[Event "Candidats qf3"]
[Site "Mexico"]
[Date "1980.??.??"]
[Round "1"]
[White "Spassky, Boris V"]
[Black "Portisch, Lajos"]
[Result "0-1"]
[WhiteElo "2615"]
[BlackElo "2655"]
[ECO "B25"]

1.e4 c5 2.Nc3 d6 3.g3 Nc6 4.Bg2 g6 5.d3 Bg7 6.f4 e6 7.Nf3 Nge7 8.O-O O-O
9.Rb1 b6 10.Bd2 Bb7 11.Ne2 Qd7 12.g4 f5 13.gxf5 exf5 14.c4 Nd8 15.Nc3 Ne6
16.Ng5 Nxg5 17.fxg5 Rf7 18.Qf3 Raf8 19.Qh3 Qd8 20.exf5 Bc8 21.Ne4 Bd4+ 22.Kh1 Nxf5
23.Nf6+ Kh8 24.Bc3 Ne3 25.Qh4 Bxc3 26.bxc3 Nxf1 27.Rxf1 Bf5 28.d4 Rxf6 29.gxf6 Qxf6
30.Qxf6+ Rxf6 31.a4 Kg7 32.a5 Bd3 33.Rxf6 Kxf6 34.axb6 axb6 35.Bd5 Kf5 36.dxc5 dxc5
37.Kg1 Kf4 38.Kf2  0-1

