. O-O O-O 7. h3 c6 8. Be3
Qc7 9. a4 h6 10. Na3 Re8 11. Qd2 Bf8 12. b4 exd4 13. cxd4 Nxe4 14. Bxe4 Rxe4
15. Rac1 Nf6 16. b5 d5 17. Ne5 Bxa3 18. bxc6 bxc6 19. Rxc6 Qd8 20. Qc3 Bd6 21.
Rc1 Be6 22. a5 Bxe5 23. dxe5 Nd7 24. Rc7 Nxe5 25. Rxa7 Rxa7 26. Bxa7 Rc4 27.
Qd2 Rxc1+... | chess | {
"ground_truth": "['e4g2']",
"style": "rule"
} | {
"PuzzleId": "3v6gQ",
"FEN": "8/8/4kp1Q/3b3p/3pq2P/6B1/5PP1/6K1 w - - 0 45",
"Moves": "h6h5 e4g2",
"first_move_uci": "h6h5",
"first_move_san": "Qxh5",
"second_move_uci": "e4g2",
"Rating": 825,
"Themes": "endgame master mate mateIn1 oneMove",
"GameUrl": "https://lichess.org/5wR0Euxk#89",
"ctx_origin... | 825 |
rl_train | 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nc6 6. Be3 d6 7. Nc3 Nf6 8. Be2
O-O 9. O-O a5 10. Rc1 a4 11. a3 Bd7 12. f3 Qa5 13. Qd2 Nxd4 14. Bxd4 Rfc8 15.
Rfd1 Be6 16. Nb5 Qxd2 17. Rxd2 Bh6 18. Rdc2 Bxc1 19. Rxc1 Nd7 20. f4 Nc5 21. f5
gxf5 22. Rc3 Nxe4 23. Rf3 Bxc4 24. Bxc4 Rxc4 25. g4 fxg4 26. Rf4 e5 27. Rxg4+
Kh8 ... | chess | {
"ground_truth": "['d6f7']",
"style": "rule"
} | {
"PuzzleId": "4puR9",
"FEN": "r6k/1p3p1p/3N4/4p3/p1rBn1R1/P7/1P5P/6K1 b - - 0 28",
"Moves": "c4d4 d6f7",
"first_move_uci": "c4d4",
"first_move_san": "Rxd4",
"second_move_uci": "d6f7",
"Rating": 827,
"Themes": "endgame master mate mateIn1 oneMove",
"GameUrl": "https://lichess.org/620pXAM5/black#56",
... | 827 |
rl_train | 1. d4 d5 2. Nf3 c5 3. dxc5 e5 4. e3 Nc6 5. c4 Be6 6. cxd5 Qxd5 7. Qxd5 Bxd5 8.
Nc3 O-O-O 9. Nxd5 Rxd5 10. a3 Bxc5 11. Bc4 Rd7 12. b4 Bd6 13. Bb2 a6 14. Rc1 h6
15. b5 axb5 16. Bxb5 Rc7 17. Ke2 f6 18. Rhd1 Bf8 19. Nh4 Nge7 20. f4 exf4 21.
exf4 g5 22. fxg5 hxg5 23. Bxf6 Rxh4 24. h3 Re4+ 25. Kf3 Rf4+ 26. Kg3 Rxf6 27.
a4 Bh... | chess | {
"ground_truth": "['e1e8', 'd1d8']",
"style": "rule"
} | {
"PuzzleId": "4qLIb",
"FEN": "2k5/1pr5/2n2r1b/1B4p1/P2n2K1/7P/6P1/3RR3 b - - 6 30",
"Moves": "d4b5 e1e8 c6d8 d1d8",
"first_move_uci": "d4b5",
"first_move_san": "Nxb5",
"second_move_uci": "e1e8",
"Rating": 804,
"Themes": "mate mateIn2 middlegame short",
"GameUrl": "https://lichess.org/9SVMlntp/black#6... | 804 |
rl_train | 1. e4 e5 2. f4 Nc6 3. Nf3 Bd6 4. Bc4 Nf6 5. O-O Nxe4 6. d3 Nf6 7. Nc3 a6 8. Ne4
Nxe4 9. dxe4 b5 10. Bb3 Bb7 11. Qd5 O-O 12. fxe5 Re8 13. Qxf7+ Kh8 14. exd6
cxd6 15. Ng5 Rf8 16. Qg8+ Rxg8 <T> | chess | {
"ground_truth": "['g5f7']",
"style": "rule"
} | {
"PuzzleId": "1kZ7P",
"FEN": "r2q1rQk/1b1p2pp/p1np4/1p4N1/4P3/1B6/PPP3PP/R1B2RK1 b - - 3 16",
"Moves": "f8g8 g5f7",
"first_move_uci": "f8g8",
"first_move_san": "Rxg8",
"second_move_uci": "g5f7",
"Rating": 818,
"Themes": "middlegame",
"GameUrl": "https://lichess.org/R3j7xGvf/black#32",
"ctx_original... | 818 |
rl_train | 1. b3 d5 2. Bb2 Nf6 3. e3 Bg4 4. Be2 Bxe2 5. Qxe2 Nc6 6. Nc3 e5 7. O-O-O Bb4 8.
f4 e4 9. g4 h6 10. h4 a5 11. Nh3 a4 12. g5 hxg5 13. hxg5 axb3 14. axb3 Nd7 15.
Nf2 Rxh1 16. Rxh1 Ba3 17. Rh8+ Nf8 18. Ng4 Bxb2+ 19. Kxb2 Qd6 20. Nb5 Qe7 21.
Nf2 Nb4 22. Nc3 Qd6 23. Qb5+ c6 24. Qxb7 Nd3+ 25. Nxd3 <T> | chess | {
"ground_truth": "['d6a3', 'a3a1']",
"style": "rule"
} | {
"PuzzleId": "46xg1",
"FEN": "r3kn1R/1Q3pp1/2pq4/3p2P1/4pP2/1PNnP3/1KPP1N2/8 w q - 1 25",
"Moves": "f2d3 d6a3 b2b1 a3a1",
"first_move_uci": "f2d3",
"first_move_san": "Nxd3",
"second_move_uci": "d6a3",
"Rating": 880,
"Themes": "mate mateIn2 middlegame short",
"GameUrl": "https://lichess.org/294nrEfN#4... | 880 |
rl_train | 1. d4 g6 2. e4 Bg7 3. c4 d6 4. Nc3 Nd7 5. Nf3 e5 6. Be2 exd4 7. Nxd4 Ne7 8. O-O
O-O 9. Be3 Nf6 10. Qd2 c5 11. Ndb5 Ne8 12. Bh6 a6 13. Bxg7 Kxg7 14. Na3 f5 15.
Nd5 Nxd5 16. exd5 Nf6 17. Nc2 Bd7 18. h4 Ne4 19. Qf4 Ba4 20. b3 Be8 21. Ne3 Qf6
22. g4 Bd7 23. g5 Qe5 24. Qxe5+ dxe5 25. f3 Nc3 26. Bd3 e4 27. fxe4 fxe4 28.
Bc2 ... | chess | {
"ground_truth": "['e8g8']",
"style": "rule"
} | {
"PuzzleId": "328ij",
"FEN": "4R3/r5kp/6p1/p1pB2P1/2Pn3P/8/5K2/8 b - - 7 41",
"Moves": "a5a4 e8g8",
"first_move_uci": "a5a4",
"first_move_san": "a4",
"second_move_uci": "e8g8",
"Rating": 840,
"Themes": "endgame mate mateIn1 oneMove",
"GameUrl": "https://lichess.org/pm3woxRw/black#82",
"ctx_original... | 840 |
rl_train | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nf6 5. Nc3 g6 6. Bf4 a6 7. Bc4 Nc6 8. Qd3
Bg7 9. e5 Nh5 10. exd6 Nxf4 11. Bxf7+ Kxf7 12. Qc4+ Ne6 13. Ng5+ Kf6 14. Nce4+
Kf5 15. Qd5+ Kf4 16. g3+ Kg4 17. h3+ Kh5 18. g4+ Kh6 <T> | chess | {
"ground_truth": "['g5f7']",
"style": "rule"
} | {
"PuzzleId": "1bSC2",
"FEN": "r1bq3r/1p2p1bp/p1nPn1p1/3Q2Nk/4N1P1/7P/PPP2P2/R3K2R b KQ - 0 18",
"Moves": "h5h6 g5f7",
"first_move_uci": "h5h6",
"first_move_san": "Kh6",
"second_move_uci": "g5f7",
"Rating": 864,
"Themes": "mate mateIn1 middlegame oneMove",
"GameUrl": "https://lichess.org/24dqemoS/blac... | 864 |
rl_train | 1. d4 d5 2. Nf3 c5 3. dxc5 Qa5+ 4. c3 Qxc5 5. e3 Nc6 6. Bd3 e5 7. e4 Nf6 8.
Nbd2 Bg4 9. O-O Bxf3 10. Qxf3 Be7 11. Re1 O-O 12. exd5 Qxd5 13. Ne4 Nxe4 14.
Bxe4 Qe6 15. Re3 Bc5 16. Rd3 Qf6 17. Qh5 <T> | chess | {
"ground_truth": "['f6f2', 'f2f1']",
"style": "rule"
} | {
"PuzzleId": "4RN4l",
"FEN": "r4rk1/pp3ppp/2n2q2/2b1p3/4B3/2PR1Q2/PP3PPP/R1B3K1 w - - 5 17",
"Moves": "f3h5 f6f2 g1h1 f2f1",
"first_move_uci": "f3h5",
"first_move_san": "Qh5",
"second_move_uci": "f6f2",
"Rating": 815,
"Themes": "kingsideAttack mate mateIn2 middlegame short",
"GameUrl": "https://liche... | 815 |
rl_train | 1. c4 Nf6 2. d4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Nf3 c5 7. Be3 cxd4 8. Bxd4
Nc6 9. Be3 e5 10. Be2 Be6 11. O-O a6 12. Qd2 Qd7 13. Rfd1 Bxh3 14. gxh3 Qxh3
15. Ng5 Qh4 16. Kf1 <T> | chess | {
"ground_truth": "['h4h1']",
"style": "rule"
} | {
"PuzzleId": "3c6rv",
"FEN": "r4rk1/1p3pbp/p1np1np1/4p1N1/2P1P2q/2N1B3/PP1QBP2/R2R2K1 w - - 2 16",
"Moves": "g1f1 h4h1",
"first_move_uci": "g1f1",
"first_move_san": "Kf1",
"second_move_uci": "h4h1",
"Rating": 817,
"Themes": "mate mateIn1 middlegame oneMove",
"GameUrl": "https://lichess.org/3x4evuls#3... | 817 |
rl_train | 1. e4 c5 2. Nf3 d6 3. Nc3 Nc6 4. h3 g6 5. d3 Bg7 6. g3 e5 7. Bg2 f5 8. O-O Nf6
9. exf5 Bxf5 10. Nh4 Be6 11. Kh2 O-O 12. f4 exf4 13. Bxf4 Nd4 14. Nf3 Rb8 15.
Ng5 Bf5 16. g4 Bc8 17. Nd5 Kh8 18. c3 Nc6 19. Nxf6 Qxf6 20. Ne4 Qe6 21. Bxd6
Rxf1 22. Qxf1 Ra8 23. Bxc5 Ne5 24. Bd4 Bd7 25. Nc5 Qd6 26. Nxb7 Nf3+ 27. Kh1 <T> | chess | {
"ground_truth": "['d6h2']",
"style": "rule"
} | {
"PuzzleId": "3Qd8U",
"FEN": "r6k/pN1b2bp/3q2p1/8/3B2P1/2PP1n1P/PP4BK/R4Q2 w - - 1 27",
"Moves": "h2h1 d6h2",
"first_move_uci": "h2h1",
"first_move_san": "Kh1",
"second_move_uci": "d6h2",
"Rating": 826,
"Themes": "mate mateIn1 middlegame oneMove",
"GameUrl": "https://lichess.org/eZCH9uqM#53",
"ctx_... | 826 |
rl_train | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Bg5 Be7 6. Nxc6 dxc6 7. Qxd8+
Bxd8 8. e5 Nd5 9. Bxd8 Kxd8 10. Bc4 Re8 11. O-O Rxe5 12. Nd2 Ke7 13. Nf3 Re4
14. Bd3 Re6 15. Rfe1 Rxe1+ 16. Rxe1+ Kf8 17. Ng5 h6 <T> | chess | {
"ground_truth": "['g5h7', 'e1e8']",
"style": "rule"
} | {
"PuzzleId": "2uI2T",
"FEN": "r1b2k2/ppp2ppp/2p5/3n2N1/8/3B4/PPP2PPP/4R1K1 b - - 2 17",
"Moves": "h7h6 g5h7 f8g8 e1e8",
"first_move_uci": "h7h6",
"first_move_san": "h6",
"second_move_uci": "g5h7",
"Rating": 850,
"Themes": "endgame mate mateIn2 short",
"GameUrl": "https://lichess.org/04gs46Wf/black#34... | 850 |
rl_train | 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. d4 exd4 6. Nxd4 Nxd4 7. Bxd7+ Qxd7
8. Qxd4 Nf6 9. Nc3 Be7 10. h3 O-O 11. Be3 Rfe8 12. Rad1 a6 13. f4 Rad8 14. Nd5
h6 15. Nxf6+ Bxf6 16. e5 dxe5 <T> | chess | {
"ground_truth": "['d4d7', 'd1d7']",
"style": "rule"
} | {
"PuzzleId": "3d2oL",
"FEN": "3rr1k1/1ppq1pp1/p2p1b1p/4P3/3Q1P2/4B2P/PPP3P1/3R1RK1 b - - 0 16",
"Moves": "d6e5 d4d7 d8d7 d1d7",
"first_move_uci": "d6e5",
"first_move_san": "dxe5",
"second_move_uci": "d4d7",
"Rating": 813,
"Themes": "crushing middlegame short",
"GameUrl": "https://lichess.org/cfbQ3Lwu... | 813 |
rl_train | 1. e4 e5 2. f4 exf4 3. Nf3 d6 4. Bc4 Bg4 5. d4 Nf6 6. O-O Nxe4 7. Qd3 d5 8.
