[Event "80th US Open"] [Site "Chicago, IL USA"] [Date "1979.08.06"] [EventDate "?"] [Round "8"] [Result "1/2-1/2"] [White "Ray Stone"] [Black "Leonid Bass"] [ECO "B46"] [WhiteElo "2171"] [BlackElo "?"] [PlyCount "76"] 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 a6 6.Be2 Qc7 7.O-O Nf6 8.Kh1 b5 9.Nxc6 dxc6 10.f4 b4 11.e5 bxc3 12.exf6 Qd8 13.Bf3 Bb7 14.fxg7 Bxg7 15.b3 Qe7 16.Be3 O-O 17.Qe2 a5 18.Rfd1 a4 19.Qc4 Rfc8 20.Bd4 Bxd4 21.Qxd4 c5 22.Qxc3 Bxf3 23.Qxf3 Qf6 24.c3 Rcb8 25.b4 cxb4 26.cxb4 a3 27.Rab1 Ra4 28.Qe4 Qc3 29.Rd4 Rc8 30.h3 Raa8 31.Rd3 Qf6 32.Kh2 Rd8 33.b5 Rxd3 34.Qxa8+ Kg7 35.Qe4 Rd2 36.Rb3 Rxa2 37.Rg3+ Kh6 38.Qe3 Ra1 1/2-1/2