45º Biel, 3ª ronda. Partidas comentadas.

Wang Hao - Nakamura,Hikaru [B96]

45th Biel GM Biel SUI (3), 25.07.2012

B96: Defensa Siciliana (variante Najdorf)

1.e4 c5 2.Cf3 d6 3.d4 cxd4 4.Cxd4 Cf6 5.Cc3 a6 6.Ag5 e6 7.f4 b5 8.e5 dxe5 9.fxe5 Dc7 10.exf6 De5+ 11.Ae2 Dxg5 12.0–0 Ta7 13.Dd3 Td7 14.Ce4 De5 15.Cf3 Dc7 [15...Dxb2 16.De3 Ab7 17.Tab1 Dxc2 18.Cfg5 g6 19.Tbc1 Da4 20.Cxe6 fxe6 21.f7+ Rd8 22.Dg5+ Te7 23.De5 1–0 Negi,P (2515)-Hermansson,E (2475)/Malmo 2007/CBM 118] 16.De3 Ab7 17.Cfg5 [17.c4 bxc4 18.Tac1 Axe4 19.Dxe4 gxf6 20.Txc4 Db6+ 21.Rh1 Ag7 22.Tc8+ Re7 23.Txh8 Axh8 24.Dxh7 Dxb2 25.Ac4 f5 26.Axe6 Rxe6 27.Cg5+ Rd5 28.Dxf5+ Rc6 29.Cxf7 Rc7 30.Cxh8 Dxh8 31.Tc1+ Rb7 Kosintseva,N (2551)-Duschek,V (2269)/Biel 2010/CBM 137 Extra/½–½ (32)] 17...h6 18.Dh3N [18.Cxe6 fxe6 19.Ah5+ Rd8 20.Rh1 De5 21.Db6+ Rc8 22.fxg7 Axg7 23.Cg3 Td2 24.Af3 Axf3 25.Txf3 Dd5 26.Cf1 Ad4 27.Da5 Txc2 28.Td1 Tg8 29.Cg3 h5 30.Db4 h4 31.Tf8+ Txf8 32.Dxf8+ Rb7 Pegoraro,N (2085)-Guliyev,N (2555)/Villa San Giovanni 2005/CBM 108 ext/0–1 (34)] 18...g6 [18...hxg5 19.Dxh8 g6 20.Ad3²] 19.Ad3 Cc6 20.Rh1 [20.Tae1 Cd4=] 20...Ce5 [20...Cd4 21.Tac1=] 21.Tae1 Ab4 22.Te3 [22.Te2 Cxd3 23.cxd3 Td5=] 22...Ad5³ 23.Ae2 [23.c3!? Aa5 24.Tfe1³] 23...Cc4 [23...Dxc2 24.a3 Aa5 25.b3–+] 24.Td3 De5 25.a3? [25.Ag4 Cd6 (25...Dxb2?? 26.Txd5 Txd5 27.Axe6 Txg5 28.Cxg5+-) 26.Af3 Ac4 27.Cxd6+ Txd6 28.Txd6 Axd6µ (28...Dxd6?? 29.Td1 Dc7 30.b3+-) ] 25...Aa5 [25...Af8 26.Af3 hxg5 27.Dxh8–+] 26.Ag4 [¹26.b3 Cxa3 27.c3µ] 26...Cd6?? [¹26...Cxb2 27.Te3 Rd8–+] 27.Txd5± Dxd5 [27...Dxd5 28.Axe6; 27...exd5 28.Cxd6+ (28.Axd7+; 28.Axd7+) ] 28.Axe6 fxe6 29.f7+ Rd8 [29...Re7!? 30.Dxh6 Tdd8 (30...Txh6?? 31.f8D#) 31.f8A+ Tdxf8 32.Dg7+ Rd8 33.Txf8+ Txf8 34.Dxf8+ Rc7 35.De7+ Rc6 36.Dxd6+ Dxd6 37.Cxd6 Rxd6 38.Ce4+ Rd5²] 30.Cxe6+± Rc8 31.f8D+ Txf8 32.Txf8+ Ad8 33.Cxd6+ [33.Cc3 De5 34.Tf1 Rb8±] 33...Rb8 34.Tf1 [34.Txd8+ Txd8 35.Df3 Dxf3 (35...Txd6?! 36.Df8+ Ra7 37.Df2+ Tb6 38.Cd4³) 36.gxf3 Txd6–+] 34...Txd6 35.Cxd8 Dc4 36.Tg1 Txd8 37.Dg3+ Rb7 38.Dxg6 Td2 [38...Dc6 39.Df7+ Td7 40.Df2±] 39.Dxh6+- Txc2 [39...Dxc2 40.Dg7+ Dc7 41.Df6+-] 40.Dg7+ [40.Te1 Dc7+-] 40...Rb6 41.b4 Dd3 [41...Df4 42.h3+-] 42.Te1 De3 43.Df6+ Rc7 44. 44...Tf2 45.Dg1 Df4 46.h3 Dg3 [46...Rb7+-] 47.Dh2 [47.Dh2 Dd6 48.Td1+-]  1–0

Giri,Anish - Bacrot,Etienne [E97]

45th Biel GM Biel SUI (3), 25.07.2012

E97: Defensa india de rey (Sistema clásico)

1.d4 Cf6 2.c4 g6 3.Cc3 Ag7 4.e4 d6 5.Cf3 0–0 6.Ae2 e5 7.0–0 Cc6 8.d5 Ce7 9.b4 Ch5 10.g3 f5 11.Cg5 Cf6 12.f3 f4 13.b5 fxg3 14.hxg3 h6 15.Ce6 Axe6 16.dxe6 Dc8 17.Cd5 Dxe6 18.Cxc7 Dh3 19.Tf2 Tac8 20.Th2 Dxg3+ 21.Tg2 Dh3 22.Dxd6 Tf7 23.c5 Cf5N [23...Af8 24.Ce6 Cxe4 25.Dxe5 Cc3 26.Ac4 Dh4 27.Dxc3 1–0 Van Wely,L (2646)-Golubev,M (2527)/Sovata 2000/EXT 2001] 24.exf5 [24.Dxe5?? Cg4 (24...Tfxc7?! 25.exf5 Txc5 26.De6+ Rh8 27.Ae3 Dxf5 28.Dxf5 Txf5 29.Txg6=) 25.Df4 (25.Dd5 Ad4+) 25...Ad4+ y mate] 24...Tfxc7 25.Ae3 Dxf5 [25...gxf5 26.Af2 f4 27.Dxe5+-] 26.Tf1 Af8 [¹26...Rh8!? 27.Ad3 e4 28.fxe4 Dh3²] 27.Ad3+- e4 28.fxe4 Dxf1+ [28...Axd6? 29.Txf5 (29.exf5?! Axc5 30.Axc5 Txc5=) 29...Axc5 30.Axc5+- (30.Txf6?! Axe3+ 31.Rf1 g5=)] 29.Axf1 [29.Rxf1!? Axd6 30.cxd6±] 29...Axd6² 30.cxd6 Tc3? [¹30...Td7 31.e5 g5²] 31.Ad4+- Tf3 32.e5 Tf4 33.Ab2 [33.exf6 Txd4 34.Txg6+ Rf7–+] 33...Ch7?? [33...Cd7 34.e6 Cf8 35.d7+-] 34.e6 [¹34.d7 Tb8 35.e6 Cf8+-] 34...Cg5 [34...Cf8 35.Te2 Cxe6 36.Txe6 Td8+-] 35.Txg5! hxg5 36.d7 Tg4+ 37.Ag2 [37.Ag2 Tgc4 38.e7]  1–0