PuzzleId
stringlengths
5
5
new_FEN
stringlengths
30
77
best_Moves
stringlengths
2
130
Rating
int64
399
3.26k
RatingDeviation
int64
49
500
00008
r6k/pp2r2p/4Rp1Q/3p4/8/1N1P2b1/PqP3PP/7K w - - 0 25
Rxe7 Qb1+ Nc1 Qxc1+ Qxc1
1,853
76
0000D
5rk1/1p3ppp/pq1Q1b2/8/8/1P3N2/P4PPP/3R2K1 b - - 3 27
Rd8 Qxd8+ Bxd8
1,461
74
0008Q
8/5R2/1p2P3/p4r2/P6p/1P3Pk1/4K3/8 b - - 2 64
Re5+ Kf1 Rxe6
1,430
75
0009B
r2qr1k1/b1p2ppp/p5n1/P1p1p3/4P1n1/B2P2Pb/3NBP1P/RN1QR1K1 w - - 0 17
Bxg4 Bxg4 Qxg4
1,112
74
000Vc
8/8/4k1p1/2KpP2P/5P2/8/8/8 b - - 0 53
gxh5 f5+ Kxe5 f6 Kxf6
1,556
81
000Zo
4r3/1k6/pp3P2/1b5p/3R1p2/P1R2P2/1P4PP/6K1 b - - 0 35
Re1+ Kf2 Rf1#
1,353
75
000aY
r4rk1/pp2Bppp/2n1b3/q1pp4/8/P1Q2NP1/1PP1PP1P/2KR3R b - - 1 15
Qxc3 bxc3 Nxe7
1,428
79
000hf
r1bq3r/pp1nbkp1/2p1p2p/8/2BP4/1PN3P1/P3QP1P/3R1RK1 w - - 0 20
Qxe6+ Kf8 Qf7#
1,573
75
000lC
3r3r/pQNk1ppp/1qnR1n2/1B6/8/8/PPP3PP/5R1K b - - 0 19
Kxd6 Qxb6 axb6
1,365
75
000mr
5r1k/5rp1/p7/1b2B2p/1P1P1Pq1/2R3Q1/P3p1P1/2R3K1 b - - 1 41
Rxf4 Bxf4 Rxf4
1,941
85
000qP
8/7R/8/5p2/4bk1P/8/2r5/5KR1 b - - 8 51
Kf3 Ke1 Rc1+ Kd2 Rxg1
2,183
79
000rO
3R4/8/8/KB2b3/1p6/1P2k3/3p4/8 b - - 0 58
Bc7+ Kxb4 Bxd8
1,075
81
000tp
4r3/5pk1/1Q3np1/3p3p/2q5/P4N1P/1P3RP1/7K b - - 0 34
Ne4 Kg1 Nxf2
2,051
75
00143
r4rk1/5ppp/1np2q2/p1b5/2p1B3/P7/1P3PPP/R1BQ1RK1 w - - 2 18
Qh5 h6 Qxc5
1,868
74
0018S
2kr3r/p4p2/1p2p2p/1N1p2p1/3Q4/1P1P4/2q2PPP/5RK1 w - - 0 21
Qa1 a5 Rc1
2,650
120
001Wz
6k1/5ppp/r1p5/p1n1rP2/8/2P2N1P/2P3P1/3R2K1 w - - 0 22
Rd8+ Re8 Rxe8#
1,127
82
001XA
2r2rk1/pbq1bppp/8/8/2p1N3/P1Bn2P1/2Q2PBP/1R3RK1 w - - 4 24
Rxb7 Qxb7 Nf6+ Bxf6 Bxb7
1,661
75
001cr
8/3B2pp/p5k1/6P1/1ppp1K2/8/1P6/8 w - - 0 39
Be8#
1,635
292
001gi
N6r/1p1k1ppp/2np4/b3p3/4P1b1/N1Q5/P4PPP/R3KB1R b KQ - 0 18
Bxc3#
838
121
001h8
2r3k1/2r4p/4p1p1/1p1q1pP1/p2P1P1Q/P6R/4bB2/2R3K1 w - - 6 35
Qxh7+ Rxh7 Rxc8+ Kg7 Rc7+
1,821
75
001m3
7r/6k1/2b1Rp2/8/P1N3p1/5nP1/5P2/Q4K2 b - - 0 38
Rh1+ Ke2 Rxa1
1,497
75
001om
5r1k/pp4pp/5p2/1BbQp1r1/7K/7P/1PP3P1/3R3R b - - 3 26
