[Event "Mar del Plata International-25"]
[Site "Mar del Plata"]
[Date "1962.03.23"]
[Round "2"]
[White "Penrose, Jonathan"]
[Black "Letelier Martner, Rene"]
[Result "1/2-1/2"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Bd6 7. O-O Ne7 8. dxc5 Bxc5 9. Nb3 Bb6 10. Be3 Bxe3 11. Bxc6+ bxc6 12. fxe3 O-O 13. Qd2 Qb6 14. Qc3 Rb8 15. Rab1 Ba6 16. Rf2 Qb4 17. Qxb4 Rxb4 18. Nc5 Bc8 19. Ne5 Rb5 20. b4 f6 21. Nf3 Rb6 22. c3 Rd8 23. Nd4 Rd6 24. h3 h6 25. a4 Bd7 26. Re1 Be8 27. e4 Bf7 28. e5 fxe5 29. Rxe5 Ng6 30. Ref5 Be8 31. h4 Rb8 32. h5 Ne7 33. Re5 1/2-1/2