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Tigran Petrosian vs Helmut Pfleger
Bamberg (1968), Bamberg FRG, rd 8, Apr-19
Spanish Game: Morphy Defense. Chigorin Defense Panov System (C99)  ·  1-0

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)18.d5 was played in Nakamura vs D Naroditsky, 2018 (1-0)better is 19...h6 20.Qe2 Re8 21.Rc3 Bd8 22.dxe5 Nxe5 23.Nxe5 dxe5 = -0.04 (23 ply)= +0.50 (26 ply) 25...Qxd4 26.Nxd4 Ra7 27.Nb6 Rc5 28.Nxd7 Nxd7 29.Rb4 Bf8 = +0.07 (26 ply) ⩲ +0.84 (23 ply)better is 26...Rc7 27.Qb2 Bf8 28.Nb6 Ra5 29.Nxd7 Nxd7 30.Nd4 Ne5 = +0.25 (24 ply) ⩲ +0.78 (26 ply)better is 35.Bc2 Nf8 36.Rb8 Nd7 37.Qd3 Nf8 38.Qd2 Rb5 39.Ra8 Bc6 ⩲ +1.10 (27 ply) ⩲ +0.58 (26 ply)better is 36.Rb8 g6 37.Bb1 Rb5 38.Rxb5 Bxb5 39.Qxd5 Be8 40.Qd6 ⩲ +0.87 (26 ply)= +0.13 (27 ply) 39...Rc7 40.Bf1 Kh7 41.Qb6 Ne6 42.h4 Rc3 43.Rb7 Rc7 = +0.12 (29 ply) ⩲ +0.95 (27 ply) 40...Rc7 41.Qb6 Rc6 42.Qd4 Rc7 43.Qxd5 Bc6 44.Qd6 Bxf3 ⩲ +0.57 (27 ply)+- +3.59 (29 ply)55...Qg5 56.Qh8+ Kf7 57.Qh7+ Kf6 58.Rb8 Qxg6 59.Rf8+ Ke5 +- +55.81 (28 ply)1-0

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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Kibitzer's Corner
Jan-11-17
Premium Chessgames Member
  Honza Cervenka: 40...Ne6 was a decisive mistake. Black should not allow to pin his Bishop. Iron Tigran, who had some advantage during the course of whole game, gave his opponent no chance after that.

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