Bf2+ g3 Bxg3#
1,018
80
001u3
2r3k1/p4pp1/Qq2p2p/b1Np4/2nP1P2/4P1P1/5K1P/2B1N3 w - - 4 34
Qxc8+ Kh7 Qb7
2,175
81
001uD
6k1/1p4p1/1p3p1p/2r1p3/2n5/r3PN2/2RnNPPP/2R3K1 w - - 0 33
Nxd2 Nxd2 Rxd2 Rxc1+ Nxc1
1,926
74
001w5
1rb3k1/q4rP1/4p2p/3p3p/3P1P2/2P5/2QK3P/3R2R1 w - - 1 30
Qh7+ Kxh7 g8=Q#
1,111
81
001wR
6nr/p4p1p/k1p5/1p6/1QN5/2P1P3/4KPqP/8 w - - 0 27
Qa5+ Kb7 Nd6+ Kb8 Qd8#
1,267
75
001wb
r3k2r/pb1p1ppp/1b4q1/1Q2P3/8/2NP1PP1/PP4P1/R1B2R1K b kq - 0 17
Qh5#
1,502
137
001wr
r4rk1/p3ppbp/Pp1q1np1/3PpbB1/2B5/2N2P2/1PPQ2PP/3RR1K1 b - - 0 18
Qc5+ Kh1 Qxc4
975
76
001xO
k1r1b3/p1r1nppp/Bp1qpn2/2Np4/1P1P4/PQR1PN2/5PPP/2R3K1 b - - 1 19
bxc5 Bxc8 c4
1,867
74
001xl
8/4R3/p4kpp/3B4/5q2/8/5P1P/6K1 w - - 6 41
Rf7+ Ke5 Rxf4
1,116
76
00206
r3kb1r/pppqpn1p/5p2/3p1bpQ/2PP4/2N1P1B1/PP3PPP/R3KB1R b KQkq - 2 11
Bg4 Qxg4 Qxg4
1,654
74
002CP
r5k1/pp4pp/4p1q1/4p3/3n4/P3Q1P1/1PP4P/2KR1R2 b - - 5 24
Qxc2#
927
81
002Cw
r7/2p3rk/p2p1q1p/Pp1P4/1P2P3/2PQ4/6R1/R5K1 w - - 3 29
e5+ Qg6 Rxg6
1,027
81
002E4
8/8/kp6/p4pQp/q7/7P/3r2P1/4R2K w - - 0 49
Qxd2
974
92
002IE
r3brk1/5pp1/p2qpn1p/P2pn3/2pP4/2P1PN2/5PPP/RB1QK2R w KQ - 0 17
dxe5 Qe7 exf6
1,212
89
002KJ
r3k2r/ppq1bppp/4pn2/2Ppn3/1P4bP/2P2N2/P3BPP1/RNBQ1RK1 w kq - 3 11
Nxe5 Qxe5 Bxg4
1,383
75
002LF
7r/p4pk1/1pp3p1/8/6q1/4Q3/PP1R1P1r/5KN1 w - - 0 39
Qe5+ f6 Qc7+ Kh6 Qxh2+
2,258
80
002LW
3r1rk1/1b3pp1/3p4/p3nPPQ/4P3/3q1BN1/8/2R2RK1 w - - 2 29
f6 Nxf3+ Rxf3
2,464
88
002O7
r3qrk1/2p2pp1/p2bpn1p/2ppN3/3P1Pb1/1PP1P1B1/P2N2PP/R2Q1RK1 w - - 1 15
Nxg4 Nxg4 Qxg4
969
92
002Tf
r3kbnr/ppp1qppp/2n5/1B1pP3/5B2/4PQ2/PPP2PPP/RN2K2R b KQkq - 2 7
Qb4+ Nc3 Qxb2
1,575
75
002Ua
r4rk1/pp3ppp/3p1q2/P1P1p3/2B5/2B2n2/2P2P1P/R2Q1R1K b - - 1 16
Qf4 Qxf3 Qxf3+
1,646
75
002Uy
8/8/1p6/k7/P7/1KR4r/8/8 b - - 27 64
Rxc3+ Kxc3 Kxa4 Kb2 Kb4
1,815
74
002VP
8/6p1/2B2n2/3b2k1/3B4/6K1/4P3/8 w - - 5 45
Bxf6+ Kf5 Bxd5
1,432
80
002Z9
4r1k1/1p2R1p1/p2p2Pp/P1pP4/8/1R3p2/1P1q3P/5B1K w - - 0 35
Rxe8#
1,237
99
002bK
