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Yuri Averbakh vs Donald Byrne
USA - Soviet Union (1954), New York, NY USA, Jun-23
Queen's Gambit Declined: Semi-Tarrasch Defense. Main Line (D42)  ·  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 9 v010218 (minimum 6s/ply) 11...b6 12.Qc2 g6 13.Bh6 Re8 14.Qd2 Bb7 15.Rfe1 Rc8 = 0.00 (23 ply) ⩲ +1.00 (20 ply) after 12.Bd2 Qc7 13.Qc2 g6 14.h4 Bf6 15.Bh6 Bg7 16.Bxg7 Kxg7 better is 14.h3 b6 15.c4 Bd7 16.Bd2 Rac8 17.Rfe1 Rfe8 18.Qa2 Ne7 ⩲ +0.84 (21 ply)= +0.26 (23 ply) 15...b6 16.Qb3 Nd8 17.Bd2 Bd7 18.Rb4 Bc6 19.Ne5 Bb7 = +0.27 (21 ply) ⩲ +1.41 (19 ply)better is 18.h3 h6 19.a4 Bd7 20.Ba3 Rfe8 21.Bc5 Qf7 22.Bb6 Bd6 ⩲ +1.21 (22 ply) ⩲ +0.68 (21 ply) after 18...Re8 19.Qa2 Kh8 20.Qc4 Bd7 21.Bd2 Qg6 22.Qc5 Qf6 better is 19.Qa2 Rfe8 20.Qc4 Bd6 21.Bd2 Qf7 22.Qa2 h6 23.Re2 Bc7 ⩲ +1.07 (20 ply)= +0.50 (21 ply)better is 21.Bf1 Nd8 22.c4 Nf7 23.Ba3 Rfd8 24.d5 exd5 25.cxd5 Bd6 ⩲ +0.97 (23 ply)= +0.35 (23 ply) after 21...Rfe8 22.Qd3 b5 23.Ba3 Na5 24.axb5 axb5 25.d5 exd5 better is 23...Nd8 24.g3 Bc6 25.Bb3 Qf6 26.d5 exd5 27.Rxe8+ Bxe8 = +0.32 (24 ply) ⩲ +0.94 (21 ply)better is 24...Qg6 25.d5 exd5 26.Rxe8+ Qxe8 27.cxd5 Ne5 28.Nd4 Ng4 ⩲ +0.61 (21 ply) ⩲ +1.29 (22 ply) 25...Qg6 26.d5 exd5 27.cxd5 Nf7 28.Rxe8+ Bxe8 29.Qd4 Bd8 ⩲ +1.26 (22 ply) 26.d5 e5 27.a5 Bd6 28.Ba1 Nf7 29.Rxb6 Rxb6 30.axb6 Bb4 ± +2.24 (26 ply) ⩲ +0.85 (25 ply)better is 32.Kh1 Bc6 33.Qd3 Rbd8 34.Rbd1 Qf7 35.Bb3 Nh7 36.Re5 Nf6 ± +1.60 (23 ply) 32...Bc6 33.Bxg5 Qxg5 34.Qd3 Rbd8 35.Re5 Qf4 36.Rd1 Qxe5 ⩲ +0.96 (28 ply) 33.Kh1 Bc6 34.Bc4 Red8 35.Bf4 Nh3 36.Rxe6 Nf2+ 37.Kg1 ± +1.85 (23 ply)= 0.00 (29 ply) 35.g4 fxg3+ 36.Kxh3 e5+ 37.Kg2 Qf5 38.Rb2 exd4 39.Rh1 d3 ⩲ +0.58 (28 ply) ⩱ -1.07 (29 ply)better is 39...e5 40.Bf7 Qg3+ 41.Kh1 Rf8 42.Rxe5 Qh4+ 43.Kg1 Rxf7 ⩱ -0.96 (21 ply) ∓ -1.83 (27 ply) 46.Bf7 Qg3+ 47.Kh1 Rf8 48.Rxe5 Qh4+ 49.Kg1 Rxf7 50.Qe1 ⩱ -1.11 (20 ply)-+ -4.41 (27 ply) 49.Qf3 Qe1+ 50.Kh2 Qxc1 51.Rf2 b3 52.Bxb3 Bd7 53.e5 Qxc5 -+ -4.33 (25 ply)-+ -10.56 (28 ply)-+ mate-in-13 after 54...d3 55.Kg1 Bxg2 56.Qxg2 d2 57.Bxg7+ Kh7 55...Bxc6 56.Bb5 Bxg2+ 57.Qxg2 d3 58.Qxg3 fxg3 59.Be5 d2 -+ -132.69 (30 ply) 56.c7 h5 57.Bxd4 h4 58.c8=Q Rxc8 59.Bxc8 h3 60.Bxh3 ⩱ -0.73 (30 ply)-+ mate-in-8 after 56...f3 57.Rxg3 fxe2+ 58.Kh2 e1=Q 59.Rg2 Re5 60.Bc8 Rh5+ ; 57.Bxg7+ Qxg7 58.Qxe4 Rxe4 59.Rxg7 Kxg7 60.Bxd3 Re1+ -+ -132.69 (35 ply)0-1

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

Annotations by Stockfish (Computer).      [35437 more games annotated by Stockfish]

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