[Event "It (cat.10)"] [Site "masterchessopen.com – Groningen (Netherlands)"] [Date "2004.12.24"] [Round "4"] [White "Van Der Wiel John T H (NED)"] [Black "Ernst Sipke (NED)"] [Result "1-0"] [WhiteElo "2493"] [BlackElo "2521"] [ECO "C57"] [Opening "Two Knights: 4.Ng5"] { Van Der Wiel John T H (NED) +3 =2 -2 } 1.e4 { 1 3 } 1...e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Qf3 Rb8 { ? } ( 8...Qc7 9.Bd3 h6 10.Ne4 Nd5 11.Nbc3 Nb4 12.Ng3 Nxd3+ 13.Qxd3 Nb7 14.O-O Bc5 15.Nce4 Be7 16.Qf3 Qd7 17.Qh5 Qe6 18.d3 O-O 19.f4 f5 20.Nc3 Bd6 21.Kh1 Bd7 22.fxe5 Bxe5 23.Bf4 Bxf4 24.Rxf4 Nd6 25.Raf1 c5 26.R4f2 c4 27.Re2 Qf7 28.Qxf7+ { ...1-0, Van Der Wiel John T H 2465 - Gligoric Svetozar 2565 , Baden-Baden 1980 It (cat.12) } ) 9.Bd3 h6 ( 9...Bd6 10.Nc3 O-O 11.a3 h6 12.Nge4 Nxe4 13.Nxe4 f5 14.Nxd6 Qxd6 15.Qe2 c5 16.b4 Nc6 17.Bc4+ Kh7 18.c3 e4 19.d3 Ne5 20.dxe4 Nxc4 21.Qxc4 Ba6 22.Qxc5 Qd3 23.Qe3 Qc2 24.Bd2 f4 25.Qf3 Rbe8 { 0-1, Tas Gunther - Sonntag Hans-Hubert 2380 , Belgium 2003 Ch Belgium (team) 2003/04 } ) 10.Ne4 Nd5 11.b3 ( 11.O-O g6 12.b3 Bg7 13.Bb2 O-O 14.Qg3 Nf4 15.Re1 Qc7 16.Bf1 Rd8 17.Na3 Be6 18.Nc5 Bc8 19.Rad1 Rd5 20.Ne4 Bf5 21.Nc4 Rbd8 22.Bc3 Nb7 23.Qe3 c5 24.Ng3 Bxc2 25.Rc1 Bd3 26.Nxe5 g5 27.Nxd3 Nxd3 28.Bxg7 Kxg7 29.Bxd3 Rxd3 30.Qe4 Kh8 { ...1-0, Rodriguez Amador 2464 - Ramon Vivian 2228 , Isla 1992 It (open) } ) 11...g6 12.Qg3 { ?/= } ( 12.Bb2 Bg7 13.Qg3 Qc7 14.Ba3 Bf8 15.O-O Bxa3 16.Nxa3 O-O 17.Rfe1 Kg7 18.Nc4 Nxc4 19.Bxc4 Nf4 20.Qc3 f6 21.d4 f5 22.Nc5 e4 23.f3 exf3 24.Qxf3 g5 25.Re3 Qd6 26.c3 Bd7 27.Rae1 Rfe8 28.Rxe8 Rxe8 29.Rxe8 Bxe8 30.g3 Nh3+ 31.Kg2 Bg6 { ...1-0, Narciso Dublan Marc 2450 - Medina-Garcia Antonio 2345 , Catalunia 1997 Ch Catalunia (team) } ) 12...Bg7 ( 12...Nf4 13.Bb2 Bg7 14.Ba3 Nb7 15.Nbc3 f5 16.Ne2 g5 17.Nxf4 exf4 18.Qf3 Qa5 19.Nd6+ Nxd6 20.Qxc6+ Kf7 21.Bxd6 Re8+ 22.Kd1 Bxa1 23.Bc4+ Be6 24.Re1 Bxc4 25.Qxc4+ Kg6 26.Bxb8 Rxb8 27.c3 Qxa2 28.Re6+ Kh5 29.Rxh6+ { 1/2-1/2, Van Der Wiel John T H 2470 - Timman Jan H 2630 , Leeuwarden 1981 Ch Netherlands } ) 13.Bb2 { N } ( 13.Ba3 Nb4 14.O-O ( 14.Ke2 O-O 15.c3 Bg4+ 16.Kf1 Qxd3+ 17.Qxd3 Nxd3 18.Bxf8 Rxf8 19.f3 Bc8 20.Nf2 Nxf2 21.Kxf2 Nb7 22.b4 Bf5 23.a4 Rd8 24.Ra2 Bd3 25.Na3 f5 26.Rb2 e4 27.b5 Na5 28.bxc6 Nxc6 29.f4 Na5 30.Nb5 Nc4 31.Ra2 a6 32.Nc7 a5 { ...0-1, Van Der Wiel John T H 2465 - Torre Eugenio 2520 , Sochi 1980 It } ) 14...O-O 15.Bxb4 { } ) 13...Nf4 ( 13...Qc7 14.Ba3 Bf8 15.O-O Bxa3 16.Nxa3 O-O 17.Rfe1 Kg7 18.Nc4 Nxc4 19.Bxc4 Nf4 20.Qc3 f6 21.d4 f5 22.Nc5 e4 23.f3 exf3 24.Qxf3 g5 25.Re3 Qd6 26.c3 Bd7 27.Rae1 Rfe8 28.Rxe8 Rxe8 29.Rxe8 Bxe8 30.g3 Nh3+ 31.Kg2 Bg6 32.Qe3 g4 33.Ne6+ { ...1-0, Narciso Dublan Marc 2450 - Medina-Garcia Antonio 2345 , Catalunia 1997 Ch Catalunia (team) } ) 14.Qxf4 ( 14.Ba3 Nb7 15.Nbc3 f5 16.Ne2 g5 17.Nxf4 exf4 18.Qf3 Qa5 19.Nd6+ Nxd6 20.Qxc6+ Kf7 21.Bxd6 Re8+ 22.Kd1 Bxa1 23.Bc4+ Be6 24.Re1 Bxc4 25.Qxc4+ Kg6 26.Bxb8 Rxb8 27.c3 Qxa2 28.Re6+ Kh5 29.Rxh6+ { 1/2-1/2, Van Der Wiel John T H 2470 - Timman Jan H 2630 , Leeuwarden 1981 Ch Netherlands } ) 14...exf4 15.Bxg7 Kd7 16.Bf6 { N } 16...Qe8 17.O-O Kc7 18.Re1 { ! } ( 18.Nbc3 Nb7 19.Rfe1 Bf5 20.b4 { } ) 18...Bf5 19.Na3 Qe6 { ?! } ( 19...Qf8 { !? } 20.Be5+ Kb7 21.b4 Bxe4 { } ) 20.Bc3 Qd5 21.Nc4 Nxc4 22.bxc4 Qd8 23.Ba5+ { } {#r} 1-0