8/7p/4k3/pb1p1pPB/1n1P3P/N1p1P3/4K3/8 w - - 2 43
Nxb5 c2 Kd2
1,139
76
002rd
r6k/q1p2p1p/1b2bPr1/p1ppP2Q/3P2p1/4B3/PP2NRPP/3R2K1 w - - 2 26
Nf4 cxd4 Nxg6+ fxg6 Qh6
1,812
74
002uV
r2r2k1/1p2qppp/2n1p3/5Q2/p2P4/P4N2/BP3PPP/2R1R1K1 b - - 0 20
exf5 Rxe7 Nxe7
1,615
76
002vV
8/6k1/1R5p/5p1P/5P1K/6P1/8/r7 b - - 3 58
Rh1#
400
97
002xh
2nk4/8/2PBp3/1pK1P1p1/1P4Pn/8/8/8 w - - 3 43
Kxb5 Ng2 Ka6 Ne3 Kb7
2,074
101
0039T
1r5r/p3kp2/4p2p/4P3/R4Pp1/6P1/P1P4P/4K2R b K - 2 25
Rb1+ Kf2 Rxh1 Rxa7+ Kf8
877
86
003AX
2r2rk1/5ppp/bq2p3/p2pP1N1/Pb1p2P1/1P2P2P/2QN4/2R1K2R w K - 0 19
Qxh7#
1,152
76
003IX
8/3pk3/R7/1R2PK1p/2PPn1r1/8/8/8 b - - 0 43
Ng3#
1,725
83
003Jb
6k1/Q2bqr1p/2rpp1pR/p7/Pp2P3/1B3P2/1PP3P1/2KR4 b - - 7 22
Qg5+ Kb1 Qxh6
996
79
003S3
1r3k1r/pNqnppb1/6pn/2p3Np/7P/2P2Q2/PP3PP1/R1B1K2R w KQ - 3 16
Ne6+ Kg8 Nxc7
1,329
76
003Tx
2r5/pR5p/5p1k/4p3/4R3/B4nPP/PP3P2/1K6 b - - 0 27
Nd2+ Ka1 Rc1#
1,546
88
003UW
8/6pk/7p/2pq4/3p4/5PP1/P3QK1P/8 w - - 2 41
Qe4+ Qxe4 fxe4
1,435
77
003YT
r1b1k1nr/1pp2ppp/p1pb1q2/4p3/3PP3/5N2/PPP2PPP/RNBQ1RK1 w kq - 1 7
dxe5 Bxe5 Bg5 Qd6 Nxe5 Qxd1 Rxd1
1,729
167
003eP
6k1/r1b1q3/2p3p1/2Pp4/1P2p1n1/2B1P3/NQ6/2K4R w - - 2 37
Rh8+ Kf7 Rh7+ Ke8 Rxe7+
1,157
79
003jH
rn3rk1/p5pp/3N4/4np1q/5Q2/1P6/PB1P1KP1/2R4R b - - 1 25
Nd3+ Ke3 Nxf4 Rxh5 Nxh5
1,119
78
003jb
r3kb1r/p4ppp/b3p3/2pq4/3Q4/4BN2/PPP2PPP/R3K2R w KQkq - 0 12
Qa4+ Bb5 Qxb5+
946
77
003jv
7R/1p2k2p/p2n2p1/4K3/8/6P1/P6P/8 b - - 11 37
Nf7+ Ke4 Nxh8
1,008
81
003md
r1b1k2N/ppp3pp/2n5/2bp4/7q/1B4n1/PPPP1P1P/RNBQR1K1 b q - 1 10
Ne4 Rxe4+ dxe4 Qh5+ Qxh5 Bf7+ Qxf7
2,124
79
003nQ
6rk/pp6/2n5/3ppn1p/3p4/2P2P1q/PP3QNB/R5RK b - - 3 29
Ng3+ Qxg3 Rxg3
1,268
88
003o0
r1bqk2r/pp1nbppp/3p4/1B1p4/3P1B2/5N2/PPP2PPP/R2QK2R b KQkq - 3 9
Qa5+ Qd2 Qxb5
1,031
82
003r5
r2qr1k1/ppp2ppp/4P3/8/1nP2Q2/2N2N1P/PP3KP1/R4R2 b - - 0 15
Nd3+ Kg1 Nxf4
1,107
77
003wQ
2r2rk1/6pp/3Q1q2/8/3N1B2/6P1/PP1K3P/5R2 b - - 0 24
Qxd6 Bxd6 Rxf1
1,941
80
0042j
3r2k1/4nppp/pq3b2/1p2p3/2r2P2/2P1NR2/PP1Q2BP/3R2K1 w - - 0 25
