fen
stringlengths
24
80
depth
int64
1
245
evaluation
stringlengths
2
7
best_move
stringlengths
2
7
best_line
stringlengths
2
67
7r/1p3k2/p1bPR3/5p2/2B2P1p/8/PP4P1/3K4 b - -
39
0.58
Kg7
Kg7 Re2 Rd8 Rd2 b5 Be6 Kf6 Bb3 a5 a3
8/4r3/2R2pk1/6pp/3P4/6P1/5K1P/8 b - -
58
0.00
Ra7
Ra7 Ke3 Ra3+ Ke4 Ra2 h4 gxh4 gxh4 Rh2 Rc1
6k1/6p1/8/4K3/4NN2/8/8/8 w - -
87
M18
Nd6
Nd6 Kh7 Kf5 g5 Nh5 Kh6 Ng3 Kg7 Ke6 Kf8
r1b2rk1/1p2bppp/p1nppn2/q7/2P1P3/N1N5/PP2BPPP/R1BQ1RK1 w - -
25
0.24
Be3
Be3 Rd8 Rc1 d5 cxd5 exd5 exd5 Bxa3 bxa3 Nxd5
6k1/4Rppp/8/8/8/8/5PPP/6K1 w - -
99
M1
Re8#
Re8#
6k1/6p1/6N1/4K3/4N3/8/8/8 b - -
62
M27
Kh7
Kh7 Kf5 Kh6 Ng3 Kh7 Kg5 Kg8 Ne4 Kf7 Kf5
rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq -
64
0.19
Nf3
Nf3 d5 d4 e6 c4 Nf6 Nc3 Bb4 cxd5 exd5
8/8/2N2k2/8/1p2p3/p7/K7/8 b - -
54
0.00
b3+
b3+ Kxa3 Ke6 Kxb3 Kd5 Kc3 Kxc6 Kd4 e3 Kxe3
8/1r6/2R2pk1/6pp/3P4/6P1/5K1P/8 w - -
46
0.00
Rc2
Rc2 Kf5 h4 g4 Rc5+ Ke4 Rxh5 Rb2+ Kg1 f5
1R4k1/3q1pp1/6n1/b2p2Pp/2pP2b1/p1P5/P1BQrPPB/5NK1 b - -
31
-1.05
Kh7
Kh7 Qc1 Bc7 Bxc7 Qxc7 Ra8 Qe7 f3 Bd7 Ra7
8/5kp1/6N1/4K3/4N3/8/8/8 w - -
61
M23
Kf5
Kf5 Ke8 Ke6 Kd8 Kd6 Kc8 Nc5 Kd8 Ne6+ Ke8
1k1r1r2/pbp3pp/1p1q1p2/2p2Q2/4P3/1P1PB3/P1P3PP/4RRK1 w - -
31
0.08
a4
a4 g6 Qf2 f5 Bh6 Rg8 Bg5 Rde8 e5 Qd5
8/3B4/8/p4p1k/5P1p/Pb6/1P4P1/6K1 w - -
36
6.76
Bxf5
Bxf5 Bf7 Kh2 Bd5 Bd7 Bb3 Kh3 Kg6 Bg4 Bd5
r2qk2r/3n2p1/1pp1p3/3pPpb1/P2P1nBp/1NB4P/1PP2P2/R3QR1K w kq f6
19
0.26
exf6
exf6 Nxf6 Bd2 O-O Bxf4 Bxf4 Qxe6+ Kh8 Bf5 Qc7
1R6/3q1ppk/6n1/b2p2Pp/2pP2b1/p1P5/P1B1rPPB/2Q2NK1 b - -
36
-0.76
Bc7
Bc7 Bxc7 Qxc7 Ra8 Qe7 f3 Bd7 Ra7 h4 Bxg6+
3r4/1p3k2/p1bPR3/5p2/2B2P1p/8/PP4P1/3K4 w - -
38
1.80
Ke1
Ke1 b5 Bb3 a5 a3 Bd7 Re7+ Kg6 Kf2 Bc8
