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Ulf Andersson vs Lajos Portisch
Reggio Emilia (1989/90), Reggio Emilia ITA, rd 11, Jan-09
English Opening: Symmetrical Variation. Hedgehog Defense (A30)  ·  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)12.exf3 was played in Van Wely vs Leko, 2010 (1-0)better is 13.Rac1 O-O 14.Rfd1 Qc7 15.Qd3 Rd8 16.Qd2 Nd7 17.Qxd6 ⩲ +0.62 (24 ply)= +0.09 (24 ply)better is 35...Bd8 36.Be4 Rb5 37.Rd4 Ba5 38.Rc4 Rb2 39.Rc2 Rxc2 = +0.10 (26 ply) ⩲ +0.66 (28 ply) 37...Nc5 38.Ne8+ Kf8 39.Ra8 Bd8 40.Nd6 Ke7 41.Nc4 Rb4 = +0.36 (23 ply) ⩲ +1.27 (25 ply) 46.Kg2 h5 47.Nd4 Kg6 48.Rc6+ f6 49.Ne6 Bh6 50.Kf3 Kf7 ⩲ +1.47 (24 ply) 46...Bxb4 47.Nxb4 Rb2 48.Nd5 Kg6 49.Kg2 Kf5 50.Kf3 Rb3 ⩱ -0.90 (37 ply) ± +1.52 (24 ply) after 47.Rg4+ Kf8 48.Rc4 Bb6 49.Ne5 Ra7 50.Ke2 Kg7 51.Nd3 Ra2+ 48...Rb2 49.Ne7 Kf6 50.Nd5+ Ke6 51.Nxb6 Rxb6 52.Kg2 Kf6 ⩲ +1.17 (25 ply) ± +1.97 (30 ply) 50...Bc7 51.Nf5+ Kg6 52.Nh4+ Kf7 53.Rb7 Rd7 54.Ke2 Ke8 ± +1.54 (32 ply) ± +2.38 (31 ply) 54...Kg8 55.Ne6 Bh6 56.Nc5 Rd6 57.Ke2 Bf8 58.Ne4 Re6 ± +2.08 (31 ply)+- +3.80 (30 ply) after 55.f4 h5 56.Ne6 hxg4 57.Nxf8+ Kf5 58.Re7 g3 59.Ne6 Ra2 better is 60.Rb7 Rd1+ 61.Ke2 Rd2+ 62.Kf3 Rb2 63.Nd4 f5 64.Nxf5+ +- +3.84 (30 ply) ± +2.45 (26 ply); 61.Ng7 Kg6 62.Nf5+ Kf7 63.Rg7+ Ke6 64.Rc7 Bb4 65.Rxh7 +- +2.58 (27 ply)1-0

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

Annotations by Stockfish (Computer).      [35435 more games annotated by Stockfish]

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