Bb5+ c6 9. Ba4 b5 10. Bb3 Bxf3 11. Qxf3 Bd6 12. Nd2 Qe7 13. c3 O-O 14. Bc2 f5
15. Re1 Kh8 16. a3 Nd7 17. Qh3 Ndf6 18. Qxf5 Ng8 19. Qh5 Qg5 20. Qf3 Ngf6 21.
Nxe4 Nxe4 22. Bxe4 dxe4 23. Rxe4 Rae8 24. Bd2 Qf5 25. Rae1 Rxe4 26. Rxe4 c5 27.
Kh1 cxd4... | chess | {
"ground_truth": "['e3e1', 'e1f1']",
"style": "rule"
} | {
"PuzzleId": "2y2aP",
"FEN": "5r1k/p5pp/3b4/1p6/5p2/P1P1qQ2/1P4PP/3R3K w - - 2 31",
"Moves": "d1d6 e3e1 f3f1 e1f1",
"first_move_uci": "d1d6",
"first_move_san": "Rxd6",
"second_move_uci": "e3e1",
"Rating": 807,
"Themes": "endgame mate mateIn2 short",
"GameUrl": "https://lichess.org/gIEQT296#61",
"ct... | 807 |
rl_train | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. Qc2 O-O 7. e3 Bg4 8.
Bd3 h6 9. Bxf6 Bxf6 10. Nge2 b6 11. O-O c5 12. f3 Be6 13. Bf5 Qd7 14. Bxe6 Qxe6
15. Nf4 <T> | chess | {
"ground_truth": "['e6e3', 'e3f4']",
"style": "rule"
} | {
"PuzzleId": "3WMSj",
"FEN": "rn3rk1/p4pp1/1p2qb1p/2pp4/3P4/2N1PP2/PPQ1N1PP/R4RK1 w - - 0 15",
"Moves": "e2f4 e6e3 g1h1 e3f4",
"first_move_uci": "e2f4",
"first_move_san": "Nf4",
"second_move_uci": "e6e3",
"Rating": 892,
"Themes": "crushing fork middlegame short",
"GameUrl": "https://lichess.org/HDoSA... | 892 |
rl_train | 1. d4 d5 2. Bf4 c6 3. Nf3 Nf6 4. c3 Bg4 5. e3 e6 6. h3 Bh5 7. g4 Bg6 8. Bd3
Bxd3 9. Qxd3 Ne4 10. Nbd2 Nf6 11. O-O-O h6 12. Rde1 Nbd7 13. e4 dxe4 14. Nxe4
Nd5 15. Nd6+ Bxd6 16. Bxd6 N7f6 17. Bg3 O-O 18. g5 hxg5 19. Nxg5 g6 20. Nxe6
fxe6 21. Qxg6+ Kh8 22. Rxe6 Qd7 23. Rhe1 Qg7 24. Qd3 Qh6+ 25. Kc2 Rae8 26. Rxe8
Rxe8 27. ... | chess | {
"ground_truth": "['d3c1', 'c1e2']",
"style": "rule"
} | {
"PuzzleId": "1Roqy",
"FEN": "8/5k2/2p2n2/1p2R3/1P1P4/1KPn3P/5P2/8 w - - 2 38",
"Moves": "e5e2 d3c1 b3c2 c1e2",
"first_move_uci": "e5e2",
"first_move_san": "Re2",
"second_move_uci": "d3c1",
"Rating": 898,
"Themes": "crushing endgame fork short",
"GameUrl": "https://lichess.org/PbuHDJH8#75",
"ctx_or... | 898 |
rl_train | 1. e4 e5 2. Bc4 Nc6 3. Nc3 Nf6 4. Nf3 Nxe4 5. Bxf7+ Kxf7 6. Nxe4 d5 7. Neg5+
Kg8 8. d4 Be7 9. dxe5 Nxe5 10. Nxe5 Bxg5 11. Qh5 Bxc1 <T> | chess | {
"ground_truth": "['h5f7']",
"style": "rule"
} | {
"PuzzleId": "3kl5k",
"FEN": "r1bq2kr/ppp3pp/8/3pN1bQ/8/8/PPP2PPP/R1B1K2R b KQ - 1 11",
"Moves": "g5c1 h5f7",
"first_move_uci": "g5c1",
"first_move_san": "Bxc1",
"second_move_uci": "h5f7",
"Rating": 834,
"Themes": "mate mateIn1 middlegame oneMove",
"GameUrl": "https://lichess.org/FAYN1Rbk/black#22",
... | 834 |
rl_train | 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Bc4 Bg7 6. Be3 Nf6 7. Nc3 O-O 8.
f3 Qa5 9. Qd2 Qb4 10. Bb3 Nxe4 11. fxe4 Bxd4 12. Bxd4 Qxd4 13. Qxd4 Nxd4 14.
O-O-O Nxb3+ 15. axb3 d6 16. Nd5 Bg4 17. Nxe7+ Kg7 18. Rxd6 Rae8 19. h3 Rxe7 20.
hxg4 Rxe4 21. Rd7 Rxg4 22. Rg1 Rb8 23. Rf1 h5 24. Rfxf7+ Kh6 25. Rh7+ Kg5 26.
Rxb7 Rd... | chess | {
"ground_truth": "['g2g1', 'g1d1']",
"style": "rule"
} | {
"PuzzleId": "4fsRl",
"FEN": "r7/3R3R/6p1/6kp/8/1P6/1PP3r1/2K5 w - - 2 29",
"Moves": "c1b1 g2g1 d7d1 g1d1",
"first_move_uci": "c1b1",
"first_move_san": "Kb1",
"second_move_uci": "g2g1",
"Rating": 834,
"Themes": "endgame mate mateIn2 rookEndgame short",
"GameUrl": "https://lichess.org/nZQw6shf#57",
... | 834 |
rl_train | 1. e4 Nh6 2. d4 g6 3. c4 f6 4. Nc3 e6 5. f4 d6 6. Bd3 c6 7. Be3 Nd7 8. Nge2 Qe7
9. O-O Bg7 10. f5 gxf5 11. Bxh6 Bxh6 12. exf5 e5 13. Ng3 Be3+ 14. Kh1 Bxd4 15.
Nce4 b6 16. Qh5+ Qf7 17. Qh6 Bb7 18. Nh5 O-O-O <T> | chess | {
"ground_truth": "['e4d6', 'd6f7']",
"style": "rule"
} | {
"PuzzleId": "1rw3t",
"FEN": "r3k2r/pb1n1q1p/1ppp1p1Q/4pP1N/2PbN3/3B4/PP4PP/R4R1K b kq - 5 18",
"Moves": "e8c8 e4d6 c8b8 d6f7",
"first_move_uci": "e8c8",
"first_move_san": "O-O-O",
"second_move_uci": "e4d6",
"Rating": 838,
"Themes": "crushing fork middlegame short",
"GameUrl": "https://lichess.org/vr... | 838 |
rl_train | 1. d4 Nf6 2. Bf4 e6 3. Nf3 c5 4. e3 Nc6 5. c3 d5 6. Bd3 Bd6 7. Bg3 O-O 8. Nbd2
Re8 9. Ne5 Qc7 10. f4 a6 11. Qc2 b5 12. Bh4 c4 13. Be2 Nd7 14. g4 Nf8 15. Ndf3
b4 16. Ng5 f6 17. Ngf7 fxe5 18. Nxd6 Qxd6 19. fxe5 Qc7 20. O-O Ng6 21. Bg3 Bd7
22. h4 Rf8 23. h5 Nge7 24. h6 g6 25. Bh4 a5 26. Bf6 a4 27. Bg7 b3 28. Qd2 Rxf1+
29.... | chess | {
"ground_truth": "['f1f8']",
"style": "rule"
} | {
"PuzzleId": "2H0jj",
"FEN": "r5k1/2qbn1Bp/2n1p1pP/3pP3/2pP2P1/PpP1P3/P2QB3/5RK1 b - - 0 30",
"Moves": "a8a3 f1f8",
"first_move_uci": "a8a3",
"first_move_san": "Rxa3",
"second_move_uci": "f1f8",
"Rating": 849,
"Themes": "mate mateIn1 middlegame oneMove",
"GameUrl": "https://lichess.org/KNkj0EF0/black... | 849 |
rl_train | 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. e3 Bf5 5. Bd3 Bxd3 6. Qxd3 e6 7. Nc3 Bd6 8. e4
dxe4 9. Nxe4 Nxe4 10. Qxe4 Nd7 11. O-O Nf6 12. Qe2 O-O 13. Bg5 h6 14. Bh4 Be7
15. Rfd1 Qc7 16. Bg3 Bd6 17. c5 Bxg3 18. hxg3 Rad8 19. b4 a6 20. a4 Rd7 21. Ne5
Rd5 22. Nc4 Rfd8 23. Nb6 Rxd4 24. Rxd4 Rxd4 25. Qb2 Qd8 26. Qb3 Rd2 27. Nc4 Qd4
28.... | chess | {
"ground_truth": "['h5h2']",
"style": "rule"
} | {
"PuzzleId": "4miR0",
"FEN": "6k1/1p3pp1/p1P1p2p/2P4q/P5n1/1Q4P1/5PP1/5RK1 w - - 1 32",
"Moves": "c6b7 h5h2",
"first_move_uci": "c6b7",
"first_move_san": "cxb7",
"second_move_uci": "h5h2",
"Rating": 807,
"Themes": "endgame mate mateIn1 oneMove",
"GameUrl": "https://lichess.org/FA4bC71n#63",
"ctx_or... | 807 |
rl_train | 1. d4 d5 2. Bf4 f5 3. Nf3 Nf6 4. e3 e6 5. c3 Bd6 6. Be5 O-O 7. Bd3 Nbd7 8. Nbd2
Qe7 9. Qe2 Bxe5 10. Nxe5 Nxe5 11. dxe5 Ne4 12. Bxe4 fxe4 13. O-O-O Qg5 14. f4
exf3 15. Nxf3 Qh6 16. Kb1 Bd7 17. e4 c6 18. exd5 cxd5 19. Ka1 a6 20. c4 Bc6 21.
