[Event "USA-ch / Zonal"] [Site "Oberlin, OH USA"] [Date "1975.06.20"] [EventDate "?"] [Round "10"] [Result "1/2-1/2"] [White "Edmar J Mednis"] [Black "Pal Benko"] [ECO "B42"] [WhiteElo "2455"] [BlackElo "2515"] [PlyCount "45"] 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.O-O d6 7.c4 Be7 8.Nc3 O-O 9.Qe2 Re8 10.Be3 Nbd7 11.f4 Bf8 12.Kh1 b6 13.e5 dxe5 14.Nc6 Qc7 15.fxe5 Bb7 16.exf6 Bxc6 17.Bxh7+ Kxh7 18.Qh5+ Kg8 19.fxg7 Bxg7 20.Qxf7+ Kh8 21.Qh5+ Kg8 22.Qf7+ Kh8 23.Qh5+ 1/2-1/2