1r2kb1r/pBp2ppp/4pn2/5b2/Q1pq4/6P1/PP1NPP1P/R1B2RK1 b k -
26
3.48
Nd7
Nd7 Nf3 Qd6 Rd1 Qxd1+ Qxd1 Rxb7 Qa4 Bd6 Bf4
3r4/6k1/2bPR3/pp3p2/2B2P1p/P7/1P3KP1/8 w - -
28
3.37
Ba2
Ba2 Bd7 Re7+ Kf6 Kg1 Bc8 Rf7+ Kg6 Rc7 Kh5
rnbqkbnr/ppp1pppp/8/3p4/3P4/8/PPP1PPPP/RNBQKBNR w KQkq -
50
0.24
c4
c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 Be7 e3 O-O
r2k2r1/pppb1p1p/2p5/8/3Bn3/8/PPP2PPP/2KR1B1R b - -
28
1.58
Nd6
Nd6 Bd3 h6 Rhg1 Ke7 f3 Rae8 Rge1+ Kf8 g4
2r1r1k1/5ppp/8/8/Q7/8/5PPP/4R1K1 w - -
99
M2
Rxe8+
Rxe8+ Rxe8 Qxe8#
2r1r1k1/3Q1p2/7R/4N1p1/P4n2/1q5P/5PP1/4R1K1 w - -
40
M18
Qf5
Qf5 Ng6 Rxg6+ fxg6 Qxg6+ Kh8 Qh5+ Kg8 Qxg5+ Kh8
8/5p1k/3r2p1/7p/R6P/8/5PPK/8 w - -
64
0.00
f3
f3 f6 g4 g5 gxh5 Kh6 hxg5+ fxg5 Kg3 Kxh5
rnbqkbnr/pp2pppp/2p5/3P4/3P4/8/PP2PPPP/RNBQKBNR b KQkq -
51
0.15
cxd5
cxd5 Nc3 Nf6 Bf4 Nc6 e3 Bf5 Qb3 Na5 Qa4+
8/4k3/8/4K3/8/4P3/8/8 b - -
99
M16
Kd7
Kd7 Kf6 Ke8 e4 Kd7 e5 Ke8 Ke6 Kd8 Kf7
r1b2rk1/pp3ppp/1q2p3/2npP1N1/8/8/PPQ2PPP/R3RBK1 b - -
23
0.50
g6
g6 Qd2 Qd8 b4 Ne4 Nxe4 dxe4 Qf4 Bd7 Rad1
rnbqkbnr/pppppppp/8/8/4P3/8/PPPP1PPP/RNBQKBNR b KQkq -
60
0.15
e5
e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 Re1 Nd6 Nxe5
k1K5/8/8/1P6/8/8/8/8 b - -
95
M16
Ka7
Ka7 Kc7 Ka8 Kb6 Kb8 Ka6 Kc7 b6+ Kc8 Ka7
8/8/2B2k2/p4p2/5P1p/Pb6/1P3KP1/8 w - -
42
5.64
Kg1
Kg1 Ke6 Kh2 Kd6 Be8 Kc5 Kh3 Kd6 Bb5 Ke7
rnbqkb1r/pp2pp1p/5np1/2pp4/3P4/1P1BPN2/P1P2PPP/RNBQK2R b KQkq -
24
-0.19
Bg7
Bg7 O-O O-O Bb2 cxd4 exd4 Nc6 h3 Nb4 Be2
rnbqk2r/ppp2ppp/5n2/2bNp3/2B1PP2/8/PPPP2PP/R1BQK1NR b KQkq -
31
-0.21
Nxe4
Nxe4 Qe2 Qh4+ Kf1 O-O b4 Bg4 Qe1 Qxe1+ Kxe1
R4nk1/6p1/8/5pb1/P1pN2b1/7p/2B3P1/5K2 w - -
33
3.20
gxh3
gxh3 Bxh3+ Kf2 Kf7 a5 Bh4+ Kf3 Ng6 Bxf5 Ne5+
