[Event "Candidates sf Petrosian-Kortschnoj+1-0"]
[Site "Moscow"]
[Date "1971.07.??"]
[Round "6"]
[White "Kortschnoj, Viktor Lvovich"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]

1. c4 Nf6 2. Nf3 e6 3. d4 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Bd2 d6 8. d5 Nxd2 9. Nxd2 O-O 10. O-O Kh8 11. Qc2 Nd7 12. b4 Bf6 13. Nde4 Bxc3 14. Nxc3 Qe7 15. Rfd1 Nf6 16. a3 e5 17. Rab1 Ne8 18. e3 g6 19. Ne2 f5 20. c5 Rd8 21. a4 Nf6 22. Qc4 a6 23. Rbc1 Rf7 24. cxb6 cxb6 25. Qd3 Kg8 26. Rc2 Qe8 27. Qb3 Rc8 28. Rxc8 Qxc8 29. Rc1 Qa8 30. h3 Kg7 31. f4 Bxd5 32. Bxd5 Qxd5 33. Qxd5 Nxd5 34. Rc6 Rd7 35. a5 bxa5 36. bxa5 Nxe3 37. Rxa6 Nc4 38. Ra8 Rb7 39. a6 Rb1+ 40. Kf2 Ra1 41. a7 Nd2 42. Nc3 1/2-1/2