Nd4 Rad8 22. Nxc6 bxc6 23. cxd5 cxd5 24. Qxa6 Rfe8 25. Qe2 Ra8 26. a3 Reb8 27.
h3 ... | chess | {
"ground_truth": "['c7f7', 'g8f7']",
"style": "rule"
} | {
"PuzzleId": "1AQgc",
"FEN": "1r4k1/2q3p1/4p2p/3pP3/6PP/P4Q2/1P6/K4R2 w - - 1 36",
"Moves": "f3f7 c7f7 f1f7 g8f7",
"first_move_uci": "f3f7",
"first_move_san": "Qf7+",
"second_move_uci": "c7f7",
"Rating": 811,
"Themes": "crushing endgame short",
"GameUrl": "https://lichess.org/6KiLl9ov#71",
"ctx_ori... | 811 |
rl_train | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Bc4 Be7 8. O-O
Nbd7 9. Bb3 Nc5 10. f4 Nxb3 11. cxb3 Bd7 12. Rc1 O-O 13. f5 exf5 14. Nxf5 Qb6+
15. Kh1 Bd8 16. Nxd6 h6 17. Bxf6 Bxf6 18. Nc4 Qe6 19. Re1 Rad8 20. Qf3 Bc6 21.
Nd5 Bg5 22. Nf4 Bxf4 23. Qxf4 Rfe8 24. Nd2 Rd7 25. Re2 Rde7 26. Rce1 Qg6 27. a4
Re... | chess | {
"ground_truth": "['d5d3', 'd3e3']",
"style": "rule"
} | {
"PuzzleId": "4hg5o",
"FEN": "6k1/1p4p1/p6p/3r2r1/P2NR2R/1P5K/1P5P/8 w - - 3 40",
"Moves": "d4e6 d5d3 e4e3 d3e3",
"first_move_uci": "d4e6",
"first_move_san": "Ne6",
"second_move_uci": "d5d3",
"Rating": 880,
"Themes": "endgame mate mateIn2 short",
"GameUrl": "https://lichess.org/XtUm3K5s#79",
"ctx_o... | 880 |
rl_train | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bd3 Bb4+ 7. c3 Bd6
8. Be3 Be6 9. Bc1 Na6 10. Bxa6 bxa6 11. Qa4 Qb6 12. Ne2 Bd7 13. O-O c5 14. dxc5
Bxc5 15. Qf4 Bd6 16. Qf3 Bc6 17. Qg4 Bf8 18. Nd4 Bd7 19. Re1+ Be7 20. Qxg7
O-O-O 21. Rxe7 Bc6 22. Qg4+ Kb8 23. Qf4+ Ka8 24. Nxc6 <T> | chess | {
"ground_truth": "['d8d1', 'd1e1']",
"style": "rule"
} | {
"PuzzleId": "2jt3a",
"FEN": "k2r3r/p3Rp1p/pqb2p2/8/3N1Q2/2P5/PP3PPP/R1B3K1 w - - 5 24",
"Moves": "d4c6 d8d1 e7e1 d1e1",
"first_move_uci": "d4c6",
"first_move_san": "Nxc6",
"second_move_uci": "d8d1",
"Rating": 831,
"Themes": "kingsideAttack mate mateIn2 middlegame short",
"GameUrl": "https://lichess.... | 831 |
rl_train | 1. e4 e6 2. Nc3 c5 3. Nf3 Nc6 4. Bb5 a6 5. Bxc6 bxc6 6. d3 d5 7. O-O d4 8. Na4
Qc7 9. b3 e5 10. Ba3 Qa5 11. Nxe5 Bd7 12. Qf3 Nf6 13. g4 Bd6 14. Nxd7 Nxd7 15.
e5 Nxe5 16. Rae1 O-O 17. Qg2 Rfe8 18. f4 Nf3+ 19. Qxf3 Rxe1 20. Qxc6 Rae8 21.
Qxd6 Rxf1+ 22. Kxf1 Re1+ 23. Kg2 Qd2+ 24. Kh3 Re3+ 25. Kh4 Qxh2+ 26. Kg5 h6+
27. Kf5... | chess | {
"ground_truth": "['e3e6']",
"style": "rule"
} | {
"PuzzleId": "20Inb",
"FEN": "6k1/5p2/p2Q1Kpp/2p5/N2p1qP1/BP1Pr3/P1P5/8 w - - 0 29",
"Moves": "d6f4 e3e6",
"first_move_uci": "d6f4",
"first_move_san": "Qxf4",
"second_move_uci": "e3e6",
"Rating": 893,
"Themes": "endgame mate mateIn1 oneMove",
"GameUrl": "https://lichess.org/jEypogZQ#57",
"ctx_origi... | 893 |
rl_train | 1. d4 e6 2. Bf4 d5 3. Nf3 c5 4. e3 Nc6 5. c3 Qb6 6. b3 Bd7 7. Bd3 Rc8 8. Nbd2
cxd4 9. exd4 Nf6 10. Qe2 Be7 11. Ne5 Nxe5 12. dxe5 Ng8 13. c4 dxc4 14. Nxc4
Bb4+ 15. Bd2 Bxd2+ 16. Kxd2 Qb4+ 17. Ke3 Ne7 18. Nd6+ Kf8 19. Nxc8 Nd5+ 20. Kf3
* <T> | chess | {
"ground_truth": "['b4f4']",
"style": "rule"
} | {
"PuzzleId": "36X8m",
"FEN": "2N2k1r/pp1b1ppp/4p3/3nP3/1q6/1P1BK3/P3QPPP/R6R w - - 1 20",
"Moves": "e3f3 b4f4",
"first_move_uci": "e3f3",
"first_move_san": "Kf3",
"second_move_uci": "b4f4",
"Rating": 875,
"Themes": "mate mateIn1 middlegame oneMove",
"GameUrl": "https://lichess.org/8D5qelsL#39",
"ct... | 875 |
rl_train | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bg4 6. h3 Qh5 7. hxg4 Qxh1 8.
Ne2 Nh5 9. gxh5 Qxh5 10. Ng3 Qa5+ 11. c3 Nc6 12. Be3 O-O-O 13. Qb3 e5 14. O-O-O
exd4 15. Nxd4 Nxd4 16. Bxd4 f6 17. Qe6+ Kb8 18. Bxa7+ Qxa7 <T> | chess | {
"ground_truth": "['d1d8']",
"style": "rule"
} | {
"PuzzleId": "4fnpG",
"FEN": "1k1r1b1r/Bpp3pp/4Qp2/q7/8/2P3N1/PP3PP1/2KR1B2 b - - 0 18",
"Moves": "a5a7 d1d8",
"first_move_uci": "a5a7",
"first_move_san": "Qxa7",
"second_move_uci": "d1d8",
"Rating": 863,
"Themes": "backRankMate hangingPiece mate mateIn1 middlegame oneMove",
"GameUrl": "https://liche... | 863 |
rl_train | 1. e4 c6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bg4 6. Be2 e6 7. h3 Bh5 8. Be3 Qb6
9. Qd2 cxd4 10. cxd4 Bb4 11. Nc3 Nge7 12. O-O Nf5 13. Rfd1 Nxe3 14. fxe3 O-O
15. a3 Be7 16. b4 Rac8 17. Na4 Qc7 18. Nc5 b6 19. Nd3 Qd7 20. Rac1 Bg6 21. Nf4
Be4 22. Qb2 f6 23. Bb5 Bxf3 24. gxf3 fxe5 25. dxe5 Bh4 26. Nxd5 exd5 27. Rxd5
Qxd5 28... | chess | {
"ground_truth": "['e8f7', 'f7f8']",
"style": "rule"
} | {
"PuzzleId": "33hj4",
"FEN": "4Q1k1/p5pp/1p2K3/2b1P3/1Pr5/P6P/3r4/8 b - - 1 41",
"Moves": "c5f8 e8f7 g8h8 f7f8",
"first_move_uci": "c5f8",
"first_move_san": "Bf8",
"second_move_uci": "e8f7",
"Rating": 892,
"Themes": "deflection endgame mate mateIn2 short",
"GameUrl": "https://lichess.org/I7w61Ce0/bla... | 892 |
rl_train | 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 O-O 5. O-O d5 6. cxd5 Nxd5 7. e4 Nf6 8. e5
Nd5 9. d4 c5 10. dxc5 Nc6 11. Re1 Bg4 12. Qb3 e6 13. Bf4 Nxf4 14. gxf4 Nd4 15.
Nxd4 Qxd4 16. Qe3 Qxb2 17. Nc3 Rfd8 18. Rab1 Qd2 19. Rxb7 Qxe3 20. fxe3 Rac8
21. c6 g5 22. Nb5 gxf4 23. Nd6 fxe3 24. Nxc8 Rxc8 25. Rxe3 Bh6 26. Rc3 Bf4 27.
Rc5 <... | chess | {
"ground_truth": "['f4e3', 'e3c5']",
"style": "rule"
} | {
"PuzzleId": "1ptZq",
"FEN": "2r3k1/pR3p1p/2P1p3/4P3/5bb1/2R5/P5BP/6K1 w - - 3 27",
"Moves": "c3c5 f4e3 g1h1 e3c5",
"first_move_uci": "c3c5",
"first_move_san": "Rc5",
"second_move_uci": "f4e3",
"Rating": 844,
"Themes": "advantage endgame fork short",
"GameUrl": "https://lichess.org/RKduSMuM#53",
"c... | 844 |
rl_train | 1. e4 Nc6 2. d4 e6 3. d5 exd5 4. exd5 Nce7 5. Bc4 d6 6. Nf3 Bg4 7. h3 Bxf3 8.
Qxf3 Nf6 9. Bg5 Nd7 10. O-O Ne5 11. Qc3 Qd7 12. f4 Nxc4 13. Qxc4 f6 14. Bh4
O-O-O 15. Nc3 a6 16. a4 Nf5 17. Bf2 g5 18. g4 Nh4 19. Qd4 <T> | chess | {
"ground_truth": "['h4f3', 'f3d4']",
"style": "rule"
} | {
"PuzzleId": "32P7v",
"FEN": "2kr1b1r/1ppq3p/p2p1p2/3P2p1/P1Q2PPn/2N4P/1PP2B2/R4RK1 w - - 1 19",
"Moves": "c4d4 h4f3 g1g2 f3d4",
"first_move_uci": "c4d4",
"first_move_san": "Qd4",
"second_move_uci": "h4f3",
"Rating": 826,
"Themes": "crushing fork middlegame short",
"GameUrl": "https://lichess.org/KeA... | 826 |
rl_train | 1. g3 c6 2. Bg2 Nf6 3. c4 d5 4. cxd5 cxd5 5. Nc3 e5 6. d3 h6 7. Nf3 Bd6 8. O-O
O-O 9. Nb5 Nc6 10. Nxd6 Qxd6 11. a3 Bf5 12. b4 Rad8 13. Bb2 Qe6 14. b5 Ne7 15.
Bxe5 Bh3 16. Bxf6 gxf6 17. Qd2 Bxg2 18. Kxg2 Kh7 19. Nd4 Qg4 20. e3 Ng6 21. f3
Qh5 22. Kh1 Rg8 23. g4 Qh3 24. Qg2 Qxg2+ 25. Kxg2 Nh4+ 26. Kg3 Ng6 27. Nf5 Ne5
28. ... | chess | {
"ground_truth": "['h5h6', 'h6b6']",
"style": "rule"
} | {
"PuzzleId": "4du3L",
"FEN": "8/8/1r1k4/3p3R/7P/8/6K1/8 b - - 0 46",
"Moves": "d5d4 h5h6 d6c7 h6b6",
"first_move_uci": "d5d4",
"first_move_san": "d4",
"second_move_uci": "h5h6",
"Rating": 868,
"Themes": "crushing endgame rookEndgame short",
"GameUrl": "https://lichess.org/crth750b/black#92",
"ctx_o... | 868 |
rl_train | 1. e4 c5 2. Bc4 Nc6 3. Nf3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Nxc6 bxc6 7. Qf3 Bb7 8.
Nc3 e6 9. Bg5 Be7 10. O-O O-O 11. Rad1 Qa5 12. Bf4 d5 13. exd5 cxd5 14. Bd3 Qb4
15. b3 d4 16. Ne4 Nd5 17. Bd2 Nc3 18. Bxc3 dxc3 19. Qg4 f5 20. Qh3 fxe4 21.
Qxe6+ Kh8 22. Bc4 Bf6 23. Rd7 Rae8 24. Qd6 Qxd6 25. Rxd6 e3 26. fxe3 Rxe3 27.
Rd7 Be... | chess | {
"ground_truth": "['d7d8', 'f1f8']",
"style": "rule"
} | {
"PuzzleId": "4j1ZC",
"FEN": "5r1k/p2R2pp/5b2/6P1/2B5/1Pp1r3/P1b4P/5RK1 b - - 0 29",
"Moves": "f8d8 d7d8 f6d8 f1f8",
"first_move_uci": "f8d8",
"first_move_san": "Rd8",
"second_move_uci": "d7d8",
"Rating": 815,
"Themes": "backRankMate mate mateIn2 middlegame short",
"GameUrl": "https://lichess.org/r7R... | 815 |
rl_train | 1. e4 e6 2. Nf3 d5 3. e5 c5 4. d4 Nc6 5. Bd3 cxd4 6. O-O Nge7 7. Re1 Ng6 8.
Nxd4 Ncxe5 9. Bb5+ Bd7 10. Qh5 Bxb5 11. Rxe5 Nxe5 12. Qxe5 Qb6 13. Nf5 f6 14.
Qe1 O-O-O 15. Be3 Qc6 16. Nd4 Qa6 17. Nxb5 Qxb5 18. Bxa7 b6 19. Qc3+ Qc5 20.
