[Event "Buenos Aires International"]
[Site "Buenos Aires"]
[Date "1964.07.21"]
[Round "9"]
[White "Petrosian, Tigran V"]
[Black "Letelier Martner, Rene"]
[Result "1-0"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 c6 8. Qc2 Nbd7 9.
Nge2 Re8 10. O-O Nf8 11. Rae1 Nh5 12. Bxe7 Rxe7 13. b4 a6 14. Na4 g6 15. Nc5 Ng7 16. a4
Bf5 17. b5 axb5 18. axb5 b6 19. Na6 cxb5 20. Nb4 Qd6 21. Bxf5 Nxf5 22. Qb3 Rd7 23. Nc3 Ne7
24. Nxb5 Qf6 25. Ra1 Ra5 26. Nd3 Rd8 27. Rac1 h5 28. Ne5 Qe6 29. Rc7 f6 30. Rxe7 Qxe7 31.
Nc6 Qd7 32. Nxa5 bxa5 33. Nc3 Qc6 34. Ra1 1-0