[Event "Quebec op"]
[Site "Montreal CAN"]
[Date "1987.07.31"]
[Round "6"]
[White "Spraggett, Grant"]
[Black "Patterson, Roger"]
[Result "1-0"]
[WhiteElo "2267"]
[BlackElo "2076"]
[PlyCount "81"]

1.Nf3 d5 2.g3 c5 3.Bg2 Nf6 4.O-O Nc6 5.d4 e6 6.c4 Be7 7.Nc3 O-O 8.cxd5 exd5 9.dxc5 Bxc5 10.Bg5 d4 11.Bxf6 Qxf6 12.Nd5 Qd8 13.Nd2 a5 14.Rc1 Ba7 15.Nc4 Rb8 16.a4 Be6 17.Nf4 Bxc4 18.Rxc4 Nb4 19.Qb3 b5 20.axb5 Rxb5 21.Rfc1 Re5 22.h4 g6 23.Bf3 Bb6 24.Kg2 Qd6 25.h5 Kg7 26.Nd3 Nxd3 27.Qxd3 Re6 28.Rc6 Qe5 29.Rxe6 fxe6 30.Rc6 Bd8 31.Qc4 Rf6 32.Rc8 Qd6 33.Qb5 Rf7 34.Rc6 Qd7 35.Be4 Bc7 36.Qc5 Re7 37.Qc2 gxh5 38.Bxh7 d3 39.Bxd3 Qd5+ 40.Be4 Qe5 41.f4 1-0