[Event "Ch USA"] [Site "masterchessopen.com El Paso (USA)"] [Round "3"] [White "Grefe John A (USA)"] [Black "Gilden Lawrence C (USA)"] [Result "1-0"] [WhiteElo "2316"] [BlackElo "2300"] [ECO "B90"] [Opening "Sicilian: Najdorf"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Qd2 Nbd7 9.O-O-O Qc5 10.Bxf6 Nxf6 11.e5 dxe5 12.Nf3 Nd7 13.fxe5 Qa5 14.Qg5 h6 15.Qg3 g5 16.h4 g4 17.Qxg4 h5 18.Qg3 b5 19.Kb1 Bb7 20.Bd3 Rc8 21.Ng5 b4 22.Qf4 Nxe5 23.Rhe1 Bg7 24.Rxe5 Qc7 25.Rxe6+ {#r} 1-0