fen
stringlengths
24
80
depth
int64
1
245
evaluation
stringlengths
2
7
best_move
stringlengths
2
7
best_line
stringlengths
2
67
rnbqkbnr/pppp1ppp/8/4p3/4P3/8/PPPP1PPP/RNBQKBNR w KQkq -
61
0.15
Nf3
Nf3 Nc6 Bb5 Nf6 O-O Nxe4 Re1 Nd6 Nxe5 Be7
7r/1p4k1/p1bP4/5p1p/5P2/3B4/PP4P1/3KR3 b - -
35
0.03
Rd8
Rd8 Re7+ Kf6 Re5 Bd7 Ke2 Be6 Rc5 Rxd6 g3
r4r1k/ppn1NBpp/4b3/4P3/3p1R2/1P6/P1P3PP/R5K1 w - -
99
M2
Ng6+
Ng6+ hxg6 Rh4#
2kr1b1r/pp1npppp/2Q1bn2/7q/5B2/2NB3P/PPP1N1P1/2KR3R b - -
99
M1
bxc6
bxc6 Ba6#
rnb1k2r/ppp2ppp/5n2/8/2pbP3/2N1B3/PP3PPP/R3KB1R w KQkq -
18
0.50
Bxd4
Bxd4 Be6 Nb5 Na6 f3 O-O Bc3 Nd7 Nd4 Nb6
4r1k1/6b1/p3p3/1p1pP2r/2pP2RN/2P5/PP4R1/7K b - -
28
0.02
Kh8
Kh8 Kg1 Bh6 Ng6+ Kh7 Nf4 Bxf4 Rxf4 Re7 Rfg4
8/3k4/4R3/2K5/8/8/8/8 w - -
99
M7
Re4
Re4 Kc7 Re7+ Kd8 Kd6 Kc8 Kc6 Kb8 Re8+ Ka7
q5k1/5pp1/8/1pb1P3/2p4p/2P4r/1P3PQ1/1N3RK1 b - -
71
M-12
Rg3
Rg3 Qxg3 hxg3 Nd2 Qd5 b4 Be3 Rd1 Bxf2+ Kf1
r2q1rk1/1p4bp/1n1pbn2/2p1p1B1/2P2pPN/pPNP3P/P1BQ1P2/2KR2R1 b - -
20
0.47
Kh8
Kh8 Qe2 Nbd7 Nb5 d5 Nf5 Bxf5 gxf5 Qb6 Rg2
1k6/8/1K6/1P6/8/8/8/8 w - -
99
M14
Ka6
Ka6 Kc7 b6+ Kc8 Ka7 Kd7 b7 Ke6 Kb6 Ke5
rn3rk1/p5pp/2p5/3Ppb2/2q5/1Q6/PPPB2PP/R3K1NR b KQ -
99
M-3
Qf1+
Qf1+ Kxf1 Bd3+ Ke1 Rf1#
4k2r/pp3ppp/2q1pn2/3r4/5Q2/2PB3P/P4PP1/2R2RK1 w - -
26
0.00
Be2
Be2 e5 Qg3 Kf8 c4 Ra5 c5 Rxc5 Rxc5 Qxc5
r5k1/ppp2p1p/6pB/4n2n/3bPp2/2NB2qP/PPP3P1/R2Q1R1K b - -
32
2.07
Qh4
Qh4 Ne2 f3 Qe1 Qxe1 Rfxe1 Nxd3 cxd3 fxe2 g4
5bk1/5p2/5np1/1p2p2p/4P1P1/1P2BP1P/1rP1K3/2N4R w - -
20
2.07
Kd3
Kd3 Rb1 Rg1 Ra1 Kc3 Kg7 Kb2 Ra8 Nd3 hxg4
8/2k5/8/3K4/3P4/8/8/8 b - -
75
0.00
Kd7
Kd7 Kc5 Kc7 d5 Kd7 d6 Kd8 Kd5 Kd7 Ke5
8/8/3k4/5K2/4P3/8/8/8 w - -
99
M15
Kf6
Kf6 Kd7 e5 Ke8 Ke6 Kd8 Kf7 Kc7 e6 Kd6
