[Event "Ch USA"] [Site "masterchessopen.com Stillwater (USA)"] [Date "2007.05.20"] [Round "6"] [White "Onischuk Alexander (USA)"] [Black "Shabalov Alexander (USA)"] [Result "1-0"] [WhiteElo "2674"] [BlackElo "2626"] [ECO "D10"] [Opening "Slav: 3.Nc3 Nf6"] { Onischuk Alexander (USA) +1 =1 -1 Shabalov Alexander (USA) +9 =2 -6 } 1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 e6 5.Bg5 dxc4 6.e4 b5 7.e5 h6 8.Bh4 g5 9.Nxg5 hxg5 10.Bxg5 Nbd7 11.exf6 Qa5 { ?/= } 12.Be2 ( 12.g3 b4 13.Ne4 Ba6 14.b3 Qd5 15.Qc2 cxb3 16.axb3 Bxf1 17.Kxf1 c5 18.Ra5 Qb7 19.dxc5 Rc8 20.Ke2 Ne5 21.Be3 Nc6 22.Raa1 Ne5 23.f3 Rh5 24.Bd4 Qb5+ 25.Kf2 Nc6 26.Be3 Ne5 27.Kg2 a5 28.g4 Rh4 29.h3 Nd7 30.Rhd1 Nb6 31.Qd3 { 1-0, Van Wely Loek 2714 - Blokhuis Jeroen 2321 , Amsterdam 2001 It (open) "Lost Boys" } ) 12...Bb7 13.O-O O-O-O 14.Qc1 c5 ( 14...Bd6 15.h4 c5 16.dxc5 Bb8 17.Rd1 Qc7 18.Bf3 Bxf3 19.gxf3 Qh2+ 20.Kf1 Ne5 21.Qe3 Rd3 22.Qe4 Rxf3 23.Rd2 Qh1+ 24.Ke2 Qxa1 25.Nxb5 Rd3 26.b4 Rxd2+ 27.Bxd2 Qg1 28.Bf4 Qg4+ 29.Ke3 Qf5 30.Bxe5 Qxe5 31.Nxa7+ Kd7 32.c6+ Kd6 33.Qxe5+ Kxe5 34.Nb5 { ...0-1, Agdestein Simen 2585 - Hector Jonny 2510 , Reykjavik 1995 Zt } ) 15.Rd1 { N } ( 15.dxc5 Bxc5 16.Qf4 Ne5 17.Rfd1 ( 17.Rad1 Nd3 18.Qg3 Bd6 19.f4 b4 20.Bxd3 cxd3 21.Nb1 Qxa2 22.Kh1 Kb8 23.Nd2 Qxb2 24.Nc4 Qd4 25.Nxd6 Qxd6 26.h4 Ka8 27.Qe3 Qd4 28.Rfe1 Rd5 29.Kg1 Bc6 30.f5 Qxe3+ 31.Rxe3 Rxf5 32.Rexd3 Rd5 33.Kf2 Kb7 34.g4 a5 { ...1/2-1/2, Salvermoser Bernd 2242 - Bach Edwin 2288 , Germany 23. 2.2003 Bundesliga (2nd) South 2002/03 } ) 17...Ng6 18.Qg4 Ne5 19.Qg3 b4 20.Rxd8+ Rxd8 21.Nd1 Nd3 22.Ne3 c3 23.bxc3 b3 24.Bf3 b2 25.Bxb7+ Kxb7 26.Qf3+ Kb8 27.Rb1 Bb6 28.Bf4+ e5 29.Bg3 Qxa2 30.Qd1 Nxf2 31.Qc2 Nd1 { 1-0, Karolyi Tibor Jr 2364 - Kaidanov Gregory S 2500 , Budapest 1989 It (2) } ) 15...cxd4 { -0.04 CAP } 16.Rxd4 Bc5 17.b4 Qxb4 { ?! } ( 17...Bxb4 { !? } 18.Nxb5 Qxb5 19.Qxc4+ Qxc4 20.Rxc4+ Bc5 21.Rac1 Bd5 22.Rxc5+ Nxc5 23.Rxc5+ Kb7 { } ) 18.Rb1 Qxb1 19.Qxb1 Bxd4 20.Nxb5 Ne5 21.Bf4 Nc6 22.Nd6+ Rxd6 23.Bxd6 c3 24.Bf3 Bb6 25.Bb4 Bd4 26.Bxc3 { } {#r} 1-0