[Event "US Open"] [Site "San Antonio, TX"] [Round "11"] [White "Erich Watkinson Marchand"] [Black "Jack O'Keefe"] [Result "0-1"] [ECO "A15"] [Opening "English: Anglo-Indian, 2.Nf3 g6"] 1.c4 Nf6 2.Nf3 g6 3.Nc3 d5 4.cxd5 Nxd5 5.g3 Bg7 6.Bg2 c5 7.O-O Nxc3 8.bxc3 Nc6 9.Ba3 Qa5 10.Qc1 O-O 11.Rb1 b6 12.Nd4 cxd4 13.Bxc6 Bh3 14.Bxe7 Bxf1 15.Bxa8 Rxa8 16.Qxf1 dxc3 17.dxc3 Qxa2 18.Qe1 Re8 19.Ra1 Qe6 20.Bg5 Qxe2 21.Qxe2 Rxe2 22.Rxa7 Bxc3 23.Bh6 Re8 24.Rb7 Bd4 25.Be3 Bxe3 26.fxe3 Re6 27.e4 Kg7 28.Kg2 Kf6 29.Kf3 h5 30.h4 Ke5 31.Ke3 f5 32.exf5 Kxf5+ 33.Kf3 Rd6 34.Rf7+ Ke5 35.Ke3 Kd5 36.Rf4 Kc5 37.g4 hxg4 38.Rxg4 b5 39.Rg5+ Kc4 40.h5 gxh5 41.Rxh5 b4 42.Rh8 Kc3 43.Rc8+ Kb2 44.Rb8 b3 45.Ra8 Kc2 46.Rc8+ Kb1 47.Rb8 b2 48.Ra8 Kc1 49.Rc8+ Kd1 50.Rb8 Rd2 51.Rb7 Kc1 52.Rb8 Rc2 {#R} 0-1