Qb3 Qa5 21. Qc3+ Qxc3 22. Nxc3 Kb7 23. Nb5 Rc8 24. c3 Ka6 25. a4 e5 26. Rd1 d4
27. cxd4 e... | chess | {
"ground_truth": "['b3c2', 'c2c1']",
"style": "rule"
} | {
"PuzzleId": "448V4",
"FEN": "8/8/8/b4p1p/5P1P/1k1K2P1/3p4/3N4 w - - 1 48",
"Moves": "d3e2 b3c2 d1e3 c2c1",
"first_move_uci": "d3e2",
"first_move_san": "Ke2",
"second_move_uci": "b3c2",
"Rating": 899,
"Themes": "crushing defensiveMove endgame short",
"GameUrl": "https://lichess.org/lB0GCytb#95",
"c... | 899 |
rl_train | 1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. Nbd2 Bd6 5. Ne5 c6 6. e3 Qc7 7. Ndf3 Nfd7 8.
Nd3 Bxf4 9. Nxf4 e5 10. dxe5 Nxe5 11. Nxe5 Qxe5 12. c3 O-O 13. Bd3 c5 14. Nxd5
Rd8 15. Nf4 Nc6 16. Qc2 h6 17. O-O g5 18. Ne2 Be6 19. Ng3 c4 20. Be2 Rd7 21.
Rfd1 Rad8 22. Rxd7 Rxd7 23. a3 f5 24. Rd1 Rxd1+ 25. Qxd1 f4 26. exf4 gxf4 27.
Nf1 Kg7 ... | chess | {
"ground_truth": "['f5b1', 'b1c1']",
"style": "rule"
} | {
"PuzzleId": "1aOoZ",
"FEN": "8/1p3N1k/2b4p/p4q2/2p5/P1P5/1P1Q1PPP/6K1 w - - 8 37",
"Moves": "f7d6 f5b1 d2c1 b1c1",
"first_move_uci": "f7d6",
"first_move_san": "Nd6",
"second_move_uci": "f5b1",
"Rating": 843,
"Themes": "endgame mate mateIn2 short",
"GameUrl": "https://lichess.org/KMTTVNjO#73",
"ctx... | 843 |
rl_train | 1. e4 e5 2. Nf3 Nc6 3. c3 Bc5 4. Bc4 Nf6 5. d4 exd4 6. cxd4 Bb6 7. e5 Ng4 8.
Ng5 Nh6 9. O-O O-O 10. Nc3 Bxd4 11. Nce4 Bxe5 12. f4 Bf6 13. Nxf6+ Qxf6 14. Qc2
Qg6 15. Bd3 f5 16. Bc4+ Kh8 17. Rf3 Ne5 18. Rh3 Nxc4 19. Qxc4 d6 20. Rxh6 Qxh6
21. Nf7+ Rxf7 22. Qxf7 Be6 23. Qxc7 Rc8 24. Qxb7 Qh4 25. Be3 Qg4 26. Rc1 <T> | chess | {
"ground_truth": "['c8c1', 'g4d1']",
"style": "rule"
} | {
"PuzzleId": "4BU9N",
"FEN": "2r4k/pQ4pp/3pb3/5p2/5Pq1/4B3/PP4PP/R5K1 w - - 3 26",
"Moves": "a1c1 c8c1 e3c1 g4d1",
"first_move_uci": "a1c1",
"first_move_san": "Rc1",
"second_move_uci": "c8c1",
"Rating": 801,
"Themes": "crushing endgame short",
"GameUrl": "https://lichess.org/RJRZKzbs#51",
"ctx_orig... | 801 |
rl_train | 1. g3 d5 2. Bg2 e5 3. c4 c6 4. d4 Bd6 5. Qa4 Be6 6. cxd5 Bd7 7. dxc6 Bxc6 8.
Bxc6+ Nxc6 9. d5 Qa5+ 10. Nc3 Qxa4 11. Nxa4 Nd4 12. Kd1 Nf6 13. Nf3 O-O 14. Bg5
Nxd5 15. Nxd4 exd4 16. Rc1 b5 17. Rc6 Bb4 18. Nc5 Rac8 19. Rxc8 Rxc8 20. Na6 f6
21. Nxb4 Nxb4 22. Bf4 Kf7 23. a3 Nd5 24. e3 d3 25. Kd2 Rc2+ 26. Kxd3 Rxb2 27.
Bd6 R... | chess | {
"ground_truth": "['b3a4', 'a6a7', 'a7a8q']",
"style": "rule"
} | {
"PuzzleId": "4WA3R",
"FEN": "8/8/P4p2/r6p/R5p1/1K3k2/8/8 b - - 3 58",
"Moves": "a5a4 b3a4 g4g3 a6a7 f3f2 a7a8q",
"first_move_uci": "a5a4",
"first_move_san": "Rxa4",
"second_move_uci": "b3a4",
"Rating": 809,
"Themes": "advancedPawn crushing endgame long promotion",
"GameUrl": "https://lichess.org/Igd... | 809 |
rl_train | 1. e4 e5 2. Nf3 d6 3. Bc4 h6 4. O-O a6 5. d4 exd4 6. Nxd4 Be7 7. Nc3 c6 8. Re1
Nd7 9. Bf4 Ne5 10. Bb3 Nf6 11. Nf3 Nxf3+ 12. Qxf3 O-O 13. Rad1 Bg4 14. Qg3 Bxd1
15. Rxd1 Kh7 16. e5 Nh5 17. Qd3+ f5 18. Bc1 dxe5 19. Qh3 Qe8 20. g4 fxg4 21.
Qxg4 Qg6 22. Qxg6+ Kxg6 23. Ne4 Nf4 24. Ng3 Bh4 25. Bxf4 exf4 26. Rd6+ Kh7 27.
Nh5 R... | chess | {
"ground_truth": "['f7g6', 'c6c8']",
"style": "rule"
} | {
"PuzzleId": "3DtuD",
"FEN": "8/5Bpk/p1R4p/8/8/2P2pKP/Pr2rP2/8 b - - 2 37",
"Moves": "e2f2 f7g6 h7h8 c6c8",
"first_move_uci": "e2f2",
"first_move_san": "Rxf2",
"second_move_uci": "f7g6",
"Rating": 877,
"Themes": "endgame mate mateIn2 short",
"GameUrl": "https://lichess.org/iE2O9Zrn/black#74",
"ctx_... | 877 |
rl_train | 1. e4 e5 2. f4 d5 3. exd5 exf4 4. Nf3 Qxd5 5. Nc3 Qd8 6. d4 Bd6 7. Bc4 Nf6 8.
O-O O-O 9. b3 Bg4 10. Bb2 Nc6 11. Nb5 a6 12. Nxd6 Qxd6 13. h3 Bh5 14. Qd3 Rad8
15. d5 Bg6 16. Qd2 Ne4 17. Qd1 Qc5+ 18. Bd4 Nxd4 19. Qxd4 Qxd4+ 20. Nxd4 Nd2
21. Rxf4 Nxc4 22. bxc4 Rfe8 23. Kf2 Rd7 24. Rb1 c5 25. dxc6 bxc6 26. Nxc6 Rd2+
27. Kg3... | chess | {
"ground_truth": "['e4c5', 'c5a4']",
"style": "rule"
} | {
"PuzzleId": "4YDl9",
"FEN": "8/3k4/8/8/2P1NK2/8/r7/8 b - - 1 53",
"Moves": "a2a4 e4c5 d7e7 c5a4",
"first_move_uci": "a2a4",
"first_move_san": "Ra4",
"second_move_uci": "e4c5",
"Rating": 830,
"Themes": "crushing endgame fork short",
"GameUrl": "https://lichess.org/1BlWoKcg/black#106",
"ctx_original... | 830 |
rl_train | 1. e3 e5 2. c4 f5 3. b3 Nf6 4. Bb2 d6 5. Nf3 Be7 6. d4 e4 7. Nfd2 O-O 8. Nc3 c6
9. Be2 a6 10. O-O Kh8 11. f3 d5 12. f4 Be6 13. Rc1 Nbd7 14. Qe1 b5 15. cxd5
Bxd5 16. Nxd5 Nxd5 17. Qg3 Bb4 18. Rfd1 Rf6 19. Nf1 Rg6 20. Qf2 a5 21. a3 Be7
22. Rc2 Qb6 23. Rdc1 c5 24. a4 bxa4 25. bxa4 Nb4 26. dxc5 Bxc5 27. Rxc5 Nxc5
28. Bd4 R... | chess | {
"ground_truth": "['e5f7', 'g3g7']",
"style": "rule"
} | {
"PuzzleId": "4G4Ux",
"FEN": "r6k/6pp/8/p3Np2/Pn1B1P2/3pP1Q1/5KPP/2q5 b - - 3 36",
"Moves": "d3d2 e5f7 h8g8 g3g7",
"first_move_uci": "d3d2",
"first_move_san": "d2",
"second_move_uci": "e5f7",
"Rating": 872,
"Themes": "endgame mate mateIn2 short",
"GameUrl": "https://lichess.org/uEs3jeEU/black#72",
... | 872 |
rl_train | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bf4 Nc6 5. e3 Bd7 6. h3 Bb4+ 7. Nbd2 O-O 8. a3
Bxd2+ 9. Qxd2 Nh5 10. Bh2 a5 11. Be2 g6 12. O-O b6 13. Rac1 Nf6 14. Ne5 Nxe5
15. Bxe5 Ne4 16. Qc2 f6 17. Bh2 c5 18. f3 Ng5 19. dxc5 bxc5 20. Bd6 Rf7 21.
Bxc5 Rc8 22. Bd6 dxc4 23. Rfd1 e5 24. Bxc4 Be6 25. Bxe5 Qb6 26. Bd4 Qc6 27. b3
Bxc4 28. ... | chess | {
"ground_truth": "['a4a5', 'a5a6', 'a6a7', 'a7a8q']",
"style": "rule"
} | {
"PuzzleId": "4FyCC",
"FEN": "8/8/1K6/5p1p/P7/4k1P1/8/8 b - - 1 52",
"Moves": "e3f3 a4a5 f3g3 a5a6 f5f4 a6a7 f4f3 a7a8q",
"first_move_uci": "e3f3",
"first_move_san": "Kf3",
"second_move_uci": "a4a5",
"Rating": 844,
"Themes": "advancedPawn crushing endgame pawnEndgame promotion quietMove veryLong",
"G... | 844 |
rl_train | 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bd3 Ngf6 6. Qe2 Be7 7. Nf3 b6 8.
Neg5 O-O 9. Ne5 h6 10. h4 Bb7 11. f4 c5 12. Be3 cxd4 13. Bxd4 Nc5 14. Bxc5 bxc5
15. O-O-O Qa5 16. Bc4 Bd5 17. Rhe1 hxg5 18. hxg5 Bxc4 19. Qxc4 Nd5 20. Nc6 Qc7
21. Qxd5 Qxf4+ 22. Kb1 Bxg5 23. Qxc5 Rac8 24. Rh1 Qc7 25. Qxg5 Qxc6 26. Rd2 Qe4
27.... | chess | {
"ground_truth": "['d2d8', 'd1d8']",
"style": "rule"
} | {
"PuzzleId": "20C5A",
"FEN": "2r3k1/p1r3p1/4pp2/7Q/4q3/P7/1PPR2P1/K2R4 b - - 4 30",
"Moves": "e4h7 d2d8 c8d8 d1d8",
"first_move_uci": "e4h7",
"first_move_san": "Qh7",
"second_move_uci": "d2d8",
"Rating": 858,
"Themes": "endgame master mate mateIn2 short",
"GameUrl": "https://lichess.org/AbFv3KfW/blac... | 858 |
rl_train | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 bxc6 6. Bd3 d6 7. O-O Rb8 8.
