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Mikhail Umansky vs Zoltan Ribli
Russia - Hungary (1968), Lipetsk URS, Jun-??
Sicilian Defense: Chekhover Variation (B53)  ·  0-1

8
7
6
5
4
3
2
a
1
b
c
d
e
f
g
h
White to move.
ANALYSIS [x]
Notes by Stockfish 11 (minimum 6s/ply)better is 3.c3 Nf6 4.Bb5+ Bd7 5.Bd3 Nc6 6.Bc2 e5 7.O-O Be7 = +0.45 (33 ply)= -0.15 (36 ply) after 3...Nf6 4.Bb5+ Nbd7 5.Nc3 a6 6.Bxd7+ Nxd7 7.O-O b5 better is 6.Be2 e5 7.Qd3 Be7 8.O-O O-O 9.Be3 Qc7 10.Qc4 Qxc4 = +0.27 (28 ply)= -0.41 (30 ply) 7...e6 8.O-O-O b5 9.e5 dxe5 10.Qxd8+ Nxd8 11.Nxe5 Be7 = -0.20 (31 ply) 8.Bxf6 gxf6 9.Bc4 h5 10.O-O e6 11.Be2 Bh6 12.Qd3 h4 ⩲ +0.71 (29 ply) ⩱ -0.61 (31 ply) 9...Be6 10.Bd3 Bg7 11.O-O O-O 12.h3 Qb6 13.a3 Rac8 ⩱ -0.57 (28 ply) ⩲ +0.92 (29 ply) 11.Qe3 Qa5 12.Kb1 b5 13.Nd2 Bg7 14.Nb3 Qc7 15.h4 g4 16.h5 ⩲ +0.53 (29 ply)better is 11...Bg7 12.Rhe1 Rc8 13.Ng1 Qa5 14.Kb1 O-O 15.h4 g4 ⩱ -0.69 (28 ply) 12.Nd5 Bg7 13.Nxf6+ Bxf6 14.h4 g4 15.Ng1 Qa5 16.Qxa5 = -0.02 (31 ply) ⩱ -0.83 (32 ply)better is 15...Qxd5 16.b3 Be7 17.Qe3 Qa5 18.h4 f6 19.Be4 Rc8 20.Qd3 ⩱ -0.70 (30 ply)= 0.00 (34 ply)better is 19.a4 Kf8 20.Qe1 h5 21.h4 Nxf3 22.Qe3 g4 23.Be2 Nxh4 = 0.00 (34 ply) ⩱ -0.58 (35 ply)better is 20.Qe2 Qc5 21.f4 Ra7 22.fxg5 hxg5 23.Qg4 Kd8 24.f4 gxf4 = -0.15 (32 ply) ⩱ -0.89 (35 ply)better is 23...hxg5 24.Qg4 Bf6 25.f4 Re7 26.Rf1 Re3 27.fxg5 Qxg5 ⩱ -0.97 (31 ply)= -0.41 (30 ply) 25...Re6 26.Bc4 Rc7 27.Bxe6 fxe6 28.Qd3 Bf6 29.Qg6 Qg5 ⩱ -0.96 (31 ply)= 0.00 (39 ply)better is 27.Qxf7 a4 28.bxa4 Rxa4 29.Re1 Ra7 30.Qe6 h5 31.Bf4 Qc6 = 0.00 (39 ply) ⩱ -0.68 (29 ply) 28.Qf6+ Kc8 29.Bc4 a4 30.Bxf7 axb3 31.Bxb3 Bg7 32.Qxd6 = -0.38 (29 ply) 28...Qe5 29.Bd3 Qxf4 30.Bxf4 Kc7 31.Rg1 Kc6 32.Bd2 d5 -+ -2.95 (29 ply) ⩱ -1.23 (28 ply) 30.Qf3 Re1 31.Bf4 R8e4 32.Rc1 Rxc1+ 33.Bxc1 Re1 34.Qa8+ ⩱ -1.42 (28 ply)-+ -2.70 (29 ply)40.Be8 Kd6 41.Bb5 Ke5 42.axb4 axb4 43.Rf1 Rg3 44.Kc1 -+ -9.54 (25 ply)0-1

rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
FEN COPIED

Annotations by Stockfish (Computer).      [35434 more games annotated by Stockfish]

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