Qxd8+ Qxd8 Rxd8#
444
110
0045Q
rnbqkb1r/pppp2pp/8/4P3/2B5/4pQ2/PPPP2PP/R1B1K1NR b KQkq - 1 7
Qh4+ Kd1 Qxc4
1,312
80
0047P
8/1N3k2/6p1/8/2P3P1/pr6/R7/5K2 b - - 2 56
Rb1+ Ke2 Rb2+ Kd1 Rxa2
1,769
75
0048h
4r3/p5k1/2R4p/2Pp4/1P1pr1P1/P6P/8/3R3K b - - 0 35
Re1+ Rxe1 Rxe1+ Kg2 d3
1,194
75
004Ao
4qk2/1b3R2/p7/1p2Q3/4P2P/P2P3K/2r5/3R4 b - - 0 41
Qxf7 Qh8+ Ke7
1,735
99
004Ax
8/5k2/4R2p/p7/5rPK/8/7P/8 w - - 3 43
Rxh6 Rf6 Rh7+ Kg6 Ra7
1,952
76
004BW
r1bk2r1/ppq2NQp/3bpn2/1Bpn4/5P2/1P6/PBPP2PP/RN2K2R b KQ - 0 13
Ke7 Qxg8 Nxg8
1,751
75
004JD
3r4/R7/2p5/p1P2p2/1p4k1/nP2K3/P3NP2/8 b - - 4 41
Nc2#
1,367
76
004LZ
8/7R/5p2/p7/7P/2p5/3k2N1/1K6 b - - 0 48
c2+ Ka2 c1=Q Rd7+ Ke2
1,097
78
004Op
2kr2r1/1bp4n/1pq1p2p/p1P5/1P3B2/P6P/5RP1/RB3QK1 b - - 4 26
Rd1 Qxd1 Rxg2+ Kf1 Rg1+ Ke2 Rxd1
2,130
80
004RF
5rk1/5ppp/1p6/1q3P1Q/2pp3P/6R1/6PK/8 w - - 0 31
Rxg7+ Kxg7 f6+ Kxf6 Qxb5
1,764
79
004X6
1r4k1/p4ppp/2Q5/3pq3/8/P6P/2PR1PP1/1R4K1 b - - 0 26
Rxb1+ Rd1 Rxd1#
1,176
278
004Ys
r4rk1/5pbp/p1n1p1p1/2p3NP/1p1q1B2/3P3Q/PPP3P1/R3R1K1 w - - 3 20
Be3 Qf6 Rf1 Qe5 hxg6 Qxe3+ Qxe3
2,224
79
004d8
8/4kr2/R2p4/1p1Pp3/5pp1/3K1P2/PPP5/8 w - - 0 40
Ra7+ Kf6 Rxf7+ Kxf7 fxg4
1,626
79
004iZ
r2r2k1/2q1bpp1/3p3p/1ppn4/1P1BP3/P5Q1/4RPPP/R5K1 w - - 0 21
Qxg7#
570
90
004kB
4rr1k/p1Qn2pp/3p1q2/8/8/2P5/PP3PPP/RN3RK1 b - - 0 16
Qxf2+ Rxf2 Re1+ Rf1 Rexf1#
1,227
76
004mT
5Q2/8/1bk1p1p1/5p2/3p4/5qPK/7P/8 w - - 2 52
Qa8+ Kd6 Qxf3
1,359
74
004nd
3q2k1/3r4/pp3p1Q/2b1n3/P3N3/2P5/1P4PP/R6K w - - 1 25
Nxf6+ Qxf6 Qxf6
898
75
004sY
8/2k3n1/K2p2p1/2pP2Pp/2P4P/7B/8/8 b - - 1 57
Kd8 Kb5 Nf5
2,191
95
004sg
6k1/p3b2p/1p1pP3/2P3P1/2np3B/P6P/3Q3K/8 b - - 0 38
Nxd2 c6 d5 g6 Bd6+
2,362
85
004u0
4r1k1/ppq3pp/2p2p2/4r3/4p1Q1/P5RP/1P3PP1/3R2K1 w - - 4 35
Rd7 Qxd7 Qxd7
1,334
74
004zI
2q3k1/4br2/6pQ/1p1n2p1/7P/1P4P1/1B2PP2/6K1 w - - 0 28
Qh8#
1,443
75
0050w
5rk1/1p2p2p/p2p4/2pPb2R/2P1P3/1P1BKPrR/8/8 w - - 5 31
Rxg3+ Bxg3 Rg5+ Kf7 Rxg3
1,071
80
0055Y
r1b2rk1/p3pp2/2B5/2Qpq3/3N2pp/4b3/2P2PPP/1R2K2R w K - 0 24
