[Event "US Open"] [Site "Las Vegas, Nevada"] [Round "8"] [White "Tibor Weinberger"] [Black "Matthew Campbell"] [Result "1-0"] [ECO "A53"] [Opening "Old Indian: 3.Nf3"] 1.d4 Nf6 2.c4 d6 3.Nf3 g6 4.Nc3 Bg7 5.e3 O-O 6.Be2 Nbd7 7.O-O c6 8.b3 Re8 9.Qc2 e5 10.Ba3 Bf8 11.Rfe1 a6 12.Bb2 b5 13.d5 bxc4 14.dxc6 cxb3 15.axb3 Nc5 16.b4 Bf5 17.Qd1 Ne6 18.Bxa6 Qb6 19.b5 Nc7 20.Na4 Qb8 21.Bb7 Ra5 22.b6 Ne6 23.Qe2 Nd8 24.Bc3 Nxb7 25.Bxa5 Nxa5 26.Qb5 Nxc6 27.Qxc6 Bd7 28.Qc7 Qxc7 29.bxc7 Nd5 30.Rec1 Ra8 31.e4 Nxc7 32.Rxc7 Rxa4 33.Rxa4 Bxa4 34.Ng5 Bb3 35.Rc8 h5 36.Nh7 Kxh7 37.Rxf8 Kg7 38.Rd8 Bc2 39.f3 f5 40.exf5 Bxf5 41.Rxd6 e4 42.f4 h4 43.Kf2 h3 44.g3 Kf7 45.Ke3 Kg7 46.Rb6 Kh6 47.Rb5 Kg7 48.Re5 Kf6 49.Re8 Kf7 50.Rxe4 Bxe4 51.Kxe4 Kf6 52.g4 Ke6 53.g5 Kf7 54.Kd5 {#r} 1-0