7th China-Russia match

(1) Potkin,V (2626) - Wang Yue (2716) [D85] 7th CHN-RUS Ningbo CHN (1), 05.08.2010 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.g3 Bg7 6.Bg2 Nb6 7.Nf3 Nc6 8.e3 0-0 9.0-0 Re8 10.Re1 a5 11.Qe2 e5 12.Nxe5 Nxe5 13.dxe5 Bxe5 14.f4 Bxc3 15.bxc3 Bf5 16.Bxb7 Rb8 17.Bg2 Bd3 18.Qf2 Be4 19.Bf1 Qe7 20.a4 Qe6 21.Bb5 Red8 22.Qa2 Bd5 23.Qc2 c6 24.Bf1 Be4 25.Qa2 Qg4 26.Qf2 Qe6 27.Qa2 Qg4 28.Qf2 Nd5 29.Bb2 Rd7 30.h3 Qf3 31.Qxf3 Bxf3 32.Ba3 Nxc3 33.e4 Nxe4 34.Re3 Nd2 35.Ba6 f5 36.Kf2 Bd5 37.Be2 Ne4+ 38.Ke1 Rdb7 39.Bd3 Rb3 40.Ke2 Re8 41.Ke1 c5 42.Bc1 c4 43.Bxe4 Rxe4 44.Rxe4 Bxe4 45.Ra3 Rb1 46.Kd2 Kf7 47.Re3 Ke6 48.Ba3 Kd5 49.Be7 Rb2+ 50.Kc1 Ra2 51.Ra3 Rxa3 52.Bxa3 c3 53.Be7 Kc4 54.h4 Kb3 55.Bf6 c2 56.Bd8 Kxa4 57.Kd2 Kb4 58.Bc7 a4 59.Be5 Kb3 60.Bf6 a3 White is helpless as he needs both pieces to cover the promotion squares. 61.Bg7 [For example, if White played 61.Kc1 Black would just bring his king around and capture the kingside pawns. 61...a2 62.Ba1 Kc4 63.Kd2 Kd5 64.Bb2 Bd3 65.Ba1 (65.Kxd3?? c1Q 66.Bxc1 a1Q ) 65...Ke4 66.Bb2 Kf3 etc.] 61...a2 62.Bh8 a1Q [White resigned after 62...a1Q because of 63.Bxa1 Ka2 64.Be5 Kb1+- ] 0-1