8/p5p1/3kp1p1/PPp1np2/2P1p3/4P2P/3KBPP1/8 w - -
31
0.46
f3
f3 exf3 gxf3 Nf7 f4 e5 fxe5+ Nxe5 h4 Kc7
8/8/2b5/5B1k/1P3P1p/7K/6P1/8 w - -
25
15.92
g3
g3 Kh6 g4 Kg7 g5 Bd5 Kxh4 Bb7 Bg4 Bh1
R4nk1/6p1/8/5pb1/P1p3bp/8/2B1N1P1/5K2 w - -
32
3.03
a5
a5 Be3 Ng1 Kf7 a6 Ne6 a7 Bxa7 Rxa7+ Kf6
8/p4pp1/3kp1p1/PPp1n3/2P1p3/4P2P/4BPP1/4K3 w - -
23
0.42
f4
f4 Nd7 Kf2 Kc7 Bd1 f5 Kg3 Nf6 Kh4 Nh7
8/p4pp1/3kp1p1/PPp1n3/2P1p3/4P2P/3KBPP1/8 b - -
23
0.00
g5
g5 f4 exf3 gxf3 Ng6 Ke1 f5 Kf2 f4 Bd3
7r/1p4k1/p1bR1r2/5p1p/2P2P2/3B4/PP4P1/3KR3 w - -
49
0.00
c5
c5 Rxd6 cxd6 Rd8 Re7+ Kf6 Re5 Bd7 Kc2 Be6
7r/1p4k1/p1bR1r2/2P2p1p/5P2/3B4/PP4P1/3KR3 b - -
46
0.04
Rxd6
Rxd6 cxd6 Rd8 Re7+ Kf6 Re5 Bd7 Ke2 Be6 g3
5r1r/1p4k1/p1bR4/5p1p/2P2P2/3B4/PP4P1/3KR3 b - -
36
0.02
Rf6
Rf6 c5 Rxd6 cxd6 Rd8 Kc2 Rxd6 g3 Rg6 Re3
8/1r6/5pk1/6pp/3P4/6P1/2R2K1P/8 b - -
45
0.00
Rb3
Rb3 Rd2 Kf5 Kg2 Ke4 h4 gxh4 gxh4 Rb6 Kg3
rnbqkbnr/ppp1pppp/8/3p4/3P1B2/8/PPP1PPPP/RN1QKBNR b KQkq -
52
0.02
c5
c5 e3 Nc6 Nf3 cxd4 exd4 Bg4 c3 e6 Be2
7k/6p1/6Q1/8/8/1B6/8/6K1 w - -
99
M1
Qh5#
Qh5#
k7/2K5/8/1P6/8/8/8/8 w - -
99
M15
Kb6
Kb6 Kb8 Ka6 Kc7 b6+ Kc8 Ka7 Kd7 b7 Ke6
r2qk2r/3n4/1pp1pp2/3p2b1/P2P1nBp/1NB4P/1PP2P2/R3QR1K w kq -
19
2.53
Bxe6
Bxe6 Nxe6 Qxe6+ Qe7 Rfe1 Qxe6 Rxe6+ Kf7 Rxc6 Rhe8
r1bqk1nr/pp1pppbp/2n3p1/1Bp5/4P3/5N2/PPPP1PPP/RNBQR1K1 b kq -
37
0.35
e5
e5 Bxc6 dxc6 a4 Qe7 Na3 Nh6 d3 O-O a5
rnbqkbnr/pp2pppp/8/3p4/3P4/8/PP2PPPP/RNBQKBNR w KQkq -
50
0.20
Bf4
Bf4 Nc6 Nf3 Nf6 Nc3 Bf5 Qb3 Na5 Qa4+ Bd7
8/8/8/3k1K2/8/4P3/8/8 w - -
87
M16
e4+
e4+ Kd6 Kf6 Kd7 e5 Ke8 Ke6 Kd8 Kf7 Kd7
8/8/8/8/3K2k1/6N1/3Q4/8 b - -
97
M4
Kh3
Kh3 Nf5 Kg4 Ke4 Kh3 Qf2 Kg4 Qh4#
r1bq1rk1/pp1pppbp/2n2np1/8/2PN4/2N3P1/PP2PPBP/R1BQ1RK1 b - -
42
0.29
