[Event "Mar del Plata International-23"]
[Site "Mar del Plata"]
[Date "1960.04.05"]
[Round "7"]
[White "Letelier Martner, Rene"]
[Black "Redolfi, Argentino Rodolfo"]
[Result "1-0"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. e3 Bb4 7. Bd2 O-O 8. a3 Be7 9. Be2 b6 10. Nf3 Bb7 11. O-O Rc8 12. Rc1 Qc7 13. h3 Qb8 14. Nb5 e5 15. Qa4 d5 16. cxd5 Nxd5 17. Nc3 Nf6 18. Rfd1 Rfd8 19. Be1 h6 20. Rxd8+ Rxd8 21. Bb5 Qa8 22. Ne2 Rc8 23. Ba6 Nd7 24. b4 Bf8 25. Bc4 e4 26. Nfd4 Nce5 27. Bb5 Rxc1 28. Nxc1 Nf6 29. Qc2 Qd8 30. Be2 Qd7 31. Na2 Nd3 32. Bd2 Qd5 33. Nc3 Qc4 34. Nxe4 Qxc2 35. Nxf6+ gxf6 36. Nxc2 Ne5 37. Nd4 Bd5 38. Nb5 Bc4 39. Kf1 Bxe2+ 40. Kxe2 a6 41. Nc7 1-0