[Event "Olympiad-13 Preliminaries A"]
[Site "Munich"]
[Date "1958.10.04"]
[Round "4"]
[White "Prieto Azuar, Francisco"]
[Black "Catozzi, Henry"]
[Result "1/2-1/2"]

1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. Nc3 Bb4 5. Bg5 Bb7 6. e3 h6 7. Bh4 c5 8. Bd3 O-O 9. Rc1 d6 10. O-O Bxc3 11. Rxc3 Nbd7 12. Bb1 Qc7 13. Nd2 e5 14. d5 g5 15. Bg3 Kg7 16. f4 exf4 17. exf4 g4 18. Re3 Rae8 19. Rfe1 Rxe3 20. Rxe3 Qd8 21. Qe2 h5 22. Bh4 Qb8 23. Qd3 Re8 24. Ne4 Nxe4 25. Rxe4 Rxe4 26. Qxe4 Nf8 27. Qf5 Qe8 28. Qf6+ Kg8 29. Qe7 Qxe7 30. Bxe7 Ng6 31. Bxd6 a6 32. g3 Kg7 33. Bc7 b5 34. b3 Nf8 35. Bf5 Kf6 36. Bc2 Ke7 37. Kf2 Bc8 38. f5 Nd7 39. Ke3 Nf6 40. Kf4 Nh7 41. Bd3 bxc4 42. bxc4 Kd7 43. Bb6 Kd6 44. Bf1 Bd7 45. h3 gxh3 46. Bxh3 f6 47. g4 Ng5 48. Bg2 hxg4 49. Kxg4 Ke5 50. Bc7+ Kd4 51. Bd8 Ke5 52. Bc7+ Kd4 1/2-1/2