d6
d6 Nxc6 bxc6 Bxc6 Rb8 Bg2 Qa5 Qc2 Bb7 Na4
8/3B4/5k2/p4p2/5P1p/Pb6/1P3KP1/8 b - -
44
6.25
a4
a4 Kg1 Bc2 Kh2 Kg7 Kh3 Kg6 Be8+ Kf6 Bb5
1r3rk1/pb2q1pp/3ppn2/2p2p2/1PP5/PQ3PP1/1B1RP1BP/R5K1 b - -
22
0.35
d5
d5 Be5 Rbc8 cxd5 Bxd5 Qa4 cxb4 axb4 a6 Bd4
R4nk1/6p1/8/8/P1pN1pbb/8/2B3K1/8 w - -
30
4.25
a5
a5 Bf6 Nf5 Kf7 a6 Bxf5 Bxf5 Bd4 Rc8 Be3
r1bqk2r/pppp1ppp/2n2n2/2b1p3/2P1P3/2NP4/PP3PPP/R1BQKBNR w KQkq -
31
-0.11
Be2
Be2 d6 Nf3 O-O O-O a5 Be3 Ng4 Qd2 a4
8/5ppk/3r4/7p/R6P/8/5PPK/8 b - -
54
0.00
Rd2
Rd2 f3 Kh6 Ra7 Kg6 Ra6+ f6 Kh3 Rb2 Kg3
rnbqkbnr/pppppppp/8/8/3P4/8/PPP1PPPP/RNBQKBNR b KQkq -
56
0.16
Nf6
Nf6 Nf3 e6 c4 d5 Nc3 Be7 cxd5 exd5 Bf4
8/8/6p1/4p3/6Pk/5K2/5N1p/8 w - -
43
0.00
Kg2
Kg2 h1=Q+ Kxh1 Kg3 Kg1 e4 Nxe4+ Kxg4 Kg2 Kf4
8/8/6p1/4p3/6Pk/8/5NKp/8 b - -
34
0.00
h1=Q+
h1=Q+ Kxh1 Kg3 Kg1 e4 Nxe4+ Kxg4 Kg2 Kf4 Nf2
8/8/6p1/4p3/6P1/6k1/5N2/7K w - -
27
0.00
Ne4+
Ne4+ Kxg4 Kg2 g5 Nf2+ Kf4 Nd3+ Ke4 Nf2+ Kd5
8/8/6p1/4p3/6Pk/8/5N2/7K b - -
39
0.00
Kg3
Kg3 Kg1 Kf3 Nd3 e4 Ne1+ Kxg4 Kg2 Kf4 Kf2
8/8/6p1/4p3/6P1/6k1/5N2/6K1 b - -
41
0.00
Kf3
Kf3 Nd3 e4 Ne1+ Kxg4 Kg2 Kf4 Kf2 e3+ Ke2
rnbqkbnr/pp1ppppp/8/2p5/4P3/8/PPPP1PPP/RNBQKBNR w KQkq -
56
0.25
Nf3
Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 h3 e6
r5k1/p4pb1/4rnpp/1p2p3/4P1P1/3NBP2/1PP4P/R3K2R w KQ -
24
1.70
Rxa7
Rxa7 Rxa7 Bxa7 Ra6 Be3 Ra1+ Bc1 Ne8 Rg1 f6
8/8/8/8/3K4/5kN1/3Q4/8 w - -
99
M4
Nf1
Nf1 Kg4 Ke4 Kh5 Kf5 Kh4 Qh6#
r5k1/R4pb1/4rnpp/1p2p3/4P1P1/3NBP2/1PP4P/4K2R b K -
20
1.60
Rxa7
Rxa7 Bxa7 Ra6 Be3 Ra1+ Bc1 Ne8 Rg1 f6 Ke2
6k1/5pb1/5npp/1p2p3/4P1P1/3NBP2/1PP4P/r3K2R w K -
21
1.64
Bc1
Bc1 Ne8 Rg1 f6 Ke2 Bf8 h4 Nd6 h5 Kf7
8/5kp1/6N1/5K2/4N3/8/8/8 b - -
58
M22
Ke8
