[Event "Candidates qf Spassky-Portisch +1-1=12"]
[Site "Mexico City"]
[Date "1980.04.??"]
[Round "9"]
[White "Spassky, Boris Vasilievich"]
[Black "Portisch, Lajos"]
[Result "1-0"]
[WhiteElo "2615"]
[BlackElo "2655"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3
Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. c4 Qc7 13. O-O-O O-O-O 14. Bc3 c5 15. Kb1 cxd4 16. Nxd4
a6 17. Nb3 Be7 18. Ba5 b6 19. Bc3 Nc5 20. Qf3 Qb7 21. Qxb7+ Kxb7 22. Nxc5+ bxc5 23. f3
Rxd1+ 24. Rxd1 Kc6 25. Rh1 Nd7 26. Kc2 Rg8 27. Ne2 Bd6 28. a3 f5 29. b4 Nb6 30. Kb3 Kd7
31. Rd1 Ke7 32. bxc5 Bxc5 33. Nf4 Rb8 34. Bb4 Nd7 35. Kc3 Rc8 36. Nd3 Bxb4+ 37. axb4 e5
38. Ra1 Rc6 39. Ra5 Kf6 40. g3 Re6 41. Rd5 Nf8 42. Rd8 Ke7 43. Ra8 g6 44. Nc5 Rd6 45. Nxa6
Ne6 46. b5 gxh5 47. c5 Rd5 48. Ra7+ Ke8 49. b6 1-0