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Lajos Portisch vs Aleksandar Matanovic
Australian Open (1971), Adelaide, Jan-24
English Opening: Agincourt Defense. Neo Catalan Declined (A14)  ·  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.Rd2 was played in Bogoljubov vs Hilse, 1927 (1-0) 20...Ba6 21.Rfe1 Be2 22.Rd5 c4 23.b4 Bxf3 24.Rxe8+ Qxe8 = +0.37 (24 ply) 21.Bh3 f5 22.Bg2 b5 23.a4 a6 24.Rfe1 Be4 25.Qd2 Qf6 ⩲ +1.21 (23 ply)better is 21...Ba6 22.Rfe1 Be2 23.Rd5 Bxf3 24.Bxf3 Rxe1+ 25.Qxe1 = +0.20 (24 ply) ⩲ +0.70 (23 ply) after 22.Rfe1 Rxe1+ 23.Qxe1 Bxf3 24.Bxf3 Qf6 25.Bc6 Ne5 26.Bg2 22...gxh5 23.Rfe1 Rxe1+ 24.Qxe1 Qf6 25.Nh4 Bxg2 26.Kxg2 = +0.45 (25 ply) ⩲ +1.39 (25 ply) 24...Qf6 25.Qxf6 Nxf6 26.hxg6 hxg6 27.Ne5 Bxg2 28.Kxg2 ⩲ +1.08 (26 ply) 25.Qd2 Bd5 26.hxg6 hxg6 27.Qf4 Nh5 28.Qe5 Bxf3 29.Bxf3 ± +2.18 (25 ply) ⩲ +1.40 (24 ply)better is 28.Ne3 Qf6 29.Qd3 Qd4 30.Qe2 Qe5 31.Qd1 Qd4 32.Qc1 b5 ± +1.84 (23 ply)better is 28...Bc6 29.Bxc6 Qxc6 30.Re7 Rd8 31.Qe1 Qd6 32.Re8+ Rxe8 ⩲ +1.30 (26 ply) 29.Rd1 Be6 30.Nf6+ Nxf6 31.Qxf6 Qf8 32.Bxe6 fxe6 ± +2.00 (30 ply)= 0.00 (30 ply) 35...Qd2 36.Kg2 Bd7 37.Qd5 Bc6 38.Qxc6 Rxf7 39.Rxf7+ = 0.00 (29 ply)+- +8.70 (34 ply)+- mate-in-10 after 38...Qd2 39.Qf8+ Kg5 40.Rxh7 Bc8 41.Qh6+ Kf5 42.Qxd239...Kg5 40.Qxf3 b5 41.Rd7 Kh6 42.Qf8+ Kh5 43.Rd5+ Qg5 +- mate-in-71-0

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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