Friday, November 10, 2006

Tal Memorial: Shirov - Aronian

In the 4th round of the Tal Memorial Aronian may have played the game of the year. In what seemed like a drawn endgame he uncorcked the brilliant Ke8!! which puts white in zugzwang and wins. Shirov failed to equalize in an earlier phase, playing 31.Qb1?! instead of 31.Be5!. Wonderfull chess!!

(15) Shirov,Alexei - Aronian,Levon [C89]
Tal Memorial Moscow RUS (4), 10.11.2006

C89: Closed Ruy Lopez: Marshall Attack

Analysis by Rybka 2.1.

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 0-0 8.c3 d5 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 12.d4 Bd6 13.Re1 Qh4 14.g3 Qh3 15.Re4 g5 16.Qf1 Qh5 17.Nd2 Bf5 18.f3 Nf6 19.a4 [Theory is 19.Re1 Rae8 20.Rxe8 Rxe8 21.a4 Qg6 ]

19...Nxe4 20.Nxe4 Qg6 21.Nxd6 Qxd6 22.Bxg5 Qg6 23.Qc1 Bd3 Diagram


[Slightly better is 24.Bf4 Rfe8 25.Be5 Bc4 26.Bc2 Bd3 27.Bxd3 Qxd3 28.Qf4 Qg6 29.g4= ]

24...axb5 25.Rxa8 Rxa8 26.Kf2 [26.Bf4 ]

26...Bc4 27.Bxc4 [27.Bc2 Bd3 28.Bd1 ]

27...bxc4 28.g4 Re8 29.Bf4 Qd3 30.Kg3 Qe2 Diagram


[31.Be5! f6 32.Bxf6 Re3 33.Qh1 Qxb2 34.Bg5! Re6
(34...Rd3 35.Qe1 Qb8+ 36.Bf4 Qf8 37.Qe6+ Qf7+/- )
35.Qc1 Qxc1 36.Bxc1 Re2 37.Ba3 Rc2 38.Bb4= ]

31...Qe1+ 32.Qxe1 Rxe1 33.Bd6 Rg1+ 34.Kf2 Rb1 35.Ba3 Kg7 36.Kg3 Kg6 37.h3 h5 38.Kh4 Rg1 39.Bc5 Rg2 40.Ba3 f6 41.gxh5+ Kf5 42.f4 Diagram


[Directly winning was 42...Rf2! 43.h6 Kg6 44.Kg3 Re2 45.h7 Re8-+ 46.Bd6
(46.Kg4 f5+ 47.Kh4 Rh8 )
46...Kf5 47.h4 Rh8 ]

43.Bd6 Ke6 Diagram

44.h6? With hindsight the decisive mistake, although it is very hard to see

[44.Ba3 seems to be holding eg 44...Rg2 45.h6 Kf7 46.Kh5 Rf2 47.h7 Kg7 48.Kg4 Kxh7 49.Kf5 Kg7 50.Ke6 Rxf4 51.Kd6 Rf2 52.Kxc6 Rg2
(52...f5 53.d5 Kf7 54.d6+- ; 52...Rd2 53.d5 Kf7 54.Bc5+-
53.d5 Kf7 54.Bc5 Rg8 and white must have at a draw at least]

44...Kxd6!! Assuming Aronian had already seen the winning continuation, this move is the start of a brilliant idea

45.Kh5 f5 46.h7 Rh8 47.Kg6 Ke7 48.Kg7 Diagram

48...Ke8!! 49.Kg6 [49.Kxh8? Kf8-+ and white is in zugzwang]

49...Kf8 Black simply waits until white is in zugzwang

50.h4 Ke7 51.Kg7 Ke8 52.Kg6 Kf8 53.h5 Ke7 54.Kg7 Ke8 55.Kg6 Kf8 56.h6 Diagram

56...Ke8 [56...Ke7 was also winning]

57.Kf6 Rxh7 58.Kg6 Rf7 and white resigned. After

59.h7 Rf8 60.Kg7 Rh8!! 61.Kg6 Kf8 it is over 0-1


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