[Event "Candidates sf Kortschnoj-Polugaevsky3-2"]
[Site "Buenos Aires"]
[Date "1980.07.20"]
[Round "1"]
[White "Kortschnoj, Viktor Lvovich"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]
[WhiteElo "2695"]
[BlackElo "2635"]

1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bf4 Bb4 7. Nb5 O-O 8. Bc7 Qe7 9. Bd6 Bxd6 10. Qxd6 Qd8 11. g3 a6 12. Na3 Qb6 13. Rb1 Qb4 14. Qxb4 Nxb4 15. Bg2 d5 16. cxd5 exd5 17. Rd1 Be6 18. O-O Rfd8 19. e3 Rab8 20. b3 Ne4 21. Nxe4 dxe4 22. Rxd8+ Rxd8 23. Bxe4 Nxa2 24. Bxb7 a5 25. Nc2 Rb8 26. Bc6 Bxb3 27. Ra1 Bc4 28. Na3 Be6 29. Nb5 f6 30. e4 Nb4 31. Nd4 Bh3 32. Bb5 Rd8 33. Bc4+ Kf8 34. Be6 Rxd4 35. Bxh3 Rxe4 36. Rxa5 Re1+ 37. Kg2 Nc6 38. Ra6 Ne5 39. Ra8+ Kf7 40. Ra7+ Kg6 41. Be6 Re2 1/2-1/2