[Event "It \"] [Site "masterchessopen.com – Hengelo (Netherlands)"] [Round "7"] [White "Lupulescu Constantin (ROM)"] [Black "Riazantsev Alexander (RUS)"] [Result "0-1"] [WhiteElo "2528"] [BlackElo "2603"] [ECO "C03"] [Opening "French: Tarrasch, Guimard, 4.Ngf3"] { Riazantsev Alexander (RUS) +10 =5 -3 } 1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nf6 5.e5 Nd7 6.Bb5 a6 ( 6...Be7 7.O-O a6 8.Ba4 Nb6 9.Bb3 Na5 10.c3 Nxb3 11.axb3 c5 12.dxc5 Bxc5 13.b4 Be7 14.Nb3 Bd7 15.Nc5 Qc7 16.Qd4 O-O 17.Bg5 Bxg5 18.Nxg5 h6 19.Nf3 Nc8 20.Rfe1 Bb5 21.Qe3 b6 22.Nb3 Ne7 23.Nfd4 Bc6 24.Nc1 a5 25.Nd3 axb4 26.Nxb4 { ...1/2-1/2, Belov Vladimir 2540 - Riazantsev Alexander 2538 , Vladimir 2002 Ch Russia (juniors) (under 20) } ) 7.Bxc6 bxc6 { = } 8.c4 ( 8.Nb3 c5 9.Bg5 Be7 10.Bxe7 Qxe7 11.dxc5 Nxc5 12.Na5 Bd7 13.O-O Na4 14.b3 Nc3 15.Qd3 Qb4 16.a3 Qxa5 17.b4 Qb6 18.Qxc3 O-O 19.Nd4 Ba4 20.f4 Bxc2 21.Kh1 Be4 22.Rac1 Rfd8 23.Qd2 h6 24.Rc6 Qb7 25.Rfc1 Rd7 26.R1c5 Ra7 27.h3 Kf8 { ...1-0, Oral Tomas 2546 - Halfdanarson Jon, Iceland 2001 Ch Iceland (team) 2000/01 } ) 8...dxc4 ( 8...c5 9.O-O Be7 10.Nb3 O-O 11.Na5 Nb8 12.dxc5 Bxc5 13.Qc2 Be7 14.c5 c6 15.b4 f6 16.Bb2 Qe8 17.Rae1 f5 18.Rb1 Ra7 19.Bc1 h6 20.a4 Bd7 21.Nb3 g5 22.Nbd4 Kg7 23.Ne1 f4 24.f3 Qc8 25.Bd2 Be8 26.Qc3 Bg6 27.Rc1 Rc7 28.Nb3 { ...0-1, Dembo Yelena 2396 - Dubois Loic 2272 , Budapest 2003 It (cat.2) } ) 9.Nxc4 ( 9.O-O Nb6 10.Qc2 Qd5 11.Ne4 c5 12.dxc5 Bb7 13.Re1 Nd7 14.Ned2 Nxc5 15.Nxc4 Qd3 16.Qxd3 Nxd3 17.Rd1 Bxf3 18.gxf3 Rd8 19.Be3 Rd5 20.Kf1 Be7 21.Ke2 Nb4 22.Rg1 g6 23.a3 Nc6 24.Rgd1 O-O 25.Rac1 Rxd1 26.Rxd1 Rd8 27.Rxd8+ Bxd8 28.Kd3 Kf8 { ...1-0, Prusikin Michael 2509 - Pedersen Jan 2407 , Morso 2002 It (cat.10) } ) 9...Nb6 10.Qc2 ( 10.Nxb6 cxb6 11.O-O Qd5 12.Ng5 h6 13.Nh3 Bb7 14.Nf4 Qd7 15.Be3 Be7 16.Rc1 g6 17.Qb3 b5 18.Nd3 Qd5 19.Qxd5 exd5 20.f4 f5 21.exf6 Bxf6 22.Ne5 Bxe5 23.fxe5 O-O-O 24.Rf6 g5 25.Bd2 { 1-0, Smyslov Vassily 2510 - Guimard Carlos E 2325 , Groningen 1996 Memorial G.Staunton (a) } ) 10...Nxc4 11.Qxc4 Qd5 12.Qc2 { +0.22 CAP N } ( 12.Qxd5 cxd5 13.Be3 Bb4+ 14.Bd2 Be7 15.Rc1 Kd7 16.Ba5 c6 17.a3 f6 18.h4 Bd8 19.Bxd8 Rxd8 20.Rh3 Bb7 21.Rg3 Rg8 22.h5 Ke7 23.Rc3 Kf7 24.Rb3 Ra7 25.h6 Ba8 26.hxg7 Rb7 27.Rxb7+ Bxb7 28.exf6 Kxf6 29.Ne5 Rxg7 30.Rxg7 Kxg7 31.Kd2 Kf6 { ...1-0, Moradi Behrooz 2275 - Doostkam P 2225 , Mashad 2003 Ch Iran } ) 12...c5 13.O-O cxd4 14.Nxd4 Bb7 15.Qa4+ Qd7 16.Qc4 { ?! } ( 16.Qxd7+ { !? } 16...Kxd7 17.Bf4 Bd5 18.Rfc1 { } ) 16...Qd5 { ?! } ( 16...O-O-O { !? } 17.Nf3 Qd3 18.Qa4 Bc5 { } ) 17.Qa4+ Qd7 18.Qc4 { ?! } ( 18.Qxd7+ { !? } 18...Kxd7 19.Bf4 Bd5 20.Rfc1 { } ) 18...O-O-O 19.Nf3 Qd3 20.Qa4 Bc5 21.Bg5 Qg6 22.h4 Rd3 { ?! } ( 22...Bxf3 { !? } 23.gxf3 Kb7 24.Rac1 Rd4 { } ) 23.Rac1 Bb6 24.Rc6 { ?? } ( 24.Ne1 Rd7 25.Qb3 Ba5 26.Qh3 { } ) 24...Rxf3 25.Rxb6 cxb6 26.Rd1 h6 27.Qc4+ Kb8 28.Rd7 Rc8 29.Rxb7+ Kxb7 { } {#R} 0-1