[Event "Candidates sf Petrosian-Kortschnoj+1-0"]
[Site "Moscow"]
[Date "1971.07.??"]
[Round "2"]
[White "Kortschnoj, Viktor Lvovich"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]

1. c4 Nf6 2. Nf3 e6 3. d4 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 d6 6. Nc3 Qe7 7. g3 O-O 8. Bg2 Rd8 9. O-O Nbd7 10. Rad1 Nf8 11. e4 Bd7 12. e5 Ne8 13. Qe2 c6 14. Nd2 d5 15. a3 Nc7 16. Rc1 Be8 17. c5 b6 18. b4 bxc5 19. bxc5 Rdb8 20. Rb1 f6 21. f4 Bg6 22. Rb3 Nd7 23. exf6 Qxf6 24. Qe3 Bc2 25. Rxb8+ Rxb8 26. Na2 Nb5 27. Nf3 a5 28. Rc1 Be4 29. a4 Nc7 30. Nd2 Bxg2 31. Kxg2 Rb2 32. Nc3 Nxc5 33. dxc5 d4 34. Qd3 dxc3 35. Rxc3 Nd5 36. Rb3 h6 37. Kf3 1/2-1/2