[Event "Buenos Aires International"]
[Site "Buenos Aires"]
[Date "1964.07.10"]
[Round "2"]
[White "Petrosian, Tigran V"]
[Black "Olivera, Alfredo"]
[Result "1-0"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5 8. a3 dxc4 9.
Bxc4 Qxd1+ 10. Rxd1 a6 11. Bd3 Nbd7 12. Nd2 b5 13. Nde4 Bb7 14. f3 Nd5 15. Nxd5 Bxd5 16.
Ke2 f5 17. Nc3 Bb3 18. Rc1 Be7 19. Nb1 Nc5 20. Nd2 Bd5 21. Be5 Rfd8 22. Bc2 Rac8 23. Rhd1
Nd7 24. Bd4 e5 25. Bc3 g6 26. Bb3 Nc5 27. Bxd5+ Rxd5 28. e4 Rd7 29. Bb4 Rdc7 30. Bxc5 Rxc5
31. Rxc5 Rxc5 32. Nb3 Rc2+ 33. Rd2 Rxd2+ 34. Kxd2 Kf7 35. Kc3 Ke6 36. Nc1 fxe4 37. fxe4
Bc5 38. Nd3 Kd6 39. Kb3 Be3 40. a4 Bd2 41. Kc2 Ba5 42. b3 Bb6 43. Kd2 Bd8 44. Ke2 Ba5 45.
Kd1 Bc3 46. Kc1 Ba5 47. Kc2 Bd8 48. axb5 axb5 49. Ne1 Kc5 50. Nf3 Bc7 51. Ng5 Bd6 52. Kc3
Be7 53. Nf3 Bd8 54. h3 Be7 55. Ne1 Bd6 56. g3 Kb6 57. Nf3 Be7 58. Nxe5 Bf6 59. Kd4 Ka5 60.
Kd5 Kb4 61. Nc6+ Kxb3 62. e5 Bg5 63. h4 Bc1 64. Nd4+ Ka4 65. Kc6 g5 66. e6 Ba3 67. h5 1-0