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Viktor Korchnoi vs Lajos Portisch
Brussels OHRA-A (1986), Brussels BEL, rd 3, Dec-14
Zukertort Opening: Sicilian Invitation (A04)  ·  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)5.c4 was played in Bisguier vs de Firmian, 1981 (1-0)better is 13.Bf1 Rc8 14.g3 a6 15.Bh3 b5 16.d5 bxc4 17.bxc4 exd5 = +0.28 (20 ply)= -0.24 (22 ply)better is 15...Bg7 16.h3 Rc7 17.Qb3 a6 18.Qd3 Qa8 19.d5 exd5 = -0.13 (20 ply)= +0.40 (22 ply)better is 20.Bc3 a6 21.Rcd1 Rec8 22.Qe2 a5 23.h3 Qa6 24.bxa5 bxa5 = +0.21 (18 ply)= -0.41 (21 ply) 22.Qc2 e4 23.Nd4 Ne5 24.Nxe4 Nxe4 25.Rxe4 Nxc4 26.Re2 = 0.00 (26 ply) ⩱ -1.35 (20 ply) 24...Bxd2 25.Qxd2 Nxc4 26.Qf4 Nd5 27.Qh4 h5 28.Ba1 e3 ⩱ -1.48 (22 ply) 25.Nb5 Rd7 26.c5 Nd5 27.Nd6 Nf4 28.Qe3 Nxh3+ 29.Qxh3 Re6 = -0.24 (20 ply)-+ -2.93 (23 ply) 36.Kf1 fxe4 37.Rxe4 Rxe4 38.Qxe4 Qf6 39.Qe2 Qg5 40.Qd3 -+ -3.28 (28 ply) 36...fxe4 37.Rxe4 Rf7 38.Qd1 Rxf2+ 39.Kh1 Rxh2+ 40.Kxh2 -+ -6.83 (25 ply)-+ -3.31 (28 ply)43.Kd1 Qf3+ 44.Kd2 Be3+ 45.Kd3 Bg5+ 46.Kc2 Qe2+ 47.Kb3 -+ mate-in-70-1

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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