[Event "US Open"] [Site "San Francisco, CA"] [Round "9"] [White "Pal Benko"] [Black "William G Addison"] [Result "1-0"] [ECO "A11"] [Opening "English: Caro-Kann Defence"] 1.c4 c6 2.e4 d5 3.exd5 cxd5 4.d4 Nf6 5.Nc3 Nc6 6.Nf3 Bg4 7.cxd5 Nxd5 8.Qb3 Bxf3 9.gxf3 e6 10.Qxb7 Nxd4 11.Bb5+ Nxb5 12.Qc6+ Ke7 13.Qxb5 Qd7 14.Nxd5+ exd5 15.Qe2+ Kf6 16.O-O Bd6 17.Rd1 Qh3 18.Bg5+ Kg6 19.Qd3+ f5 20.f4 Qxd3 21.Rxd3 h6 22.Rxd5 Bb8 23.Be7 Bxf4 24.Kh1 Rhe8 25.Rg1+ Kh7 26.Bc5 Re5 27.Rgd1 a6 28.b4 g5 29.Rd6 Re2 30.Rc6 Bd2 31.Kg2 Rae8 32.Rd6 Be3 33.Bxe3 R8xe3 34.Rxa6 g4 35.Rd7+ Re7 36.Rxe7+ Rxe7 37.b5 Re2 38.a4 f4 39.Rf6 Re4 40.a5 Rb4 41.b6 Kg7 42.Rc6 h5 43.h3 Rb2 44.hxg4 hxg4 45.Rc4 Rb5 46.Rxf4 Rxa5 47.Rxg4+ Kf6 48.Rb4 Ra8 49.b7 Rb8 50.f4 Ke6 51.Kf3 {#r} 1-0