8/6k1/5rp1/8/5PPp/4R2P/6K1/8 w - -
20
2.59
Kf3
Kf3 g5 f5 Ra6 Re7+ Kf8 Rh7 Ra4 Rh5 Kf7
rnbqkb1r/pppppppp/5n2/8/3P4/8/PPP1PPPP/RNBQKBNR w KQkq -
59
0.17
c4
c4 e6 Nf3 d5 Nc3 Bb4 Bg5 dxc4 e4 c5
7k/7p/8/6N1/8/8/8/6RK w - -
99
M1
Nf7#
Nf7#
r1bqk2r/pp2bppp/2n1pn2/3p2B1/2PP4/2NB1N2/PP3PPP/R2QK2R b KQkq -
29
-0.18
O-O
O-O O-O dxc4 Bxc4 b6 a3 h6 Bh4 Bb7 Qd3
4k3/6p1/3N2N1/5K2/8/8/8/8 b - -
44
0.84
Kd7
Kd7 Ke5 Kc6 Ne4 Kb5 Kd4 Kb4 Ng5 Kb3 Kd3
2kr1b1r/p2npppp/2p1bn2/7q/5B2/2NB3P/PPP1N1P1/2KR3R w - -
99
M1
Ba6#
Ba6#
8/8/8/8/6Q1/4K3/8/7k b - -
99
M2
Kh2
Kh2 Kf2 Kh1 Qg2#
1k6/8/K7/1P6/8/8/8/8 b - -
99
M13
Kc7
Kc7 b6+ Kc8 Ka7 Kd7 b7 Ke6 b8=Q Kf5 Qg3
8/3k2p1/3N2N1/5K2/8/8/8/8 w - -
44
0.78
Ke5
Ke5 Kc6 Ne4 Kb5 Kd4 Kb4 Ng5 Kb3 Kd3 Kb4
rnbqkb1r/pp2pp1p/6p1/2pp4/3Pn3/1P1BPN2/PBP2PPP/RN1QK2R b KQkq -
16
0.11
Qa5+
Qa5+ c3 Bg7 O-O cxd4 exd4 Nc6 Re1 Bf5 Nh4
8/R4p1k/3r2p1/7p/7P/8/5PPK/8 b - -
50
0.00
Kg7
Kg7 Ra2 Rb6 g3 Kf6 Kg2 Ke7 Ra7+ Ke6 Kh3
r3k2r/1p2pp2/p1npbnpb/6Qp/2B1P2P/1NN5/PPP2PP1/2KR2R1 w kq -
37
1.24
Bxe6
Bxe6 fxe6 e5 dxe5 Qxh6 Rxh6 Nc5 Nd8 Rge1 Rc8
4r1k1/3q2P1/6Q1/8/6p1/6Pp/7P/5R1K w - -
56
M30
Rf8+
Rf8+ Rxf8 Qh7+ Kxh7 gxf8=N+ Kg7 Nxd7 Kg6 Kg1 Kf5
8/8/3k4/4PK2/8/8/8/8 b - -
54
0.00
Ke7
Ke7 e6 Ke8 Ke5 Ke7 Kd5 Ke8 Kd6 Kd8 e7+
rnbqkb1r/pp1p1ppp/4pn2/2P5/2P5/8/PP2PPPP/RNBQKBNR w KQkq -
32
0.06
Be3
Be3 Qa5+ Nd2 Bxc5 Bxc5 Qxc5 Ngf3 b6 e3 Bb7
2rqkb1r/pp2pppp/2n2nb1/1BppN3/6PP/1P2P3/PBPP1P2/RN1QK2R b KQk -
24
0.71
d4
d4 Nxc6 bxc6 Ba6 dxe3 fxe3 Qc7 Rh3 h5 g5
8/2k5/K7/1P6/8/8/8/8 w - -
99
M13
b6+
b6+ Kc8 Ka7 Kd7 b7 Ke6 b8=Q Kf5 Kb6 Ke4
3r4/1p4k1/p1bP4/5p1p/5P2/3B4/PP4P1/3KR3 w - -
41
0.04
Re7+
Re7+ Kf6 Re5 Bd7 Rc5 Be6 Ke2 Rxd6 g3 Rd7
