[Event "Candidates qf Kortschnoj-Petrosian +2-1"]
[Site "Ciocco"]
[Date "1977.??.??"]
[Round "11"]
[White "Kortschnoj, Viktor Lvovich"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[WhiteElo "2645"]
[BlackElo "2645"]

1. c4 e6 2. g3 d5 3. Nf3 Nf6 4. Bg2 Be7 5. d4 O-O 6. Nbd2 b6 7. O-O Bb7 8. b3 Nbd7 9. Bb2 c5 10. Rc1 Rc8 11. e3 dxc4 12. Nxc4 Rc7 13. Qe2 cxd4 14. Nxd4 Bxg2 15. Kxg2 a6 16. e4 Qb8 17. Nd2 Rxc1 18. Rxc1 Qb7 19. f3 Nc5 20. Nc4 Rc8 21. Ne5 Bf8 22. Qd2 a5 23. a3 Ra8 24. Nec6 Nfd7 25. e5 Nb8 26. Nxb8 Rxb8 27. b4 1/2-1/2