Nc3 Nf6 9. Na4 Bd4 10. c3 Bb6 11. Nxb6 Rxb6 12. Bg5 Rxb2 13. Qa4 Bd7 14. Rab1
Rxb1 15. Rxb1 O-O 16. Qxa7 h6 17. Bh4 g5 18. Bg3 Nh5 19. Rb7 Nxg3 20. hxg3 c5
21. Rxc7 Be6 22. f4 gxf4 23. gxf4 Qf6 24. f5 Qxc3 25. fxe6 Qxd3 26. exf7+ Kg7
27. Qa... | chess | {
"ground_truth": "['c7f7', 'a4a5']",
"style": "rule"
} | {
"PuzzleId": "4X9EE",
"FEN": "5r2/2R2P2/3p2kp/2p5/P7/8/6P1/6K1 b - - 0 31",
"Moves": "f8f7 c7f7 g6f7 a4a5",
"first_move_uci": "f8f7",
"first_move_san": "Rxf7",
"second_move_uci": "c7f7",
"Rating": 893,
"Themes": "crushing defensiveMove endgame rookEndgame short",
"GameUrl": "https://lichess.org/hBmyV... | 893 |
rl_train | 1. c4 f5 2. d4 Nf6 3. Nf3 e6 4. Bf4 Be7 5. e3 O-O 6. Be2 b6 7. O-O Bb7 8. Nc3
d6 9. h3 Na6 10. a3 c5 11. Qc2 Ne4 12. Rfd1 g5 13. Bh2 Qe8 14. dxc5 Naxc5 15.
b4 g4 16. bxc5 Nxc3 17. Nd4 Nxd1 18. Rxd1 dxc5 19. Nxe6 Qc6 20. Nxf8 <T> | chess | {
"ground_truth": "['c6g2']",
"style": "rule"
} | {
"PuzzleId": "1xqGC",
"FEN": "r4rk1/pb2b2p/1pq1N3/2p2p2/2P3p1/P3P2P/2Q1BPPB/3R2K1 w - - 1 20",
"Moves": "e6f8 c6g2",
"first_move_uci": "e6f8",
"first_move_san": "Nxf8",
"second_move_uci": "c6g2",
"Rating": 817,
"Themes": "middlegame",
"GameUrl": "https://lichess.org/tnz5Evn8#39",
"ctx_original": "1... | 817 |
rl_train | 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 Nc6 5. h3 e5 6. dxe5 Nxe5 7. O-O b6 8. Nxe5
Bxe5 9. Qd5 Be6 10. Qb5+ Qd7 11. Qb3 Nf6 12. f4 Bd4+ 13. Kh1 Bxh3 14. Qxh3
Qxh3+ 15. gxh3 Nxe4 16. Re1 f5 17. Bd5 O-O-O 18. Bxe4 fxe4 19. Rxe4 Rhe8 20.
Rxe8 Rxe8 21. c3 Re1+ 22. Kg2 Rxc1 23. cxd4 Kd7 24. h4 a5 25. a4 Ke6 26. Kf3
Kf5 27. Kg3... | chess | {
"ground_truth": "['d2f3', 'f3h2']",
"style": "rule"
} | {
"PuzzleId": "2jXCY",
"FEN": "8/8/1p4pp/p1p5/P6k/RPK5/3N3r/8 b - - 1 41",
"Moves": "g6g5 d2f3 h4h3 f3h2",
"first_move_uci": "g6g5",
"first_move_san": "g5",
"second_move_uci": "d2f3",
"Rating": 824,
"Themes": "advantage endgame fork short",
"GameUrl": "https://lichess.org/8vED8VQb/black#82",
"ctx_or... | 824 |
rl_train | 1. c4 Nf6 2. Nc3 e6 3. e3 c5 4. d4 Be7 5. Nf3 O-O 6. Bd3 b6 7. h4 Bb7 8. h5 h6
9. Bd2 d5 10. Qb3 Nc6 11. cxd5 exd5 12. dxc5 Bxc5 13. Na4 Be7 14. Rc1 Rc8 15.
Bb1 Qd6 16. Qd3 Rfd8 17. Bc3 Ne4 18. b3 Nxc3 <T> | chess | {
"ground_truth": "['d3h7', 'h7h8']",
"style": "rule"
} | {
"PuzzleId": "36PcM",
"FEN": "2rr2k1/pb2bpp1/1pnq3p/3p3P/N3n3/1PBQPN2/P4PP1/1BR1K2R b K - 0 18",
"Moves": "e4c3 d3h7 g8f8 h7h8",
"first_move_uci": "e4c3",
"first_move_san": "Nxc3",
"second_move_uci": "d3h7",
"Rating": 817,
"Themes": "kingsideAttack mate mateIn2 middlegame short",
"GameUrl": "https://... | 817 |
rl_train | 1. b3 e5 2. Bb2 Nc6 3. e3 a6 4. d3 d5 5. g3 Bb4+ 6. Nd2 Nf6 7. h3 O-O 8. Bg2 d4
9. a3 Ba5 10. b4 dxe3 11. bxa5 exd2+ 12. Qxd2 Nd4 13. Ne2 c5 14. O-O Re8 15.
Nxd4 exd4 16. Rfe1 Be6 17. Rab1 Rb8 18. Ba1 Qc7 19. Rb2 Bd5 20. Rxe8+ Rxe8 21.
Rb1 Qc6 22. Rb6 Qd7 23. Rxf6 gxf6 24. c3 Bxg2 25. Kxg2 Rd8 26. cxd4 cxd4 27.
Qf4 Qc6... | chess | {
"ground_truth": "['g4g7']",
"style": "rule"
} | {
"PuzzleId": "2wAXM",
"FEN": "7k/1p1r3p/p4p1P/P2q4/3p2Q1/P2P2P1/5P1K/B7 b - - 0 34",
"Moves": "d7d8 g4g7",
"first_move_uci": "d7d8",
"first_move_san": "Rd8",
"second_move_uci": "g4g7",
"Rating": 803,
"Themes": "endgame mate mateIn1 oneMove",
"GameUrl": "https://lichess.org/u8DbAt7x/black#68",
"ctx_... | 803 |
rl_train | 1. e4 e5 2. Nf3 Nc6 3. c4 Bc5 4. d3 h6 5. Be2 Nf6 6. Nc3 d6 7. Be3 Bb6 8. O-O
Bg4 9. h3 Bh5 10. Nh4 Bxe2 11. Qxe2 Nxe4 12. Nxe4 Qxh4 13. Bxb6 cxb6 14. Qf3
Nd4 15. Qg4 Qxg4 16. hxg4 O-O 17. f4 f5 18. Nxd6 Ne2+ 19. Kh2 Nxf4 20. gxf5
Nxd3 21. Nxb7 Nxb2 22. c5 bxc5 23. Nxc5 Rac8 24. Ne4 Nd3 25. f6 Rc4 26. Nd6 Rd4
27. f7+ K... | chess | {
"ground_truth": "['e5g4', 'g4e3']",
"style": "rule"
} | {
"PuzzleId": "1bIVe",
"FEN": "5r2/p4Ppk/7p/3Nn3/8/4pR2/P5PK/8 w - - 2 34",
"Moves": "f3e3 e5g4 h2g3 g4e3",
"first_move_uci": "f3e3",
"first_move_san": "Rxe3",
"second_move_uci": "e5g4",
"Rating": 805,
"Themes": "crushing endgame fork short",
"GameUrl": "https://lichess.org/IB6m7CeP#67",
"ctx_origin... | 805 |
rl_train | 1. g3 c6 2. Bg2 d5 3. d4 Nf6 4. c3 g6 5. Nf3 Bg7 6. O-O O-O 7. Bg5 Nbd7 8. Qc1
Re8 9. Nbd2 e5 10. e4 dxe4 11. Nxe4 Qc7 12. Nxf6+ Nxf6 13. Bxf6 Bxf6 14. dxe5
Bxe5 15. Nxe5 Rxe5 16. Re1 Rxe1+ 17. Qxe1 Be6 18. Qd2 Rd8 19. Qe3 b6 20. b3 Bd5
21. Bf1 Be6 22. c4 c5 23. Re1 Qd6 24. Bg2 Qd4 25. Qg5 Rd7 26. Qh6 Qg7 27. Qf4
Rd4 2... | chess | {
"ground_truth": "['e4a8', 'a8c8', 'c8d8']",
"style": "rule"
} | {
"PuzzleId": "4MRep",
"FEN": "6k1/5p1p/1p2b1pP/2p5/2P1Q3/1P4P1/1q3rBK/8 b - - 0 39",
"Moves": "b2f6 e4a8 e6c8 a8c8 f6d8 c8d8",
"first_move_uci": "b2f6",
"first_move_san": "Qf6",
"second_move_uci": "e4a8",
"Rating": 809,
"Themes": "endgame long mate mateIn3",
"GameUrl": "https://lichess.org/WpesKyTG/b... | 809 |
rl_train | 1. d4 e6 2. c4 d5 3. Nf3 c5 4. dxc5 Bxc5 5. cxd5 exd5 6. e3 Nf6 7. Bb5+ Bd7 8.
Bxd7+ Nbxd7 9. a3 a6 10. b4 Ba7 11. Bb2 O-O 12. O-O Rc8 13. Nc3 Nb8 14. Qd3 Qd6
15. Rfd1 Rfd8 16. Rd2 Nc6 17. Rad1 Ne7 18. e4 d4 19. e5 Qc7 20. exf6 dxc3 21.
Qxd8+ Rxd8 <T> | chess | {
"ground_truth": "['d2d8', 'd1d8']",
"style": "rule"
} | {
"PuzzleId": "2DttY",
"FEN": "2rQ2k1/bpq1nppp/p4P2/8/1P6/P1p2N2/1B1R1PPP/3R2K1 b - - 0 21",
"Moves": "c8d8 d2d8 c7d8 d1d8",
"first_move_uci": "c8d8",
"first_move_san": "Rxd8",
"second_move_uci": "d2d8",
"Rating": 892,
"Themes": "kingsideAttack mate mateIn2 middlegame short",
"GameUrl": "https://liche... | 892 |
rl_train | 1. e4 e5 2. Nf3 d6 3. Bc4 h6 4. O-O Nf6 5. d3 Be7 6. Nc3 c6 7. Ne2 O-O 8. c3
Bg4 9. Ng3 b5 10. Bb3 a5 11. h3 Bxf3 12. Qxf3 a4 13. Bc2 Na6 14. Nf5 Kh7 15. d4
Ng8 16. Qg3 Bf6 17. dxe5 Bxe5 18. Bf4 Bxf4 <T> | chess | {
"ground_truth": "['g3g7']",
"style": "rule"
} | {
"PuzzleId": "1Cw5X",
"FEN": "r2q1rn1/5ppk/n1pp3p/1p2bN2/p3PB2/2P3QP/PPB2PP1/R4RK1 b - - 1 18",
"Moves": "e5f4 g3g7",
"first_move_uci": "e5f4",
"first_move_san": "Bxf4",
"second_move_uci": "g3g7",
"Rating": 840,
"Themes": "mate mateIn1 middlegame oneMove",
"GameUrl": "https://lichess.org/wIjVrMnI/bla... | 840 |
rl_train | 1. e4 c5 2. c3 e6 3. d4 cxd4 4. cxd4 d6 5. Nf3 a6 6. Nc3 Be7 7. Be3 Nf6 8. h3
O-O 9. Bd3 Nc6 10. O-O Bd7 11. Rc1 Rc8 12. a3 h6 13. Re1 Re8 14. d5 Ne5 15.
Nxe5 dxe5 16. Qb3 exd5 17. exd5 b5 18. a4 bxa4 19. Nxa4 Qa5 20. Nc3 Rcd8 21.
Bb6 Rb8 22. Bxa5 Rxb3 23. Rxe5 Rxb2 24. Rce1 Bc5 25. Rxe8+ Bxe8 26. Re2 Rb3 27.
Bxa6 Ra3 ... | chess | {
"ground_truth": "['a3a1', 'a1e1']",
"style": "rule"
} | {
"PuzzleId": "2sX4l",
"FEN": "3Bb1k1/5pp1/B2b1n1p/3P4/8/r1N4P/4RPP1/6K1 w - - 3 29",
"Moves": "d8f6 a3a1 e2e1 a1e1",
"first_move_uci": "d8f6",
"first_move_san": "Bxf6",
"second_move_uci": "a3a1",
"Rating": 820,
"Themes": "crushing fork middlegame short",
"GameUrl": "https://lichess.org/P2sELeRJ#57",
... | 820 |
rl_train | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. Bxd7+ Bxd7 5. O-O e5 6. Re1 Nf6 7. c3 Bc6 8.
d3 Be7 9. Bg5 Nd7 10. Nbd2 <T> | chess | {
"ground_truth": "['e7g5', 'd8g5']",
"style": "rule"
} | {
"PuzzleId": "448IT",
"FEN": "r2qk2r/pp1nbppp/2bp4/2p1p1B1/4P3/2PP1N2/PP3PPP/RN1QR1K1 w kq - 3 10",
"Moves": "b1d2 e7g5 f3g5 d8g5",
"first_move_uci": "b1d2",
"first_move_san": "Nbd2",
"second_move_uci": "e7g5",
"Rating": 883,
"Themes": "advantage master opening short",
"GameUrl": "https://lichess.org... | 883 |
rl_train | 1. d4 d5 2. c4 dxc4 3. Bf4 Bf5 4. e3 e6 5. Nf3 Bg4 6. Nc3 c6 7. Bxc4 Nf6 8. O-O
Be7 9. a4 Nbd7 10. Qb3 Bxf3 11. gxf3 b6 12. Kh1 O-O 13. Rg1 g6 14. e4 Kg7 15.
