[Event "Mar del Plata International-25"]
[Site "Mar del Plata"]
[Date "1962.03.29"]
[Round "6"]
[White "Penrose, Jonathan"]
[Black "Szabo, Laszlo"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 cxd4 5. cxd4 d5 6. exd5 Nf6 7. Bb5+ Nbd7 8. Nc3 O-O 9. O-O Nb6 10. Bf4 Nfxd5 11. Be5 Nxc3 12. bxc3 Be6 13. Re1 Rc8 14. Qd2 Bc4 15. Rab1 f6 16. Bg3 Qd5 17. Bxc4 Nxc4 18. Qe2 Rfe8 19. Nd2 Nxd2 20. Qxd2 Rc4 21. Qb2 b6 22. Qa3 Qd7 23. Rb4 Rxb4 24. Qxb4 Bf8 25. Qb3+ e6 26. h4 Kf7 27. Rd1 Rd8 28. a4 1/2-1/2