Topalov,V (2805) - Anand,V [D87] Sofia BUL, WCC2010 Sofia BUL (1.22), 24.04.2010 D87: Exchange Grünfeld: Classical Line: Variations without ...cxd4 1.d4 Cf6 2.c4 g6 3.Cc3 d5 4.cxd5 Cxd5 5.e4 Cxc3 6.bxc3 Ag7 7.Ac4 c5 8.Ce2 Cc6 9.Ae3 0–0 10.0–0 Ca5 11.Ad3 b6 12.Dd2 e5 Black threatens to win material: e5xd4 13.Ah6N [13.d5 f5 14.Ag5 Dd6 15.Ah6 f4 16.Axg7 Rxg7 17.f3 c4 18.Ac2 g5 19.Rh1 Ad7 20.g3 Tae8 21.gxf4 gxf4 22.Tg1+ Rh8 23.Tg5 Tg8 24.Txg8+ Txg8 25.Tg1 Txg1+ 26.Cxg1 Cb7 27.De2 Dc5 Nielsen,P (2644)-Ivanchuk,V (2729)/Monte Carlo 2006/CBM 111 ext/½–½ (53); 13.d5!?±] 13...cxd4 14.Axg7 Rxg7 15.cxd4 exd4 Black king safety dropped. 16.Tac1 Dd6 [16...Ab7 17.f4 Tc8 18.Txc8 Dxc8 19.f5 Cc6 20.Tf3 Ce5 21.Th3 Th8 22.f6+ Rxf6 (22...Rf8 23.Ab5 h5 24.Dxd4 Db8 25.Cf4 Tg8 26.Db4+) 23.Df4+ Rg7 24.Dxe5+] 17.f4 f6 18.f5 White gets more space 18...De5 [18...gxf5 19.exf5 Cc6 20.Tf4 Ad7 21.Th4 Rh8 22.Cf4 Ce5 23.Cg6+ Rg8 (23...Cxg6 24.fxg6) 24.Ac2 Axf5 (24...Cf7 25.Txd4 Db8) 25.Ab3+ Cf7 26.Txd4] 19.Cf4 g5 Black threatens to win material: g5xf4 20.Ch5+ Rg8 21.h4 h6 [21...gxh4 22.Dh6 Tf7 23.Tc6+- Cxc6 24.Ac4] 22.hxg5 hxg5 23.Tf3 [¹23.Ac4+ Cxc4 24.Txc4=] 23...Rf7?? allows the opponent back into the game [¹23...Ab7µ] 24.Cxf6+- Rxf6 [24...Dxf6 25.e5 Dxe5 26.Dxg5 Df6 27.Tc7+ Re8 28.Dxf6 (28.Dh5+ Rd8 29.Th7) 28...Txf6; 24...Dxf6 25.Th3 Ab7 26.Th7+ Rg8 27.e5 Dd8 28.f6; 24...Dxf6 25.Th3 Cc6 26.Th7+ Rg8 27.Txc6 Dxc6 28.Th5 Rf7 29.Dxg5 Re8 30.Th7 Df6 31.Ab5+ Ad7 32.Axd7+ Rd8 33.Dg3 Tf7 34.Txf7 Dxf7 35.Ac6 Tc8 36.Dd6+ Dd7 37.Dxd7#] 25.Th3 Tg8 [25...Ad7 no good, but what else? 26.Th6+ Rf7 27.Dxg5 Tg8 28.Dh5+ Rf8+-] 26.Th6+ Rf7 27.Th7+ Re8 [27...Tg7 the only chance to get some counterplay 28.Txg7+ Rxg7 29.Dxg5+ Rf8 30.Dd8+ De8+- 31.Dxd4] 28.Tcc7 Rd8 29.Ab5! Clearance: d3 29...Dxe4 [29...Dxb5 30.Dxd4+ Mate attack Clearance; 29...Dxc7 30.Dxd4+ Ad7 31.Txd7+ Dxd7 32.Dxd7#; 29...Dxc7 30.Dxd4+] 30.Txc8+! Double attack: d4/d8[30.Txc8+ Rxc8 31.Dc1+ Cc6 32.Axc6 De3+ 33.Dxe3 dxe3 34.Axa8+-] 1–0
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