Ke8 Ke6 Kd8 Kd6 Kc8 Nc5 Kd8 Ne6+ Ke8 Ng5
8/8/6p1/8/4p1P1/6k1/5N2/6K1 w - -
39
0.00
Nxe4+
Nxe4+ Kxg4 Kg2 Kf4 Nf2 g5 Kh3 Kf3 Ng4 Ke2
r1bq1rk1/1pp3bp/n2p1pp1/p1nPp1P1/2P1P3/2N1BN1P/PP2BP2/R2QK2R w KQ -
17
0.45
gxf6
gxf6 Qxf6 Qd2 a4 Rg1 Bxh3 Rg3 Bd7 O-O-O Nb4
R4nk1/6p1/P7/5Nb1/8/2p2p2/8/5K2 b - -
21
5.31
c2
c2 Rc8 c1=Q+ Rxc1 Bxc1 a7 g6 Nd6 Bf4 Ne4
rnbqkb1r/pppp1ppp/4pn2/8/2PP4/5N2/PP2PPPP/RNBQKB1R b KQkq -
61
0.12
d5
d5 g3 Bb4+ Bd2 Be7 Bg2 O-O Qc2 c6 O-O
rnbqkbnr/pp2pppp/8/3p4/3P4/2N5/PP2PPPP/R1BQKBNR b KQkq -
45
0.17
Nf6
Nf6 Bf4 Nc6 e3 Bf5 Qb3 Na5 Bb5+ Bd7 Qc2
8/8/5pk1/6pp/3P4/1r4P1/2R2K1P/8 w - -
47
0.00
Rd2
Rd2 Kf5 Kg2 Rb6 Kf3 Ra6 Ke3 Ra3+ Rd3 Ra8
r1bq1rk1/pppnppbp/3p1npB/8/3PP3/5P2/PPPQ2PP/RN2KBNR w KQ -
27
0.58
Nc3
Nc3 Bxh6 Qxh6 c5 Nge2 b5 h4 b4 Nd5 e6
8/8/6p1/8/4N1P1/6k1/8/6K1 b - -
37
0.00
Kxg4
Kxg4 Kg2 Kf4 Nf2 g5 Nd3+ Kf5 Kf3 Ke6 Kg3
4k3/6p1/6N1/5K2/4N3/8/8/8 w - -
65
M22
Ke6
Ke6 Kd8 Kd6 Kc8 Kc6 Kd8 Ng5 Ke8 Kd6 Kd8
2r1r1k1/5p2/6R1/4NQp1/P7/1q5P/5PP1/4R1K1 b - -
92
M15
fxg6
fxg6 Qxg6+ Kh8 Qh5+ Kg8 Qxg5+ Kh7 Qg6+ Kh8 Re4
1q2r2k/3n1Qbp/4p1p1/3bN3/1p4P1/1P5P/rB4BK/2RR4 w - -
28
-10.38
Rc2
Rc2 Nxe5 Qxe8+ Qxe8 Rcd2 Bxg2 Rd8 Bc6 Rxe8+ Bxe8
3r4/1p4k1/p1bPR3/5p2/2B2P1p/8/PP4P1/4K3 w - -
33
2.67
Kf2
Kf2 a5 a3 Bd7 Re7+ Kg6 Bb3 b5 Bf7+ Kf6
7r/p1q1kp2/2p1pp2/2p2B2/8/8/PPPP3P/R1BQR1rK w - -
78
M-6
Kxg1
Kxg1 Qxh2+ Kf1 Qf4+ Kg1 Qg3+ Kf1 Rh1+ Ke2 Rh2+
rnbqkbnr/pp1ppppp/8/2p5/4P3/2P5/PP1P1PPP/RNBQKBNR b KQkq -
54
0.07
Nf6
Nf6 e5 Nd5 Nf3 Nc6 Bc4 Nb6 Bb3 d6 exd6
3r4/4Rbk1/3P4/pp3p2/5P1p/P2B4/1P3KP1/8 w - -
33
5.04
Bxb5
Bxb5 Kf6 Rc7 Rxd6 Rc6 Rxc6 Bxc6 Bb3 Kg1 Ke6
3r4/4R1k1/3P4/pp1b1p2/5P1p/P2B4/1P3KP1/8 b - -
43
3.29
Kf6
Kf6 Bxb5 Be6 Ra7 Rxd6 Ke3 Rd1 Rxa5 Re1+ Kd2
