[Event "Candidates qf Kortschnoj-Petrosian +2-1"]
[Site "Ciocco"]
[Date "1977.??.??"]
[Round "12"]
[White "Petrosian, Tigran V"]
[Black "Kortschnoj, Viktor Lvovich"]
[Result "1/2-1/2"]
[WhiteElo "2645"]
[BlackElo "2645"]
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 Bb4+ 6. Nbd2 c5 7. dxc5 Bxc5 8. O-O Nc6 9. a3 Qc7 10. b3 Ne5 11. Nxe5 Qxe5 12. Ra2 Bd6 13. g3 Qc5 14. e4 h5 15. b4 Qc7 16. Re1 h4 17. Nf1 hxg3 18. hxg3 a5 19. Rb2 axb4 20. axb4 Be5 21. Rc2 Ra1 22. Qe2 Qb8 23. Kg2 Qa8 24. Nd2 Ra4 25. b5 Kf8 26. Nf3 Bd6 27. Ng5 Bc5 28. Bb2 Ke7 29. Rcc1 Ba3 30. Ra1 Bxb2 31. Qxb2 Rxa1 32. Rxa1 Qb8 33. Qd4 e5 34. Qc3 Rh5 35. Qb4+ d6 36. Qd2 g6 37. Be2 Nxe4 38. Nxe4 Bxe4+ 39. f3 Bb7 40. g4 Rh7 1/2-1/2