Ne2 Nh5 16. Be3 h6 17. Rg4 Ndf6 18. Rg2 Nh7 19. Qc2 Bg5 20. f4 Be7 21. Bd3 Kh8
22. Rag1 Rg8 23. e5 Nf8 24. f5 exf5 25. Bxh6 Kh7 26. Be3 Qd5 27. Bxf5 Ne6 28.
Be4 Q... | chess | {
"ground_truth": "['c8h3']",
"style": "rule"
} | {
"PuzzleId": "3VATG",
"FEN": "2Q2nk1/p5r1/1p1q1pp1/3B4/P3P3/8/1P5P/6RK b - - 1 40",
"Moves": "g8h7 c8h3",
"first_move_uci": "g8h7",
"first_move_san": "Kh7",
"second_move_uci": "c8h3",
"Rating": 843,
"Themes": "endgame mate mateIn1 oneMove",
"GameUrl": "https://lichess.org/NmkEvk1w/black#80",
"ctx_o... | 843 |
rl_train | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc5 5. d3 d6 6. h3 h6 7. Nc3 Bd7 8. Be3
Bxe3 9. fxe3 a6 10. Bc4 b5 11. Bb3 Na5 12. Qe1 Nxb3 13. axb3 Qc8 14. Kh2 g5 15.
Nd5 Nxd5 16. exd5 g4 17. Nh4 Rg8 18. Qf2 <T> | chess | {
"ground_truth": "['g4g3', 'g8g3']",
"style": "rule"
} | {
"PuzzleId": "2cLTs",
"FEN": "r1q1k1r1/2pb1p2/p2p3p/1p1Pp3/6pN/1P1PP2P/1PP3PK/R3QR2 w q - 2 18",
"Moves": "e1f2 g4g3 f2g3 g8g3",
"first_move_uci": "e1f2",
"first_move_san": "Qf2",
"second_move_uci": "g4g3",
"Rating": 871,
"Themes": "crushing fork middlegame short",
"GameUrl": "https://lichess.org/1gv... | 871 |
rl_train | 1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 cxb2 5. Bxb2 d6 6. Qb3 Qe7 7. Ne2 b6 8.
Nbc3 Be6 9. O-O Nf6 10. Nd5 Bxd5 11. exd5 Nbd7 12. Nd4 Ne5 13. f4 O-O-O 14.
fxe5 dxe5 15. Nc6 Qc5+ 16. Kh1 Rd6 17. Bxe5 Rxc6 18. dxc6 Qxe5 19. Bxf7 Bc5 20.
Be6+ Kb8 21. a4 Ne4 22. Rae1 Nf2+ 23. Rxf2 <T> | chess | {
"ground_truth": "['e5e1', 'e1f1']",
"style": "rule"
} | {
"PuzzleId": "4KAdw",
"FEN": "1k5r/p1p3pp/1pP1B3/2b1q3/P7/1Q6/5nPP/4RR1K w - - 3 23",
"Moves": "f1f2 e5e1 f2f1 e1f1",
"first_move_uci": "f1f2",
"first_move_san": "Rxf2",
"second_move_uci": "e5e1",
"Rating": 858,
"Themes": "fork hangingPiece mate mateIn2 middlegame short",
"GameUrl": "https://lichess.... | 858 |
rl_train | 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. e4 d5 5. cxd5 cxd5 6. exd5 Nxd5 7. Nc3 Be6 8.
Nf3 Nc6 9. O-O Nxc3 10. bxc3 Be7 11. Re1 O-O 12. Nxe5 Nxe5 13. Rxe5 Bf6 14. Rb5
Bxc3 15. Ba3 Bxa1 16. Bxf8 Kxf8 17. Qxa1 Qxd2 18. Rxb7 Qxa2 19. Qd4 a5 20.
Rxf7+ Kxf7 21. Bxa8 Qb1+ 22. Kg2 Qb4 23. Qa7+ Kf6 24. h4 a4 25. Qe3 Qb3 26.
Qg5+ Kf7 27... | chess | {
"ground_truth": "['h5e8']",
"style": "rule"
} | {
"PuzzleId": "2caYc",
"FEN": "B7/5kpp/4b3/7Q/p6P/1q4P1/5PK1/8 b - - 5 27",
"Moves": "f7g8 h5e8",
"first_move_uci": "f7g8",
"first_move_san": "Kg8",
"second_move_uci": "h5e8",
"Rating": 832,
"Themes": "endgame mate mateIn1 oneMove",
"GameUrl": "https://lichess.org/FMs2HnpV/black#54",
"ctx_original":... | 832 |
rl_train | 1. e4 e6 2. f4 d5 3. e5 f6 4. d4 fxe5 5. dxe5 Ne7 6. Nf3 c6 7. Nc3 b6 8. Bd3
Nd7 9. Ng5 Nc5 10. Qh5+ g6 11. Bxg6+ Nxg6 12. O-O Kd7 13. Nf7 Qe8 14. Nxh8 Nxh8
15. Qxh7+ Be7 16. f5 Ba6 17. fxe6+ Nxe6 18. Rf3 Qg8 19. Qh6 Nf7 20. Qh3 Qh8 21.
Rxf7 Qxh3 22. gxh3 Rg8+ 23. Kf2 Ke8 24. Rf3 Bc5+ 25. Be3 d4 26. Ke1 dxe3 27.
Ne2 Nd... | chess | {
"ground_truth": "['f1f6', 'f6g6']",
"style": "rule"
} | {
"PuzzleId": "2dSuX",
"FEN": "8/p3k3/1pp3b1/4P3/3b2P1/4p2P/PP6/3K1R2 b - - 4 35",
"Moves": "e7e6 f1f6 e6e5 f6g6",
"first_move_uci": "e7e6",
"first_move_san": "Ke6",
"second_move_uci": "f1f6",
"Rating": 805,
"Themes": "advantage endgame fork short",
"GameUrl": "https://lichess.org/67SlugtP/black#70",
... | 805 |
rl_train | 1. d4 d5 2. c4 Bf5 3. cxd5 Qxd5 4. Nc3 Qd8 5. Qb3 b6 6. e3 Bd7 7. Bb5 Nf6 8.
Nf3 e6 9. O-O Bd6 10. Bxd7+ Nbxd7 11. Nb5 O-O 12. Nxd6 cxd6 13. Bd2 d5 14. Rac1
h6 15. Bb4 Re8 16. Bd6 Nf8 17. Bc7 Qd7 18. Ne5 Qe7 19. Rc6 Rac8 20. Rfc1 Ne4
21. f3 Nd2 22. Qc3 Nc4 23. Nxc4 Rxc7 24. Na5 Rd7 25. Nb3 Qg5 26. Nd2 Ng6 27. f4
Qg4 28... | chess | {
"ground_truth": "['c2h7']",
"style": "rule"
} | {
"PuzzleId": "4loYo",
"FEN": "3rr1k1/5R2/1p2p2p/3pNnq1/3P2P1/4p3/PPQ4P/2R3K1 b - - 0 37",
"Moves": "f5d4 c2h7",
"first_move_uci": "f5d4",
"first_move_san": "Nxd4",
"second_move_uci": "c2h7",
"Rating": 867,
"Themes": "mate mateIn1 middlegame oneMove",
"GameUrl": "https://lichess.org/oSHw84ub/black#74"... | 867 |
rl_train | 1. e4 g6 2. Nf3 Bg7 3. d4 e5 4. d5 Nc6 5. dxc6 bxc6 6. Nc3 Bb7 7. Bc4 Ne7 8.
Ng5 O-O 9. Qf3 d5 10. exd5 cxd5 11. Bb3 a5 12. a3 Rb8 13. O-O d4 14. Nce4 Kh8
15. Qh3 h6 16. Nxf7+ Rxf7 17. Bxf7 Bxe4 18. Bxh6 Bf5 19. Qh4 Qf8 20. Bg5+ Bh6
21. Bxe7 Qxf7 22. Qxh6+ Kg8 23. Bg5 Rxb2 24. Rfe1 Rxc2 25. Rab1 Bc8 26. Rb8 <T> | chess | {
"ground_truth": "['f7f2', 'f2e1']",
"style": "rule"
} | {
"PuzzleId": "2yrLC",
"FEN": "2b3k1/2p2q2/6pQ/p3p1B1/3p4/P7/2r2PPP/1R2R1K1 w - - 2 26",
"Moves": "b1b8 f7f2 g1h1 f2e1",
"first_move_uci": "b1b8",
"first_move_san": "Rb8",
"second_move_uci": "f7f2",
"Rating": 822,
"Themes": "fork mate mateIn2 middlegame short",
"GameUrl": "https://lichess.org/RBVYca94... | 822 |
rl_train | 1. e4 e6 2. Nf3 d5 3. Nc3 d4 4. Ne2 c5 5. c3 d3 6. Nf4 c4 7. Qa4+ Bd7 8. Qxc4
a6 9. Qxd3 Qc7 10. Qe3 Bc5 11. d4 Be7 12. Bd3 Nf6 13. O-O Ng4 14. Qd2 Nc6 15.
e5 h5 16. h3 g5 17. Ne2 O-O-O 18. Nxg5 f6 19. Nf7 fxe5 20. Nxd8 e4 21. Nxc6 <T> | chess | {
"ground_truth": "['c7h2']",
"style": "rule"
} | {
"PuzzleId": "49TUi",
"FEN": "2kN3r/1pqbb3/p1n1p3/7p/3Pp1n1/2PB3P/PP1QNPP1/R1B2RK1 w - - 0 21",
"Moves": "d8c6 c7h2",
"first_move_uci": "d8c6",
"first_move_san": "Nxc6",
"second_move_uci": "c7h2",
"Rating": 825,
"Themes": "mate mateIn1 middlegame oneMove",
"GameUrl": "https://lichess.org/h2s13wWT#41"... | 825 |
rl_train | 1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd1 e5 5. Nc3 Nf6 6. Nf3 Bb4 7. Bd2 Bxc3 8.
Bxc3 d6 9. Nd2 O-O 10. Be2 Be6 11. O-O Re8 12. Bd3 d5 13. b3 d4 14. Bb2 a5 15.
f4 exf4 16. Rxf4 Rc8 17. Qf3 Ne5 18. Qe2 Bg4 19. Qf1 Qc7 20. Rf2 Nxd3 21. cxd3
Be6 22. Bxd4 Ng4 23. Rf4 Qc2 24. Nc4 Bxc4 25. dxc4 Ne5 26. Qe1 Rcd8 27. Bxe5
Rxe5 2... | chess | {
"ground_truth": "['h4d8', 'd8e8']",
"style": "rule"
} | {
"PuzzleId": "2E1j8",
"FEN": "6k1/1p3ppp/8/p3r3/2P1P2Q/1P6/P1q3PP/R2r1RK1 b - - 3 29",
"Moves": "d1a1 h4d8 e5e8 d8e8",
"first_move_uci": "d1a1",
"first_move_san": "Rxa1",
"second_move_uci": "h4d8",
"Rating": 878,
"Themes": "endgame mate mateIn2 short",
"GameUrl": "https://lichess.org/4Lt5vUz0/black#5... | 878 |
rl_train | 1. d4 g6 2. c4 Bg7 3. Nc3 e6 4. e4 Ne7 5. Nf3 Kf8 6. Bg5 h6 7. Be3 d5 8. cxd5
exd5 9. e5 Nf5 10. Bc1 Nc6 11. Bb5 Ke7 12. Bxc6 bxc6 13. O-O Re8 14. Re1 Kf8
15. Bf4 Bb7 16. b4 Qe7 17. a3 Kg8 18. Rc1 Nh4 19. b5 cxb5 20. Nxb5 c6 21. Nd6
Nxf3+ 22. Qxf3 Red8 23. Nxb7 Qxb7 24. e6 fxe6 25. Rxe6 Kh7 26. h4 Rac8 27. h5
g5 28. Be... | chess | {
"ground_truth": "['f7f1', 'f8f1']",
"style": "rule"
} | {
"PuzzleId": "3KPz8",
"FEN": "5rk1/p4rbR/2p3QP/3pB1p1/3P3q/P7/6P1/1R5K w - - 2 36",
"Moves": "e5h2 f7f1 b1f1 f8f1",
"first_move_uci": "e5h2",
"first_move_san": "Bh2",
"second_move_uci": "f7f1",
"Rating": 880,
"Themes": "mate mateIn2 middlegame short",
"GameUrl": "https://lichess.org/5m71zZC4#71",
"... | 880 |
rl_train | 1. d4 Nf6 2. Nc3 d5 3. Bg5 h6 4. Bh4 e6 5. e3 Bb4 6. Bd3 c5 7. dxc5 g5 8. Bg3
Nc6 9. Nf3 Bd7 10. Ne5 Nxe5 11. Bxe5 Rg8 12. Qf3 Bxc5 13. Bxf6 Qb6 14. Nxd5
exd5 15. Qxd5 Be6 16. Qe4 Bb4+ 17. Ke2 Rc8 18. Qh7 Kd7 19. Qxh6 Bg4+ 20. f3
Rce8 21. Bxg5 Be6 22. Qh4 Rg6 23. a3 Bc5 24. Qa4+ Kc8 25. Bf4 Reg8 26. g3 Bd6
27. Bxg6 Rxg... | chess | {
"ground_truth": "['c6c2', 'c2d2']",
"style": "rule"
} | {
"PuzzleId": "4TT4S",
"FEN": "8/pp2Qp2/1kq3r1/1b6/5P2/PP2PP2/2P2K1P/R2R4 w - - 1 34",
"Moves": "a3a4 c6c2 d1d2 c2d2",
"first_move_uci": "a3a4",
"first_move_san": "a4",
"second_move_uci": "c6c2",
"Rating": 889,
"Themes": "endgame mate mateIn2 short",
"GameUrl": "https://lichess.org/4ZOxvikG#67",
"ct... | 889 |
rl_train | 1. b3 e5 2. Bb2 d6 3. g3 Nf6 4. Bg2 Nc6 5. c4 Be7 6. d3 Be6 7. e4 h6 8. Ne2 a6
9. O-O O-O 10. h3 Nh7 11. d4 f5 12. d5 f4 13. gxf4 exf4 14. f3 Bd7 15. dxc6
Bxc6 16. Nbc3 Bg5 17. Nd5 Rc8 18. Qd4 Rf7 19. Rad1 Qe8 20. Kh2 Nf6 21. Rg1 Nxd5
22. cxd5 Bd7 23. Bh1 Kh7 24. Qd2 Qe7 25. Bd4 Bh4 26. Nxf4 Bg5 27. Be3 Bxf4+ 28.
