[Event "Mar del Plata International-25"]
[Site "Mar del Plata"]
[Date "1962.04.08"]
[Round "12"]
[White "Byrne, Donald"]
[Black "Letelier Martner, Rene"]
[Result "1-0"]

1. c4 e5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d3 f5 6. Nf3 Nf6 7. O-O O-O 8. Bd2 c6 9. Rc1 Qe7 10. b4 h6 11. b5 Kh7 12. Ne1 Be6 13. Nc2 Rc8 14. Re1 d5 15. bxc6 bxc6 16. cxd5 cxd5 17. e4 fxe4 18. dxe4 d4 19. Nd5 Qb7 20. Nxd4 Bxd5 21. exd5 exd4 22. d6 Nc6 23. Qa4 Qb2 24. Rc2 Qb6 25. Bxc6 d3 26. Ba5 dxc2 27. Bxb6 axb6 28. Qxa8 Rxa8 29. Bxa8 Bf8 30. Rc1 Bxd6 31. Rxc2 Bc5 32. a4 Nd7 33. a5 1-0