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Emanuel Lasker vs Walter Henneberger
Zuerich (1934), Zurich SUI, rd 6, Jul-19
Nimzo-Indian Defense: Three Knights Variation (E21)  ·  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)5...b6 was played in Bogoljubov vs Nimzowitsch, 1929 (0-1)better is 6.Bg5 O-O 7.Bh4 b6 8.e3 Bb7 9.Bd3 Nbd7 10.O-O c5 = +0.32 (19 ply)better is 6...b6 7.Bg2 Bb7 8.O-O O-O 9.Bg5 Nbd7 10.Nd2 Bxg2 = -0.31 (20 ply)= +0.29 (22 ply)better is 7...Nbd7 8.Nd2 e5 9.O-O Re8 10.a4 e4 11.f3 exf3 = +0.04 (22 ply) ⩲ +0.57 (22 ply) after 8.c5 dxc5 9.Ba3 Nbd7 10.O-O Ne4 11.Qc2 Nd6 12.Qd3 c4 better is 10.e4 b6 11.O-O Bb7 12.Re1 h6 13.f4 c5 14.Bb2 Rab8 15.Rb1 = +0.50 (24 ply)better is 10...e4 11.e3 Re8 12.Re1 b6 13.f4 Nf8 14.h3 c5 15.g4 h6 = -0.15 (21 ply)better is 11.e4 c5 12.Bb2 b6 13.Re1 Bb7 14.d5 g6 15.Nf1 Kg7 16.h4 ⩲ +0.58 (23 ply)= -0.12 (21 ply) after 11...e4 12.Qe2 c5 13.f3 exf3 14.Rxf3 Nf8 15.Qd3 Bg4 better is 13.Rb5 Bg4 14.Qb3 Rec8 15.Qc2 Be6 16.Re1 cxd4 17.exd4 = +0.09 (21 ply) ⩱ -0.52 (25 ply) 14...Bg4 15.Qc2 Rec8 16.Rfb1 Rc7 17.Ra5 Qd6 18.h3 Be6 = -0.50 (22 ply)= +0.45 (26 ply)better is 19...Qc6+ 20.e4 Ra6 21.Rfb1 Nd7 22.f3 Nc5 23.Nb3 Ne6 = +0.21 (26 ply)better is 20.Rfb1 Ra6 21.e4 Rc8 22.R1b2 g6 23.Qd3 Qc6 24.Rb5 Nd7 ⩲ +0.75 (22 ply)= +0.09 (20 ply)better is 22...Rd3 23.Nxf6+ gxf6 24.e4 Kg7 25.Rb5 Qxc4 26.Rxb6 = +0.08 (29 ply) ⩲ +0.59 (27 ply)better is 23...R8d7 24.f4 exf4 25.Qxe6 f3+ 26.Kxf3 Rxe6 27.Ke2 f6 = +0.36 (24 ply) ⩲ +1.10 (29 ply) after 24.Qxe5 Rh6 25.h4 Re6 26.Qf4 Rf6 27.Qg4 Qd3 28.Qe4 h6 28.Rc7 h6 29.a4 Kh8 30.Rxc5 Qe7 31.Rc8 Rxc8 32.Qxd3 Qa3 ⩲ +1.09 (28 ply) 28...Rc3 29.Rfb2 Qxc4 30.Qxc4+ Rxc4 31.Kg3 h6 32.R2b6 = +0.25 (25 ply) ⩲ +1.13 (26 ply) 31...Qd6 32.Kg3 Kf8 33.h3 Qd1 34.Rb1 Qd3 35.Qxd3 Rxd3 ⩲ +0.97 (26 ply) ± +2.05 (25 ply) after 32.a4 Rd7 33.a5 Qa6 34.Rb5 Qd6 35.Qc2 Qc7 36.Qf2 Qd8 better is 35.a4 Qd6 36.a5 Rd2+ 37.Rxd2 Qxd2+ 38.Kh3 Qxa5 39.g5+ ± +1.95 (25 ply) ⩲ +1.35 (25 ply) 36.Kh2 Rd1 37.a4 Qd6 38.a5 Rd2+ 39.Rxd2 Qxd2+ 40.Kh3 ± +2.06 (28 ply) ⩲ +0.66 (32 ply) 37...Qxd5 38.cxd5 Rd1 39.Rb2 Rxd5 40.Rb7 fxg4 41.fxg4 g5 ⩲ +0.85 (30 ply)+- +2.58 (24 ply) 38...Qe7 39.gxf5 Qxh4 40.fxg6 Qg5+ 41.Kf2 Qh4+ 42.Ke2 ± +2.16 (24 ply)+- mate-in-10 after 39.Qf7 fxg4 40.fxg4 Qa8+ 41.Kg3 Qd8 42.g5+ Qxg5+ +- mate-in-10 after 39...fxg4 40.fxg4 Qa8+ 41.Qxa8 Kg7 42.Qa7+ Kf841...Qg7 42.g5+ Kh5 43.Qxg7 f4+ 44.Kh2 fxe3 45.Qxh7# +- mate-in-41-0

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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Kibitzer's Corner
Dec-25-14  TheFocus: Lasker finished in 5th place at the Zurich tournament held in Zurich, Switzerland with a score of +9=2-4.

This round 6, July 19, 1934.

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