[Event "It"] [Site "Havirov (Czech Republic)"] [Date "1968.08.21"] [Round "11"] [White "Lapis Ludvik"] [Black "Gulko Boris F (USA)"] [Result "0-1"] [BlackElo "2535"] [ECO "B06"] [Opening "Modern: 3.Nf3 d6"] 1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.Bf4 c5 5.c3 Qb6 6.Qd2 cxd4 7.cxd4 Bg4 8.Be3 Bxf3 9.gxf3 Nc6 10.e5 dxe5 11.dxe5 Nxe5 12.Bg2 Qxb2 {#R} 0-1