Bxf4 ... | chess | {
"ground_truth": "['h4h3']",
"style": "rule"
} | {
"PuzzleId": "4IeRE",
"FEN": "2r5/1ppb1rpk/p2p3p/3P4/4PB1q/1P3P1P/P2Q3K/3R2RB w - - 1 29",
"Moves": "f4g3 h4h3",
"first_move_uci": "f4g3",
"first_move_san": "Bg3",
"second_move_uci": "h4h3",
"Rating": 855,
"Themes": "master mate mateIn1 middlegame oneMove",
"GameUrl": "https://lichess.org/Zqfh4yWr#57... | 855 |
rl_train | 1. e4 c5 2. Nf3 d6 3. Bc4 g6 4. O-O Bg7 5. Nc3 Nf6 6. e5 Nfd7 7. exd6 exd6 8.
Re1+ Ne5 9. d4 cxd4 10. Nxd4 O-O 11. Bb3 Bg4 12. f3 Be6 13. Nxe6 fxe6 14. Bxe6+
Kh8 15. Bf4 Nbc6 16. Nb5 Qb6+ 17. Kh1 Qxb5 18. Qxd6 Rad8 19. Qa3 a6 20. Bxe5
Nxe5 21. b3 Qc6 22. Rad1 Qxe6 23. Rxd8 Rxd8 24. f4 Ng4 25. Rxe6 <T> | chess | {
"ground_truth": "['d8d1', 'd1e1']",
"style": "rule"
} | {
"PuzzleId": "24yk2",
"FEN": "3r3k/1p4bp/p3q1p1/8/5Pn1/QP6/P1P3PP/4R2K w - - 1 25",
"Moves": "e1e6 d8d1 e6e1 d1e1",
"first_move_uci": "e1e6",
"first_move_san": "Rxe6",
"second_move_uci": "d8d1",
"Rating": 825,
"Themes": "endgame mate mateIn2 short",
"GameUrl": "https://lichess.org/hH11r7Yv#49",
"ct... | 825 |
rl_train | 1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. Nc3 Nf6 5. d4 Nc6 6. Bg5 Be7 7. Bb5 Bf5 8.
Ne5 Qd6 9. Bxc6+ bxc6 10. O-O O-O 11. Qf3 Bxc2 12. Qg3 Ne4 13. Nxe4 Bxe4 14.
Bxe7 Qxe7 15. Nxc6 Qe6 16. Na5 Qb6 17. Nb3 c6 18. f3 Bd3 19. Rfd1 Bc4 20. f4
Bxb3 21. Qxb3 Qxb3 22. axb3 Rfb8 23. Ra3 Rb6 24. g3 a6 25. Rd3 Rab8 26. Kf2 Kf8
27. Kf3 ... | chess | {
"ground_truth": "['f6g5', 'b8h8']",
"style": "rule"
} | {
"PuzzleId": "3RXXF",
"FEN": "1r6/8/prp2p2/3p1kpp/3P1P1K/RP2R1PP/1P6/8 w - - 0 34",
"Moves": "f4g5 f6g5 h4h5 b8h8",
"first_move_uci": "f4g5",
"first_move_san": "fxg5",
"second_move_uci": "f6g5",
"Rating": 871,
"Themes": "endgame mate mateIn2 rookEndgame short",
"GameUrl": "https://lichess.org/SsRnxC5... | 871 |
rl_train | 1. d4 d5 2. c4 c6 3. Nc3 e6 4. Nf3 Nf6 5. Bg5 Bb4 6. e3 O-O 7. Bd3 dxc4 8. Bxc4
c5 9. dxc5 Qxd1+ 10. Rxd1 Bxc3+ 11. bxc3 Ne4 12. Be7 Re8 13. Bd6 Nc6 14. Rd3
Na5 15. Bb5 Rd8 16. O-O a6 17. Ba4 Nxc5 18. Bxc5 Rxd3 19. h3 Rxc3 20. Bb4 Rc4
21. a3 Nc6 22. Bb3 Rxb4 23. axb4 Nxb4 24. Rb1 b5 25. Bd1 Nd5 26. Nd4 Bd7 27. f4
Nxe3 ... | chess | {
"ground_truth": "['a7a1', 'a1b1']",
"style": "rule"
} | {
"PuzzleId": "3x3TM",
"FEN": "8/r6p/6p1/8/8/4k2P/1R4P1/3K4 w - - 0 51",
"Moves": "d1e1 a7a1 b2b1 a1b1",
"first_move_uci": "d1e1",
"first_move_san": "Ke1",
"second_move_uci": "a7a1",
"Rating": 836,
"Themes": "endgame mate mateIn2 rookEndgame short",
"GameUrl": "https://lichess.org/ZezaSKKw#101",
"ct... | 836 |
rl_train | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8.
Qf3 Be7 9. Bxc6+ Nxc6 10. Qxc6+ Bd7 11. Qf3 O-O 12. Nc3 h6 13. Nge4 Nxe4 14.
Qxe4 f5 15. Qxe5 Re8 16. O-O Bf6 17. Qd5+ Kh8 18. d3 Qc7 19. Bd2 Bc6 20. Qxf5
Qb7 21. b3 Bxg2 22. Rfe1 Rec8 23. Ne4 Bxe4 24. dxe4 Bxa1 25. Rxa1 Rxc2 26. Be3
Re8 27... | chess | {
"ground_truth": "['e5d6', 'd6d7']",
"style": "rule"
} | {
"PuzzleId": "21j06",
"FEN": "8/8/3Rr3/1P2P1p1/Pr4k1/6B1/5PK1/8 b - - 6 41",
"Moves": "e6d6 e5d6 g4f5 d6d7",
"first_move_uci": "e6d6",
"first_move_san": "Rxd6",
"second_move_uci": "e5d6",
"Rating": 881,
"Themes": "advancedPawn crushing endgame short",
"GameUrl": "https://lichess.org/MEwjANBS/black#82... | 881 |
rl_train | 1. d4 e5 2. dxe5 d6 3. Bf4 Nc6 4. exd6 Bxd6 5. Bxd6 cxd6 6. e4 Be6 7. Nc3 Nf6
8. Bb5 O-O 9. Nf3 Bg4 10. Be2 Qa5 11. Nd2 Bxe2 12. Qxe2 Nd4 13. Qd3 Nc6 14. O-O
Rad8 15. Nc4 Qc7 16. Rad1 Ne5 17. Nxe5 dxe5 18. Qg3 Rde8 19. Rd2 Qc4 20. Qd3
Qb4 21. Nd1 h6 22. a3 Qxe4 23. Qxe4 Nxe4 24. Rd7 Rb8 25. Re1 Nf6 26. Re7 e4 27.
Nc3 R... | chess | {
"ground_truth": "['g2h3', 'h3g3', 'h4h3', 'h3h2', 'h2h1q']",
"style": "rule"
} | {
"PuzzleId": "4aqPr",
"FEN": "8/8/8/5K2/5p1p/5P1P/6k1/8 w - - 0 66",
"Moves": "f5f4 g2h3 f4g5 h3g3 f3f4 h4h3 f4f5 h3h2 f5f6 h2h1q",
"first_move_uci": "f5f4",
"first_move_san": "Kxf4",
"second_move_uci": "g2h3",
"Rating": 873,
"Themes": "advancedPawn crushing endgame pawnEndgame promotion veryLong",
"... | 873 |
rl_train | 1. e4 Nf6 2. e5 Nd5 3. Nf3 d6 4. exd6 Qxd6 5. d4 Nc6 6. Bc4 Nb6 7. Bb5 Qb4+ 8.
Nc3 Bd7 9. a3 Qd6 10. Bxc6 Bxc6 11. Ne5 Qe6 12. O-O O-O-O 13. Re1 f6 14. Nxc6
Qxc6 15. a4 e5 16. Be3 Nc4 17. Nb5 Kb8 18. Qb1 exd4 19. Bxd4 a6 20. Ba7+ Kc8
21. b3 axb5 22. bxc4 Qxc4 23. axb5 Kd7 24. b6 c6 25. Qd1+ Bd6 26. Ra3 Kc8 27.
Rd3 Be5 ... | chess | {
"ground_truth": "['e7c7']",
"style": "rule"
} | {
"PuzzleId": "4KTnd",
"FEN": "2kr4/Bp2R1p1/1Pp4p/5p2/2q4P/2b3P1/2P2P2/2Q3K1 b - - 0 32",
"Moves": "c3f6 e7c7",
"first_move_uci": "c3f6",
"first_move_san": "Bf6",
"second_move_uci": "e7c7",
"Rating": 848,
"Themes": "endgame mate mateIn1 oneMove",
"GameUrl": "https://lichess.org/JsZt77yW/black#64",
"... | 848 |
rl_train | 1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Bb3 d5 5. Nd2 Nbd7 6. c3 h6 7. Ne2 Bd6 8. O-O
O-O 9. Ng3 Re8 10. Nf5 Bc7 11. Qf3 Nc5 12. Bc2 Ne6 13. Qg3 Nh5 14. Qg4 Nhf4 15.