8/3k4/8/3K4/3P4/8/8/8 w - -
80
0.00
Kc4
Kc4 Kd6 d5 Kd7 Kc3 Ke8 Kd4 Kd7
8/8/8/8/6Q1/4K3/7k/8 w - -
99
M2
Kf3
Kf3 Kh1 Qg2#
r1b2rk1/pp3p1p/1q2p1p1/2npP1N1/8/4R3/PPQ2PPP/R4BK1 b - -
19
0.00
h6
h6 Nxf7 Kxf7 Rf3+ Kg7 Rxf8 Kxf8 Qxg6 Ne4 Qxh6+
r1q1r1k1/p1pb1pp1/2p1pn1p/4N3/Q1B1P3/B7/P4PPP/3R1RK1 w - -
42
6.62
Ba6
Ba6 Qd8 Rfe1 Rb8 Bc5 Rb2 Qa3 Rb8 Rd4 Nd5
rnbqkb1r/p3pppp/2p2n2/8/p1pP4/1P2PN2/5PPP/RNBQKB1R w KQkq -
25
1.20
bxc4
bxc4 c5 Ne5 a5 g3 e6 Bg2 Ra6 Qxa4+ Nfd7
rnbqkbnr/pppp1ppp/8/4p3/4P3/2N5/PPPP1PPP/R1BQKBNR b KQkq -
54
0.10
Nc6
Nc6 Nf3 Nf6 d4 exd4 Nxd4 Bb4 Nxc6 bxc6 Bd3
8/8/8/5k2/1N2p3/p7/K7/8 b - -
42
0.00
Kf4
Kf4 Kxa3 Ke3 Kb2 Kd2 Kb3 e3 Kb2 e2 Nc2
r1bq1rk1/p2nbppp/1pp1pn2/3p4/2PP4/5NP1/PPQ1PPBP/RNBR2K1 w - -
34
0.29
Nbd2
Nbd2 Ba6 e4 Nxe4 Nxe4 dxe4 Ne5 Nxe5 dxe5 Qc7
r1bqkb1r/ppp2pp1/5n1p/n2Pp1N1/2B5/3P4/PPP2PPP/RNBQK2R w KQkq -
33
-0.26
Nf3
Nf3 e4 Nd4 Bc5 Be3 O-O Ne6 Bxe6 dxe6 Bxe3
2kr4/3p4/8/8/5B2/8/8/5BK1 w - -
99
M1
Ba6#
Ba6#
5k2/6Pp/2B5/PPR5/3P4/6rP/6P1/1b4K1 b - -
19
8.31
Kxg7
Kxg7 Bf3 Bd3 a6 Kf7 a7 Rg8 Bd5+ Kg7 Bxg8
8/3B4/6k1/p4p2/5P1p/Pb6/1P4P1/6K1 b - -
58
7.31
Bc2
Bc2 Kh2 a4 Kh3 Kf7 Kxh4 Kf6 Be8 Bd1 Bc6
3rqrk1/p1p2ppp/2P2n2/8/1b4b1/2N5/PPP1BPPP/R1BQ1RK1 w - -
31
-1.24
Bxg4
Bxg4 Rxd1 Bxd1 Bxc3 bxc3 Qxc6 Be3 Qxc3 Rb1 a6
4r1k1/3q1pp1/6n1/b2p2Pp/2pP2b1/p1P1Q3/P1B2PPB/1R3NK1 w - -
33
-0.30
Rb8
Rb8 Rxb8 Bxb8 Qe6 Nh2 Qxe3 fxe3 Be2 Bd6 Bd3
8/6k1/2r3p1/8/6Pp/4R2P/5PK1/8 w - -
23
0.10
f4
f4 Rc4 Kf3 Rc1 g5 Rg1 Ke4 Rf1 Rc3 Re1+
r1b2rk1/3nppbp/p2p2p1/Qpp5/2RPP3/5P2/PP2N1PP/1K3B1R b - -
26
-0.58
bxc4
bxc4 Nf4 c3 Qxc3 Bxd4 Qa5 Rb8 b3 Ne5 h4
8/Pq4pk/5pQp/5P1K/6PP/8/8/8 b - -
86
M13
Kh8
Kh8 Qe8+ Kh7 a8=B Qb3 Bc6 Qc4 Bd7 Qg8 Qe7
