[Event "CAN-op"]
[Site "Vancouver CAN"]
[Date "1971.08.31"]
[Round "8"]
[White "Ervin, Roy"]
[Black "Wuntschek, S."]
[Result "1-0"]
[PlyCount "89"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.a4 a5 6.b5 Nce7 7.Nxe5 d5 8.exd5 Bd4 9.Nxf7 Kxf7 10.c3 Nxd5 11.Qh5+ Ke6 12.Qg4+ Kf7 13.Qxd4 Nf6 14.O-O Re8 15.d3 h6 16.Nd2 Bf5 17.f3 Kg6 18.Ne4 Nb6 19.Nxf6 Qxd4+ 20.cxd4 Kxf6 21.Bf4 Re7 22.Be5+ Kg6 23.g4 Bc8 24.Kg2 Nxc4 25.dxc4 Be6 26.c5 Rf8 27.Kg3 Rd7 28.f4 Bd5 29.h4 Re8 30.f5+ Kf7 31.Rf2 Kg8 32.g5 Rf8 33.g6 Be4 34.Kg4 Bd5 35.Ra3 c6 36.Re3 Bc4 37.bxc6 bxc6 38.Bd6 Rfd8 39.Rb2 Ra8 40.Rb1 Kh8 41.Rbe1 Bg8 42.Re8 Rxe8 43.Rxe8 Rd8 44.Re7 Re8 45.f6 1-0