fxe3 Qxe3+ Kd1
2,055
76
005HF
3r1rk1/1p4Rp/p2bp3/1q2Np2/3P4/1P5Q/5PPP/4R1K1 b - - 0 27
Kxg7 Qg3+ Kh8
1,380
78
005N7
r6k/2q3pp/8/2p5/R1np4/7P/2PB1PP1/6K1 w - - 0 33
Rxa8+ Qb8 Rxb8#
524
98
005YM
5k2/p4pp1/1qn3r1/3pP2p/3N1P2/2PQ4/Pr3RPP/R5K1 b - - 6 24
Rxf2 Kxf2 Nxd4 Qxd4 Qb2+
2,421
85
005YX
2rr4/5pk1/p1Q1N1pp/1p4q1/3pP3/1B1P4/PPP3PP/6RK b - - 0 25
fxe6 Qb7+ Kh8
1,440
309
005f3
r5k1/2p1pp2/pp4p1/1q5r/5P2/2QP2R1/PP6/1K4R1 w - - 1 33
Rxg6+ fxg6 Rxg6+ Kf7 Qg7+ Ke8 Qg8+ Kd7 Qe6+ Kd8 Rg8+
1,966
73
005jJ
r1b1qrk1/pp1n1pbp/2pp1np1/4P3/2P2B2/2NBPN1P/PP3PP1/R2Q1RK1 b - - 0 10
dxe5 Bh2 e4
1,242
83
005nD
3rk2r/2qn2p1/p1Q1p3/3n3p/8/8/PP4PP/5R1K w k - 0 24
Qxe6+ Ne7 Qf7#
1,109
75
005qG
8/8/1p1k1p1p/3np3/2B2p2/PP1K1PP1/7P/8 w - - 0 37
Bxd5 fxg3 hxg3 Kxd5 g4
2,293
87
005ws
8/8/4Kpp1/7p/3N2kP/8/8/8 b - - 3 62
g5 hxg5 fxg5 Kd5 h4 Ke4 h3 Nf3 Kg3
2,495
76
005wy
1r6/pp2kppQ/2n1p1n1/3p2P1/5P2/2PqP3/PP1N4/2KR3R b - - 4 27
Nb4 cxb4 Rc8+ Nc4 Rxc4#
2,022
75

Dataset Card for Chess Puzzles (SAN)

4,130,824 chess puzzles from Lichess with moves converted to standard algebric notation. Puzzles are formatted as standard CSV. The fields are as follows:

PuzzleId,new_FEN,best_Moves,Rating,RatingDeviation

  • PuzzleId: string, the puzzle's unique identifier. The puzzle would be live at https://lichess.org/training/{PuzzleID}.
  • new_FEN: string, the FEN string of the position after the opponent has made their move. It is now player's turn to make the move and solve the puzzle.
  • best_Moves: string, the solution to the puzzle. All player moves of the solution are "only moves", i.e. playing any other move would considerably worsen the player position. An exception is made for mates in one: there can be several. Any move that checkmates should win the puzzle.
  • Rating: int, the Glicko-2 rating of the puzzle.
  • RatingDeviation: int, the Glicko-2 rating deviation of the puzzle.
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