3rk2r/pp2bpp1/1np1p2p/1Q2P2P/5P2/2P3N1/PP1B2P1/R4RK1 b k -
22
0.10
cxb5
cxb5 Rad1 O-O Ne4 Rd5 Be3 Rfd8 Bxb6 Rxd1 Bxd8
8/3k4/8/8/2KP4/8/8/8 b - -
64
0.00
Kd6
Kd6 d5 Kc7 Kd3 Kd7 Ke3 Ke7 Kf4 Kf6 d6
rnbqkbnr/pppp1ppp/4p3/3P4/8/8/PPP1PPPP/RNBQKBNR b KQkq -
31
-0.67
exd5
exd5 Qxd5 Nf6 Qd1 d5 g3 Bc5 Bg2 O-O Nf3
8/8/8/8/6Q1/5K2/7k/8 b - -
99
M1
Kh1
Kh1 Qg2#
5N2/1p6/5p1k/p2ppbp1/P2PP3/5PKP/6P1/8 b - -
28
-2.58
dxe4
dxe4 fxe4 Bxe4 dxe5 fxe5 Nd7 b5 axb5 a4 Nc5
r1bqkbnr/ppp1pppp/2n5/3p4/3P1B2/8/PPP1PPPP/RN1QKBNR w KQkq -
43
0.39
e3
e3 Nf6 Nd2 Bf5 a3 e6 c4 Bd6 Bxd6 Qxd6
2k1rb1r/ppp3pp/2n2q2/3B1b2/5P2/2P1BQ2/PP1N1P1P/2KR3R b - -
99
M-2
Qxc3+
Qxc3+ bxc3 Ba3#
8/6k1/2r3p1/8/5PPp/4R2P/6K1/8 b - -
37
0.11
Rc2+
Rc2+ Kf3 Rh2 Ke4 Rh1 g5 Rb1 Rc3 Re1+ Kf3
8/8/8/8/8/KN2k3/5p2/8 b - -
54
M-13
f1=Q
f1=Q Kb4 Qb1 Kc3 Qe4 Nc1 Qd4+ Kb3 Qd2 Kc4
2R2nk1/2P2p1p/3B4/4p1p1/p3b3/6P1/4PP1P/6K1 b - -
22
11.69
Kg7
Kg7 Rxf8 Bf5 f3 a3 g4 Be6 Re8 a2 Bxe5+
r3r1k1/ppp2p1p/2n3p1/4bb2/8/1NP2N2/PP3PPP/R1B1R1K1 w - -
28
-0.19
Be3
Be3 Bd6 Nbd4 Nxd4 Nxd4 Bd7 a4 a6 Nb3 Bf5
r1bqk2r/ppp2pp1/2np1n1p/2b1p3/2B1P2B/2NP1N2/PPP2PPP/R2QK2R b KQkq -
30
-0.15
g5
g5 Bg3 a6 Nd2 Qe7 h4 Rg8 Nd5 Nxd5 Bxd5
8/3k4/8/2K5/8/4R3/8/8 b - -
20
M6
Kc7
Kc7 Re7+ Kd8 Kd6 Kc8 Kc6 Kb8 Re8+ Ka7 Rh8
8/8/8/8/4k3/5p2/8/4K3 w - -
51
0.00
Kf2
Kf2 Kf4 Kf1 Kg3 Kg1 Kh3 Kf2 Kg4 Kf1
2rr2k1/5ppp/pb2p3/1p2P3/1P2bPnq/P1N3P1/1B2Q2P/R4R1K w - -
26
-1.28
Nxe4
Nxe4 Qh5 Nd6 Rc7 Rac1 h6 h4 Rxc1 Bxc1 Bd4
r1b2rk1/pp3p2/1q2p1pp/2npP1N1/8/4R3/PPQ2PPP/R4BK1 w - -
21
0.00
Nxf7
Nxf7 Kxf7 Rf3+ Kg7 Rxf8 Kxf8 Qxg6 Ne4 Qxh6+ Kg8
6k1/4r1b1/p3p3/1p1pP2r/2pP2RN/2P5/PP4R1/7K w - -
26
0.30
Kg1