Nf3 h5 16. Qh4 g5 17. Nxg5 Qxg5 18. Qxg5+ Nxg5 19. Re1 Bxf5 20. exf5 f6 21. Kf1
e4 22. dxe4 dxe4 23. h4 Nf7 24. Be3 Nd5 25. Bd4 e3 26. fxe3 Nxe3+ 27. Rxe3 Rxe3
28... | chess | {
"ground_truth": "['g4e5', 'e5d7']",
"style": "rule"
} | {
"PuzzleId": "3gkOZ",
"FEN": "4r3/Bp2b1k1/2p2p2/5P1p/6nP/1BP2K2/PP4P1/3R4 w - - 5 35",
"Moves": "d1d7 g4e5 f3e2 e5d7",
"first_move_uci": "d1d7",
"first_move_san": "Rd7",
"second_move_uci": "g4e5",
"Rating": 874,
"Themes": "crushing endgame fork short",
"GameUrl": "https://lichess.org/Q4IWR6Sk#69",
... | 874 |
rl_train | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 f5 8. Bd3
Nf6 9. Bg5 Be7 10. Bxf6 Bxf6 11. Nd5 O-O 12. Nc4 b5 13. Nce3 f4 14. Nf5 Bxf5
15. exf5 Rc8 16. c4 bxc4 17. Bxc4 Nd4 18. Ne7+ Kh8 19. Ng6+ hxg6 20. fxg6 Rxc4
* <T> | chess | {
"ground_truth": "['d1h5', 'h5h7']",
"style": "rule"
} | {
"PuzzleId": "1rwim",
"FEN": "2rq1r1k/6p1/p2p1bP1/4p3/2Bn1p2/8/PP3PPP/R2QK2R b KQ - 0 20",
"Moves": "c8c4 d1h5 h8g8 h5h7",
"first_move_uci": "c8c4",
"first_move_san": "Rxc4",
"second_move_uci": "d1h5",
"Rating": 863,
"Themes": "kingsideAttack mate mateIn2 middlegame short",
"GameUrl": "https://liches... | 863 |
rl_train | 1. Nf3 Nf6 2. b3 e6 3. Bb2 d5 4. e3 Be7 5. c4 O-O 6. Nc3 c6 7. Be2 Ne4 8. O-O
Bf6 9. Qc2 Nxc3 10. Bxc3 Nd7 11. Bxf6 Nxf6 12. Rfd1 b6 13. Rac1 Bb7 14. Ne5 c5
15. cxd5 Nxd5 16. Bf3 Nb4 17. Qb1 Bxf3 18. Nxf3 Qd3 19. a3 Qxb1 20. Rxb1 Nc6
21. d4 cxd4 22. Nxd4 Rfc8 23. h4 Kf8 24. Nb5 Ke7 25. Rbc1 a6 26. Nd4 Nxd4 27.
exd4 Rxc... | chess | {
"ground_truth": "['b6b5', 'a6b5']",
"style": "rule"
} | {
"PuzzleId": "2riXZ",
"FEN": "8/8/ppk1p1pp/5p2/P1KP1P1P/1P4P1/8/8 w - - 1 37",
"Moves": "b3b4 b6b5 a4b5 a6b5",
"first_move_uci": "b3b4",
"first_move_san": "b4",
"second_move_uci": "b6b5",
"Rating": 877,
"Themes": "crushing endgame pawnEndgame short",
"GameUrl": "https://lichess.org/GvMl70VX#73",
"c... | 877 |
rl_train | 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Bb5 a6 6. Bxc6 dxc6 7. Nc3 b6 8.
Bd2 Bc5 9. Qg3 O-O 10. O-O-O Qe7 11. e5 Nd5 12. Nxd5 cxd5 13. Bh6 f6 14. exf6
Rxf6 15. Bg5 Bxf2 16. Bxf6 Qxf6 17. Qxc7 Bg4 18. Rf1 Be3+ 19. Kb1 <T> | chess | {
"ground_truth": "['f6f1']",
"style": "rule"
} | {
"PuzzleId": "4qndr",
"FEN": "r5k1/2Q3pp/pp3q2/3p4/6b1/4b3/PPP3PP/2K2RNR w - - 3 19",
"Moves": "c1b1 f6f1",
"first_move_uci": "c1b1",
"first_move_san": "Kb1",
"second_move_uci": "f6f1",
"Rating": 826,
"Themes": "backRankMate hangingPiece mate mateIn1 middlegame oneMove",
"GameUrl": "https://lichess.o... | 826 |
rl_train | 1. e4 e6 2. Nf3 d5 3. e5 c5 4. d4 Nc6 5. a3 Bd7 6. c3 cxd4 7. cxd4 Nge7 8. Bg5
Qb6 9. b4 Nf5 10. Be3 Be7 11. Nc3 O-O 12. Na4 Qd8 13. Nc5 Bxc5 14. bxc5 b6 15.
cxb6 axb6 16. Be2 Qe7 17. Qb3 Rfb8 18. O-O Na5 19. Qb2 b5 20. Bd2 Nc4 21. Bxc4
bxc4 22. Bb4 Qe8 23. g4 Ne7 24. Qd2 Nc6 25. Bc3 Rb3 26. Kg2 Raxa3 27. Rxa3 Rxa3
28.... | chess | {
"ground_truth": "['e2e6', 'e6e7']",
"style": "rule"
} | {
"PuzzleId": "19b6C",
"FEN": "q5k1/3bn3/4Np2/3p4/2pP4/2B5/4QPKP/8 b - - 0 35",
"Moves": "d7e6 e2e6 g8g7 e6e7",
"first_move_uci": "d7e6",
"first_move_san": "Bxe6",
"second_move_uci": "e2e6",
"Rating": 853,
"Themes": "crushing endgame fork short",
"GameUrl": "https://lichess.org/SlYYm37H/black#70",
"... | 853 |
rl_train | 1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 c5 5. c3 Nc6 6. Bd3 Bd6 7. Bg3 O-O 8. Nbd2
c4 9. Bc2 b5 10. a3 Bb7 11. Ne5 Bxe5 12. dxe5 Nd7 13. f4 a5 14. h4 b4 15. axb4
axb4 16. Rxa8 Qxa8 17. h5 Qa2 18. Qc1 Ra8 19. O-O bxc3 20. bxc3 Ra3 21. Nf3 Na5
22. Be1 Nc5 23. Nd4 Nab3 24. Qd1 Nxd4 25. exd4 Nb3 26. f5 Na1 27. Bb1 Qb2 28.
Rf2 ... | chess | {
"ground_truth": "['b3b1', 'b1e1']",
"style": "rule"
} | {
"PuzzleId": "1LjnK",
"FEN": "8/1b3ppk/1q2pP2/3pP2P/2pP4/1rP5/5RP1/n2QB1K1 w - - 0 31",
"Moves": "d1a1 b3b1 a1a2 b1e1",
"first_move_uci": "d1a1",
"first_move_san": "Qxa1",
"second_move_uci": "b3b1",
"Rating": 814,
"Themes": "advantage endgame short",
"GameUrl": "https://lichess.org/HL1FDfPS#61",
"c... | 814 |
rl_train | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. b4 Bb6 7. a4 a5 8. b5 Ne7
9. Bg5 Ng6 10. Nbd2 h6 11. Be3 Bxe3 12. fxe3 O-O 13. O-O c6 14. d4 d5 15. exd5
cxd5 16. Bb3 e4 17. Ne1 Bg4 18. Qc2 Rc8 19. Rc1 Be6 20. Qa2 Ng4 21. c4 Nxe3 22.
Rf2 Ng4 23. Rf1 Qd6 24. g3 dxc4 25. Nxc4 Qxd4+ 26. Kh1 N6e5 27. Nc2 Nf2+ 28.
Rxf2 ... | chess | {
"ground_truth": "['f4d5', 'd5b4']",
"style": "rule"
} | {
"PuzzleId": "2FBk2",
"FEN": "8/8/1P4pp/5p2/r3pN2/4k1PP/2K5/8 b - - 1 50",
"Moves": "a4b4 f4d5 e3f2 d5b4",
"first_move_uci": "a4b4",
"first_move_san": "Rb4",
"second_move_uci": "f4d5",
"Rating": 840,
"Themes": "crushing endgame fork short",
"GameUrl": "https://lichess.org/MbvBYgB7/black#100",
"ctx_... | 840 |
rl_train | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Qf3 O-O 7. Bg5 Nc6 8.
Nxc6 bxc6 9. e5 Bxc3+ 10. bxc3 h6 11. Bxf6 gxf6 12. exf6 Kh7 13. Bd3+ Kh8 14.
Qe4 Qxf6 <T> | chess | {
"ground_truth": "['e4h7']",
"style": "rule"
} | {
"PuzzleId": "2KIxJ",
"FEN": "r1bq1r1k/p2p1p2/2p1pP1p/8/4Q3/2PB4/P1P2PPP/R3K2R b KQ - 4 14",
"Moves": "d8f6 e4h7",
"first_move_uci": "d8f6",
"first_move_san": "Qxf6",
"second_move_uci": "e4h7",
"Rating": 804,
"Themes": "mate mateIn1 middlegame oneMove",
"GameUrl": "https://lichess.org/gOIbd3iC/black#... | 804 |
rl_train | 1. e4 c5 2. c3 Nc6 3. d4 cxd4 4. cxd4 d6 5. Nf3 Nf6 6. Nc3 e5 7. d5 Nb8 8. Bd3
Be7 9. O-O O-O 10. Bg5 h6 11. Bh4 Nbd7 12. Rc1 Re8 13. Nb5 Nc5 14. b4 a6 15.
bxc5 axb5 16. Bxb5 Bd7 17. Bxf6 Bxf6 18. c6 bxc6 19. dxc6 Bc8 20. c7 Qe7 21.
Bxe8 Qxe8 22. Qd2 Qd7 23. Rfd1 Be7 24. Nxe5 Qe6 25. Nc6 Bg5 26. f4 Rxa2 27.
Qxd6 Bxf4 2... | chess | {
"ground_truth": "['h3h1', 'h1g1']",
"style": "rule"
} | {
"PuzzleId": "4pbHc",
"FEN": "8/6R1/5R2/5N2/4P2P/4bk1r/8/6K1 w - - 3 43",
"Moves": "g1f1 h3h1 g7g1 h1g1",
"first_move_uci": "g1f1",
"first_move_san": "Kf1",
"second_move_uci": "h3h1",
"Rating": 803,
"Themes": "endgame mate mateIn2 short",
"GameUrl": "https://lichess.org/wKoBDaou#85",
"ctx_original"... | 803 |
rl_train | 1. d4 d5 2. Bf4 Nc6 3. e3 e6 4. Nf3 Bd6 5. c3 Bxf4 6. exf4 h6 7. Nbd2 Nf6 8.
Bd3 b6 9. Ne5 Nxe5 10. fxe5 Nd7 11. f4 c5 12. Qg4 O-O 13. Nf3 cxd4 14. cxd4 f6
15. Qxe6+ Kh8 16. Qf5 fxe5 <T> | chess | {
"ground_truth": "['f5h7']",
"style": "rule"
} | {
"PuzzleId": "32Fuy",
"FEN": "r1bq1r1k/p2n2p1/1p3p1p/3pPQ2/3P1P2/3B1N2/PP4PP/R3K2R b KQ - 2 16",
"Moves": "f6e5 f5h7",
"first_move_uci": "f6e5",
"first_move_san": "fxe5",
"second_move_uci": "f5h7",
"Rating": 818,
"Themes": "mate mateIn1 middlegame oneMove",
"GameUrl": "https://lichess.org/1wZ1SWVK/bl... | 818 |
rl_train | 1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 Re8 8. b3
e5 9. Bb2 Rb8 10. dxe5 Nxe5 11. Nxe5 dxe5 12. Qxd8 Rxd8 13. Nb5 Rd2 14. Bxe5
Rxe2 15. Bxc7 Ra8 16. Rfe1 Bg4 17. Bxb7 Rae8 18. Rxe2 Rxe2 19. Rd1 h5 20. f3
Bh3 21. Nc3 Rg2+ 22. Kh1 Rc2 23. Be5 Ng4 24. fxg4 Bxe5 25. Nb5 Bxg4 26. Re1 Bh3
27. Nxa... | chess | {
"ground_truth": "['a2a1', 'a1e1']",
"style": "rule"
} | {
"PuzzleId": "4P4j3",
"FEN": "6k1/1B3p2/6p1/1N2b3/2P5/1P4pb/r6P/4R1K1 w - - 0 30",
"Moves": "e1e5 a2a1 e5e1 a1e1",
"first_move_uci": "e1e5",
"first_move_san": "Rxe5",
"second_move_uci": "a2a1",
"Rating": 884,
"Themes": "endgame mate mateIn2 short",
"GameUrl": "https://lichess.org/F6YqPRst#59",
"ctx... | 884 |
rl_train | 1. e4 e6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Nfd7 5. d4 c5 6. Be3 cxd4 7. Bxd4 Nc6 8.
Be3 Be7 9. Bb5 O-O 10. Qd3 a6 11. O-O-O Ndxe5 12. Nxe5 Nxe5 13. Qd4 f6 14. Bd3
Nxd3+ 15. Qxd3 Bd7 16. h4 Bb5 17. Qd2 b6 18. Rh3 Bc5 19. Rg3 Qe7 20. Bh6 Rf7
21. Qf4 Bd6 22. Qg4 Bxg3 23. Qxg3 Rc8 24. Nxb5 axb5 25. Rd4 Rc4 26. Rd3 Qc7 27.
c3 Qxg3... | chess | {
"ground_truth": "['d3d8']",
"style": "rule"
} | {
"PuzzleId": "4rR76",
"FEN": "7k/2r3pp/1p3p2/4p2P/2rp4/2PR4/P2B1PP1/1K6 b - - 0 34",
"Moves": "d4c3 d3d8",
"first_move_uci": "d4c3",
"first_move_san": "dxc3",
"second_move_uci": "d3d8",
"Rating": 829,
"Themes": "backRankMate endgame mate mateIn1 oneMove",
"GameUrl": "https://lichess.org/59TcHRNK/blac... | 829 |
End of preview. Expand in Data Studio
No dataset card yet
- Downloads last month
- 36