[Event "Candidates qf Spassky-Portisch +1-1=12"]
[Site "Mexico City"]
[Date "1980.03.30"]
[Round "1"]
[White "Spassky, Boris Vasilievich"]
[Black "Portisch, Lajos"]
[Result "0-1"]
[WhiteElo "2615"]
[BlackElo "2655"]
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