[Event "Ch USA"] [Site "masterchessopen.com San Diego (USA)"] [Date "2004.12.04"] [Round "9"] [White "Hahn Anna (USA)"] [Black "Sagalchik Olga (USA)"] [Result "1-0"] [WhiteElo "2235"] [BlackElo "2132"] [ECO "D08"] [Opening "QGD: Albin, 4.Nf3 Nc6"] 1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 Nc6 5.g3 Be6 6.Nbd2 Qd7 7.Bg2 Nge7 8.O-O Ng6 9.Ng5 Ngxe5 10.Nxe6 fxe6 11.a3 a5 12.b3 Be7 13.Bb2 h5 14.Qb1 Rh6 15.Qe4 Bc5 16.b4 axb4 17.axb4 Rxa1 18.Rxa1 Bxb4 19.Ra8+ Ke7 20.Qh4+ Kf7 21.Ne4 Be7 22.Qf4+ Bf6 23.Ng5+ Ke7 24.Ba3+ Qd6 25.Bxd6+ cxd6 26.Bxc6 Nxc6 27.c5 {#r} 1-0