[Event "CNE op"]
[Site "Toronto CAN"]
[Date "1971.09.06"]
[Round "5"]
[White "Day, Lawrence"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[BlackElo "2700"]
[PlyCount "84"]

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 e6 6.Be3 d6 7.Nh3 Nge7 8.O-O O-O 9.Qd2 Re8 10.Rab1 b6 11.Bh6 Bh8 12.f4 Bd7 13.g4 f5 14.gxf5 exf5 15.Rbe1 a6 16.Ng5 Bg7 17.Bxg7 Kxg7 18.Nf3 b5 19.Kh1 Rc8 20.a3 Qb6 21.h4 Nd4 22.h5 a5 23.Nd1 Ng8 24.Ne3 Nf6 25.Nd5 Nxd5 26.exd5 Nxf3 27.Rxf3 b4 28.Rfe3 Qd8 29.Rxe8 Qh4+ 30.Kg1 Rxe8 31.Rxe8 Bxe8 32.axb4 axb4 33.hxg6 Bxg6 34.c3 bxc3 35.bxc3 Qg3 36.c4 Kf7 37.d4 Qa3 38.Kh2 Qa7 39.Qe3 Qe7 40.Qxe7+ Kxe7 41.dxc5 dxc5 42.Bf3 Be8 1/2-1/2