Kg1 Rf7 Nf3 Rxf3 Rxg7+ Kf8 Rg8+ Ke7 Ra8 Kf7
r1bq1rk1/pp1pppbp/5np1/8/2PQ4/2N3P1/PP2PPBP/R1B2RK1 b - -
35
0.48
d6
d6 Qd3 Bf5 e4 Be6 b3 Nd7 Bd2 a6 Rfc1
r2q1rk1/1ppb1pbp/n2p2p1/p1nPp3/2P1P1P1/2N1B2P/PP1NBP2/R2QK1R1 b Q -
16
-0.27
Kh8
Kh8 g5 f5 h4 f4 Bxc5 Nxc5 Nb3 Na4 Nxa4
7k/Pq4p1/5pQp/5P1K/6PP/8/8/8 w - -
98
M13
Qe8+
Qe8+ Kh7 a8=B Qb3 Bc6 Qc4 Bd7 Qg8 Qe7 Qb3
Q7/3n2p1/4k3/4N3/8/5p2/8/2b2K2 w - -
24
M39
Qe8+
Qe8+ Kf6 Nxd7+ Kg5 Ne5 Kf4 Qf7+ Kxe5 Qc7+ Kf6
rnbqkb1r/ppp1pppp/3p1n2/8/4P3/2N2N2/PPPP1PPP/R1BQKB1R b KQkq -
34
0.36
c5
c5 d4 cxd4 Nxd4 a6 Bg5 e6 f4 Qb6 Qd2
8/8/8/8/8/KN2k3/8/5q2 w - -
38
M-13
Kb4
Kb4 Qb1 Kc3 Qe4 Nc1 Qd4+ Kb3 Qd1+ Kc4 Qxc1+
rnbqkbnr/pppp1ppp/8/3p4/8/8/PPP1PPPP/RNBQKBNR w KQkq -
30
-0.58
Qxd5
Qxd5 Nf6 Qd1 d5 Nf3 Nc6 e3 Bd6 c4 dxc4
r1bqk2r/pppp1ppp/2n2n2/2b1p3/2B1P3/2NP3P/PPP2PP1/R1BQK1NR b KQkq -
34
0.06
O-O
O-O Nf3 d6 Na4 Bb6 a3 Be6 Bxe6 fxe6 O-O
8/8/8/8/6Q1/5K2/8/7k w - -
99
M1
Qg2#
Qg2#
r1bq1rk1/1p2bppp/p1n1p3/3n4/2BP4/2N2N2/PP3PPP/R1BQR1K1 w - -
34
0.23
Bb3
Bb3 Bf6 Ne4 h6 a3 b6 h3 Ra7 Qd3 a5
r1bqkb1r/pp2pp1p/2n3p1/2pp4/3Pn3/1P1BPN2/PBP2PPP/RN1QK2R w KQkq -
16
0.28
dxc5
dxc5 Qa5+ Nfd2 Nf6 Nc3 Qxc5 e4 Bg7 exd5 Bg4
r1nq1rk1/1p4bp/3pbn2/2p1p1B1/2P2pPN/pPNP3P/P1BQ1P2/2KR2R1 w - -
21
1.17
Bxf6
Bxf6 Rxf6 g5 Rg6 Nxg6 hxg6 h4 Ne7 h5 Nc6
8/8/8/8/3K1Q2/5kN1/8/8 b - -
29
0.00
Kxf4
Kxf4 Kd5 Ke3 Nf5+ Kf3 Ke5 Kf2 Kd4 Ke1 Kd3
r2qnrk1/bp1b4/p1ppn2p/2P1ppp1/1PN5/P2P2P1/1B1NPPBP/2RQ1RK1 b - -
20
2.14
dxc5
dxc5 Nxe5 cxb4 e3 Kh7 axb4 Nf6 Qc2 g4 Nb3
1R6/5ppk/6n1/b2pq1Pp/2p3b1/p1P3N1/P1B2PP1/2Q3K1 w - -
38
0.88
Rb5
Rb5 Bxc3 Qe3 Qxe3 fxe3 d4 exd4 Bxd4+ Kf1 Bb2
3r4/1p2R1k1/p1bP4/5p1p/5P2/3B4/PP4P1/3K4 b - -
36
0.01
Kf6
