[Event "Mar del Plata International-23"]
[Site "Mar del Plata"]
[Date "1960.04.15"]
[Round "15"]
[White "Gadia, Olicio"]
[Black "Letelier Martner, Rene"]
[Result "1/2-1/2"]

1. Nf3 d5 2. d4 c5 3. e3 Nf6 4. Nbd2 Nbd7 5. b3 g6 6. Bb2 Bg7 7. dxc5 Nxc5 8. Bb5+ Bd7 9. Bxd7+ Qxd7 10. O-O O-O 11. Qe2 Rac8 12. Rfd1 b5 13. c4 bxc4 14. Nxc4 Qb5 15. Nd4 Qb7 16. Ne5 Nfe4 17. Ndf3 Rc7 18. Ne1 Rfc8 19. f3 Nd6 20. Ng4 Bxb2 21. Qxb2 h5 22. Nf2 Na4 23. Qe5 Nc3 24. Rd2 Qb6 25. g4 hxg4 26. Nxg4 Nf5 27. Ng2 Qd6 28. Qxd6 Nxd6 29. Nf4 Rc5 30. Nd3 Rb5 31. Rc1 Rb7 32. Kg2 a5 33. Rdc2 Rbc7 34. Nf4 Kg7 35. Nf2 e6 36. Nd1 Ndb5 37. Nxc3 Rxc3 38. Rxc3 Rxc3 39. Rxc3 Nxc3 40. a3 Kf6 41. Nd3 Nd1 42. e4 dxe4 43. fxe4 Ne3+ 44. Kf2 Nc2 45. a4 e5 46. Kg3 Ke7 47. Nxe5 Nd4 48. Nc4 Nxb3 49. Kf4 Ke6 50. h4 Kf6 51. Ne5 Nc5 52. Nc6 Nxa4 53. Nxa5 Nc5 54. Nc4 Ne6+ 55. Kg4 Ng7 56. Kf4 Nh5+ 57. Kg4 1/2-1/2