[Event "Candidates sf Spassky-Portisch +4-2=9"]
[Site "Geneve"]
[Date "1977.08.??"]
[Round "13"]
[White "Spassky, Boris Vasilievich"]
[Black "Portisch, Lajos"]
[Result "1-0"]
[WhiteElo "2610"]
[BlackElo "2625"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5 7. Nh3 exf4 8. Bxf4 Nge7 9. O-O
h6 10. Rb1 O-O 11. a3 Be6 12. Be3 Ne5 13. Nf4 Bd7 14. Kh1 Rc8 15. Qd2 Kh7 16. h3 Bc6 17.
g4 Qd7 18. Rf2 b6 19. Rbf1 Bb7 20. Qe2 Rce8 21. Bc1 Kg8 22. Qe3 b5 23. Qg3 b4 24. axb4
cxb4 25. Nd1 d5 26. d4 N5c6 27. exd5 Nxd4 28. c4 bxc3 29. bxc3 Nb3 30. Ba3 Rc8 31. c4 Na5
32. Re2 Rfe8 33. Rfe1 Bf8 34. Nh5 Nxd5 35. cxd5 gxh5 36. gxh5+ Bg7 37. Bb2 f6 38. Bxf6
Rxe2 39. Rxe2 Qf7 40. Re6 1-0