sábado, 1 de octubre de 2005

Campeonato Mundial 2005. Ronda 4

La cuarta ronda del Campeonato Mundial produjo los siguientes resultados:

Topalov-Adams 1-0
Kasimdzhanov-Anand 1-0
Leko-Polgar 1-0
Morozevich-Svidler 0-1

Una vibrante jornada sin empates, que dejó como único líder al bulgaro Topalov con 3,5 puntos, seguido ahora por Svidler 3 puntos y tercero Anand con 2,5 puntos. El triunfo de Kasimdzhanov sobre Anand fue lo más atractivo de la fecha que comento a continuación:

Kasimdzhanov-Anand. Defensa Siciliana, 01.10.2005
1.e4 c5 2.Cf3 d6 3.d4 cxd4 4.Cxd4 Cf6 5.Cc3 a6 [La variante Najdorf de la Defensa Siciliana conduce a una lucha aguda y es la línea favorita de los maestros actuales] 6.Ae3 Cg4 7.Ag5 h6 8.Ah4 g5 9.Ag3 Ag7 10.h3 Ce5 11.Cf5 Axf5 12.exf5 Cbc6 13.Cd5 e6 14.fxe6 fxe6 15.Ce3 0–0 16.Ae2 De7 [Lo conocido es 16...d5 17.0–0 Cg6 18.c4 Cd4] 17.0–0 Tad8 18.Ah5 Rh8 19.Te1 d5 20.a4 Cc4 [Es mejor 20...Cd7 21.c3 Ae5 cambiando uno de los alfiles blancos] 21.Cxc4 dxc4 22.Dg4 [El par de alfiles le da ventaja al blanco] 22...Db4 23.Dxe6 Td2 [23...Dxb2 24.Dxc4 Dc3 era preferible] 24.Tad1 Cd4 25.De4 Cf5 26.Ae5 Txf2 27.Af3 Td2 28.Axg7+ Rxg7 29.De5+ Tf6 30.a5 [30.Txd2 Dxd2 31.Axb7 era mejor para el blanco] 30...Ch4? [30...b5 31.axb6 Dxb6+ 32.Rh1 Txd1 33.Txd1 De6 era la posibilidad de salvarse] 31.Dc7+ Tf7 32.De5+ Tf6. Diagrama:
33.Ah5 [La posición blanca es ganadora, el rey negro está muy expuesto] 33...Cg6 34.Axg6 Txd1 35.Txd1 Rxg6 36.De4+ [36.De8+ Tf7 37.Dg8+ Rf6 38.Tf1+ ganaba rápido] 36...Rg7 37.Td7+ Rg8 [Si 37...Tf7 38.De5+ Rg8 39.Td8+ Tf8 40.De6+ Rg7 41.Td7+ gana y si 37...Rf8 38.De5 es decisiva] 38.Dh7+ [38...Rf8 39.Dh8#] 1–0

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