3r4/1p3k2/p1bPR3/5p2/2B2P1p/8/PP4P1/4K3 b - -
36
1.32
b5
b5 Bb3 a5 a3 a4 Ba2 Bd7 Rh6+ Kg7 Rxh4
7r/1p6/p1bP2k1/4Rp2/5P1p/8/PP4P1/3K1B2 w - -
32
1.12
Bd3
Bd3 Bd7 Ke2 Rd8 b3 Bc8 Rd5 Be6 Rd4 b5
3qrk2/p1r2pp1/1p2pb2/nP1bN2Q/3PN3/P6R/5PPP/R5K1 w - -
99
M3
Qxf7+
Qxf7+ Rxf7 Ng6+ Kg8 Rh8#
2kr1b1r/pp1npppp/2p1bn2/7q/5B2/2NB1Q1P/PPP1N1P1/2KR3R w - -
99
M2
Qxc6+
Qxc6+ bxc6 Ba6#
r4n1k/pp2r3/2p1PN1p/3p1P2/8/8/PPPK4/6R1 w - -
99
M1
Rg8#
Rg8#
r4n1k/pp2r1p1/2p1PN1R/3p1P2/8/8/PPPK4/6R1 b - -
99
M1
gxh6
gxh6 Rg8#
rn1qkb1r/1b2pppp/p2p4/1p4P1/3N2Q1/4B3/PPP2P1P/R3KBR1 b Qkq -
38
-0.56
g6
g6 h4 Bg7 h5 Nc6 O-O-O O-O hxg6 hxg6 f4
8/8/2N2k2/8/1p6/p3p3/K7/8 w - -
50
0.00
Nxb4
Nxb4 Kf5 Nc2 Ke4 Nxe3 Kxe3 Kxa3 Kf4 Kb4 Kf5
2k5/1n3K2/1p2P3/pB6/P7/5r2/5p2/3R4 w - -
60
0.00
Kg7
Kg7 Re3 Kf6 Rf3+ Kg6 Re3 Kf6
1R6/4qppk/6n1/b2p2Pp/2pP2b1/p1P5/P1B1rPPB/2Q2NK1 w - -
30
1.32
Be5
Be5 h4 Qf4 Rxc2 Qxg4 Bd8 Qh5+ Kg8 Qf3 Rb2
1R6/4qppk/6n1/b2pB1Pp/2pP2b1/p1P5/P1B1rPP1/2Q2NK1 b - -
53
1.89
Qe6
Qe6 Ne3 Bxc3 Bxg6+ Qxg6 Qxc3 Qxg5 Nxd5 Bf5 Nf4
rn2k2r/ppp2p1p/4bp2/8/2p1PP2/2N5/PP4PP/R3KB1R b KQkq -
21
0.44
c6
c6 f5 Bc8 Bxc4 Nd7 Kf2 Ke7 Be2 Ne5 Rhd1
rn2k2r/pp3p1p/2p1bp2/8/2p1PP2/2N5/PP4PP/R3KB1R w KQkq -
20
0.36
f5
f5 Bc8 Bxc4 Nd7 Kf2 Ne5 Be2 b6 b3 Ke7
5k2/6pp/2B2P2/PPR3r1/3P4/7P/6P1/1b4K1 b - -
17
10.74
Rxc5
Rxc5 dxc5 Bd3 a6 gxf6 a7 Bxb5 Bxb5 Kg7 a8=Q
6k1/3q1pp1/6n1/b2p2Pp/2pP2b1/p1P5/P1BQrPPB/1R3NK1 w - -
30
-0.85
Rb8+
Rb8+ Kh7 Qc1 Bc7 Bxc7 Qxc7 Ra8 Qe7 f3 Bd7
r1b1k2r/pp1n1p1p/2p2p2/5P2/2B1P3/2N5/PP4PP/R3K2R w KQkq -
20
0.36
Kf2
Kf2 Ne5 Be2 b6 Rac1 Ke7 b3 Bb7 Rhd1 Rhd8
rnbqkb1r/ppp1pppp/5n2/8/2pPP3/2N5/PP3PPP/R1BQKBNR b KQkq -
38
-0.16
e5
e5 Nf3 exd4 Qxd4 Qxd4 Nxd4 Bc5 Ndb5 Na6 Bf4