(2) Bu Xiangzhi (2676) - Rublevsky,S (2688) [D20] 7th CHN-RUS Ningbo CHN (1), 05.08.2010 1.d4 d5 2.c4 dxc4 3.e4 e5 4.Nf3 Bb4+ 5.Bd2 Bxd2+ 6.Nbxd2 exd4 7.Bxc4 Qf6 8.Nb3 Nc6 9.Nfxd4 Nge7 10.Nb5 0-0 11.Nxc7 Rb8 12.0-0 Qe5 13.Nb5 Qxe4 14.Rc1 Qg6 15.Re1 Nf5 16.Qf3 a6 17.Nc3 Nfd4 18.Nxd4 Nxd4 19.Qe3 Nc6 20.Nd5 Bd7 21.Qf4 Qg4 22.Qc7 Rfc8 23.Qd6 Rd8 24.Ne7+ Kh8 25.Bxf7 Nxe7 26.Rxe7 Bc6 27.Qg3 Qxg3 28.hxg3 Rd2 29.b4 Rbd8 30.Bc4 h6 31.Rf7 Re8 32.a3 Rd6 33.Kh2 Kh7 34.Rc3 Re1 35.Rf8 g5 36.g4 Be8 37.Bb3 Rc6 38.Rd3 Rc7 39.Rd6 Kg7 40.Rff6 Rc3 41.Bd5 Rxa3 42.Rxh6 Ra4 A critical moment, and probably where the Chinese plyaer missed his clearest chance to win. 43.Rhe6? [Instead 43.Bxb7! Rxb4 44.Bxa6 Rxg4 45.Bd3! would probably have sealed Black's fate. White may only be up a pawn, but the seriously exposed king and threats are fatal, and the second pawn would be destined to go down as well. A couple of sample lines might go 45...Rh4+ (or 45...Rf4 46.Kg3 Kf8 47.Rd5 And the pawn falls. 47...Rb4 48.Rxg5 Rb3 49.Rf6+ Ke7 50.Rf3 ) 46.Rxh4 gxh4 47.Kh3 Rh1+ (47...Rg1 might also prevent the king from capturing h4, but it also means leaving the rook out of play, so 48.f4 Kf8 49.f5 Ke7 50.Re6+ Kf8 51.Rh6+- ) 48.Kg4 Rh2 49.Be4+- ] 43...Rxe6 44.Rxe6 Bb5 45.Re7+ Kf6 46.Rf7+ Kg6 47.Rxb7 Rxb4 48.Rb6+ Kg7 49.f3 a5 50.Be4 Kf7 51.Bd5+ Kg7 52.Rb7+ Kf6 53.Kg3 Bf1 54.Rf7+ Kg6 55.Rf8 Rb2 56.f4 gxf4+ 57.Rxf4 Bb5 58.Rf8 Rd2 59.Be4+ Kg7 60.Rb8 Bc4 61.Ra8 Rd4 62.Bf3 Be6 63.Rxa5 Rd7 64.Ra6 Bf7 65.Be4 Re7 66.Bf5 Rc7 67.Kh4 Re7 68.Kg5 Rc7 69.Rh6 Ra7 70.Rh7+ Kf8 71.Bd3 Rc7 72.Be4 Rd7 73.Bg6 Rd5+ 74.Bf5 Bg8 75.Ra7 Rd6 76.Kf4 Rb6 77.Kg5 Bf7 78.Bd3 Bd5 79.g3 Bf7 80.Rc7 Kg8 81.Be4 Rd6 82.Bc6 Rd3 83.Be4 Rd6 84.Kf5 Rb6 85.Bc6 Rb2 86.Kg5 Rc2 87.Kf6 Rf2+ 88.Ke5 Rc2 89.g5 Kf8 90.Rc8+ Kg7 91.Kd4 Rc4+ 92.Ke5 Rc5+ 93.Kf4 Rc4+ 1/2-1/2

(3) Ju Wenjun (2496) - Kosintseva,N (2551) [E06] 7th CHN-RUS w Ningbo CHN (1), 05.08.2010 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Nf3 Be7 5.Bg2 0-0 6.0-0 dxc4 7.Qc2 a6 8.Qxc4 b5 9.Qc2 Bb7 10.Bd2 Be4 11.Qc1 Bb7 12.Rd1 Nbd7 13.Ba5 Bd6 14.Nbd2 Qb8 15.Nb3 Qa7 16.Ne1 Bxg2 17.Kxg2 e5 18.Nc2 Rac8 19.Ne3 Rfe8 20.d5 g6 21.Qc2 Nb8 22.Rac1 c5 23.dxc6 Rxc6 24.Qd2 Bf8 25.Nd5 Ne4 26.Qe3 Qxe3 27.Nxe3 Bh6 28.Rxc6 Nxc6 29.Bb6 Bf8 30.Nd5 Kg7 31.Nc7 Rb8 32.Be3 Rc8 33.Nxa6 Ra8 34.Nc7 Rxa2 35.Ne8+ Kg8 36.Nd2 Nxd2 37.Rxd2 Be7? [37...b4! 38.Rc2 Nd4 39.Nf6+ Kg7 (39...Kh8 40.Rc7 Kg7 (40...Rxb2?? 41.Rxf7 Bg7 42.Bh6 Nf5 43.Bxg7+ Nxg7 44.Rf8# ) 41.Ng4 h5 42.Nxe5 Bd6 43.Rxf7+ Kg8 44.Bxd4 Bxe5 45.Rd7 Bxd4 46.Rxd4 Rxb2 ) 40.Ne8+ Kg8= ] 38.Rc2 Nb4 39.Rc8 h5 40.Bc1 Ra5 Though already worse, this blunder loses the game on the spot. 41.Bd2! Ra2 [41...-- The threat of 42.Nd6+ Kh7 43.Bxb4 cannot be prevented.; 41...Ra4 42.b3 Ra2 43.Nd6+ Kh7 44.Bxb4 ] 42.Nd6+ Kg7 43.Bxb4 1-0