Amanov,Zhanibek (2442) - Yermolinsky,Alex (2568) [B03]
2011 Vegas Chess Festival Las Vegas (5), 12.06.2011
[Rybka 3 (30s)]
B03: Alekhine's Defence: Four Pawns Attack 1.e4 Nf6 Black threatens to win material: Nf6xe4 [1...e5 2.Nf3+/=] 2.e5+/= White threatens to win material: e5xf6 2...Nd5 3.d4 d6 Black has a cramped position. Black's piece can't move: f8 4.c4 White threatens to win material: c4xd5 4...Nb6 5.exd6 cxd6 Black has a cramped position. Black's piece can't move: f8 6.Nc3 g6 7.Bd3 [7.Be3 Bg7=] 7...Bg7 Black threatens to win material: Bg7xd4 8.Nge2 Black has a cramped position 8...Nc6 Black threatens to win material: Nc6xd4 9.d5 White threatens to win material: d5xc6 [9.Be3 Nb4=] 9...Ne5 10.b3 Controls a4 10...Nxd3+ [10...Bg4 11.Bb2=] 11.Qxd3 Diagram
11...e6N [11...0-0 12.Be3 (12.0-0 Bf5 13.Qd2 e5 14.dxe6~~) 12...Nd7 13.0-0 Ne5 14.Qd2 Bg4 15.Nd4 f6 16.h3 Bd7 17.f4 Nf7 18.Ne6 Bxe6 19.dxe6 Nh6 20.g4 Kh8 21.f5 gxf5 22.gxf5 Rg8 23.Kh2 Qe8 24.Bxh6 Qh5 25.Be3 Bf8 26.Rg1 Qxf5 27.Rxg8+ Kxg8 28.Rg1+ Kh8 29.Qd5 Qe5+ 30.Qxe5 dxe5 31.Rd1 1-0 (31) Smerdon,D (2489)-Pon,N (2180)/Canberra 2009/OM 2] 12.dxe6 Bxe6 [Inferior is 12...fxe6 13.Ba3+/-] 13.Be3 White has an active position 13...d5 Black threatens to win material: d5xc4 14.c5 White threatens to win material: c5xb6 14...Nd7 15.Bd4 Bxd4 16.Qxd4 The isolani on d5 becomes a target [Instead of 16.Nxd4 0-0=/+] 16...Qf6 [16...0-0!?=] 17.Qxf6+/= Diagram
17...Nxf6 18.Nd4 A comfortable square for the white knight 18...Ke7 Black loses the right to castle 19.Rc1 Ne4 Black threatens to win material: Ne4xc5 [19...Rhc8 20.b4+/=] 20.Nce2 Rhc8 21.b4 a5 22.f3 Consolidates g4 22...axb4 23.fxe4 dxe4 24.Nxe6 Kxe6 White wins a piece 25.Rc2 Kd5 [25...Ra5 26.Rb2+/=] 26.0-0 Rxc5 27.Rd1+ Kc6 28.Nd4+ Kb6 29.Rb2 White threatens to win material: Rb2xb4 29...Kc7? [29...Rc4 30.Nc2+/-] 30.Rxb4 [>=30.Rf1!?+-] 30...Rxa2+/- 31.Nb5+ Kb8 32.Rd8+ Rc8 33.Rxc8+ Kxc8 34.Rxe4 Kd7 [34...Rd2!?+/-] 35.Rc4+- b6 36.Rc7+ Ke6 37.Rb7 h5 38.Nd4+ [38.Rxb6+ Kf5+-] 38...Kf6 [38...Kd5 39.Nf3 Kc6 40.Rxf7+/-] 39.Rxb6++- Diagram
39...Kg7 [39...Ke5 40.Nf3+ Kf5 41.h3+-] 40.Rb7 Ra6 [40...Ra1+ 41.Kf2+-] 41.Nf3 Ra1+ 42.Kf2 Ra2+ 43.Kg3 Ra3 44.h4 Ra5 [44...Kg8 45.Kf4 Ra2 46.g3+-] 45.Kf4 Ra4+ 46.Ke3 Ra3+ 47.Ke4 Ra4+ 48.Nd4 Kf6 49.Rb6+ Kg7 50.Rb3 Ra2 51.g3 Ra4 52.Rf3 [52.Rb7 Kf6+-] 52...Ra1 [52...f6 53.Rb3 g5 54.Rb8+-] 53.Nc6 Re1+ 54.Re3 Ra1 55.Kd5 Rd1+ 56.Kc5 Rc1+ 57.Kd6 Rd1+ 58.Ke7 Ra1 59.Nd8 g5 60.hxg5 Kg6 61.Re5 [61.Rf3 Re1+ 62.Kd6 Rd1+ 63.Kc7 Rc1+ 64.Kb6 Rb1+ 65.Kc6 Rc1+ 66.Kb5 Rb1+ 67.Kc5 Rc1+ 68.Kb4+/=] 61...Ra3+/= Black threatens to win material: Ra3xg3 62.Rd5 Rxg3?? Attacking the isolated pawn on g5 [>=62...Kg7+/= saving the game] 63.Nxf7+- h4 [63...Rb3 is not the saving move 64.Rd6+ Kg7 65.Ne5+-] 64.Kf8 Kh5 Diagram
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