Kf6 Re5 Bd7 Kc2 Be6 b3 Rxd6 Re3 Rc6+ Kd2
8/8/2k5/8/2KP4/8/8/8 w - -
66
0.00
d5+
d5+ Kd7 Kc5 Kc7 d6+ Kd7 Kd5 Kd8 Ke6 Ke8
r1b1k2r/p2n1ppp/1p2p3/q2pP3/N2p1P2/3B4/P2N2PP/R2QK2R b KQkq -
29
1.00
Ba6
Ba6 Nb2 Nc5 Bxa6 Qxa6 Qe2 Rc8 Qxa6 Nxa6 Kd1
r7/p4kp1/1pn4p/3R4/P4b2/1Q4P1/5P1P/4qBK1 b - -
16
0.00
Ke7
Ke7 gxf4 Rd8 Qa3+ Kf7 Qd3 Ke7 Rxd8 Nxd8 Qa6
r1bqkb1r/ppp2pp1/5n1p/n2Pp3/2B5/3P1N2/PPP2PPP/RNBQK2R b KQkq -
32
-0.45
e4
e4 Nd4 Bc5 Be3 exd3 cxd3 O-O Nc2 Bd6 Nc3
8/2k5/8/2K5/8/4R3/8/8 w - -
96
M6
Re7+
Re7+ Kd8 Kd6 Kc8 Kc6 Kb8 Re8+ Ka7 Rg8 Ka6
8/1p6/p1bR1rk1/2P1Rp1r/5P1p/3B4/PP4P1/3K4 w - -
50
3.45
Kd2
Kd2 Rxd6 cxd6 Kf6 Ke3 Rh8 Bxf5 Rd8 d7 Bxd7
8/p5p1/3kp1p1/PPp1np2/2P1p3/2K1P2P/4BPP1/8 b - -
29
0.00
g5
g5 f3 exf3 gxf3 Ng6 Kd2 Kc7 Kd3 Kb8 Kc3
3rk2r/pp2bpp1/1n2p2p/1p2P2P/5P2/2P3N1/PP1B2P1/R4RK1 w k -
26
0.08
Rad1
Rad1 O-O Ne4 Rd5 Be3 Rfd8 Rxd5 Nxd5 Bd4 f5
r1b1k2r/1p2pp2/p1np1npb/6Qp/2B1P2P/1NN5/PPP2PP1/2KR2R1 b kq -
31
0.06
Bxg5+
Bxg5+ hxg5 Nh7 f4 Bg4 Rd2 Rc8 Re1 f6 gxf6
8/8/3k1K2/8/4P3/8/8/8 b - -
93
M14
Kd7
Kd7 e5 Ke8 Ke6 Kd8 Kf7 Kc7 e6 Kd6 e7
2r1bN1k/p5p1/1pB5/5R2/2P5/P2Pb1PP/1B5K/R7 b - -
20
5.90
Bxc6
Bxc6 Rh5+ Kg8 Ng6 Kf7 Ne5+ Kg8 Nxc6 Rxc6 Re1
1k4r1/1Np5/p2p2pp/1q2r3/7P/1PQ5/5PP1/3R1RK1 b - -
32
-0.49
Qxb7
Qxb7 Rd4 g5 Rb4 Rb5 Rxb5 Qxb5 Rc1 Qb6 Qf6
r2q1rk1/ppp3bp/n2p1N2/3P1b2/1PP5/1QN1B2P/P3BP2/2KR3R b - -
16
1.38
Qxf6
Qxf6 Nb5 Rae8 Rhg1 Bg6 Nd4 Kh8 Ne6 Rxe6 dxe6
2k1rb1r/ppp3pp/2n5/3B1b2/5P2/2q1BQ2/PP1N1P1P/2KR3R w - -
99
M-1
bxc3
bxc3 Ba3#
8/K1k5/8/1P6/8/8/8/8 b - -
99
M12
Kd6
Kd6 b6 Ke5 b7 Ke4 b8=Q Kf3 Kb6 Ke3 Qg3+
r1bqkbnr/ppp1pppp/2n5/3p4/3P1B2/4P3/PPP2PPP/RN1QKBNR b KQkq -
34
0.34
Nf6
Nf6 Nf3 Nh5 Bg3 Nxg3 hxg3 a6 c4 e6 Nbd2