[Event "Olympiad-20 Preliminaries B"]
[Site "Skopje"]
[Date "1972.09.19"]
[Round "1"]
[White "Nobrega, Adaucto Wanderley"]
[Black "Vasquez, Julio E"]
[Result "1-0"]

1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 e6 5. O-O Bg7 6. c3 Nge7 7. d4 cxd4 8. cxd4 d5 9. exd5 Nxd5 10. Nbc3 O-O 11. Nxd5 exd5 12. Be3 Bg4 13. Re1 Qd7 14. Rc1 Rac8 15. Rc5 Ne7 16. Qb3 Rxc5 17. dxc5 d4 18. Bd2 Nc6 19. Nf4 g5 20. Nd3 Be6 21. Qa4 Bd5 22. Nb4 Bxg2 23. Kxg2 h6 24. Nxc6 bxc6 25. Qc4 Rd8 26. b4 Qb7 27. a4 a6 28. Re4 Bf6 29. h4 Kg7 30. Qd3 Qc8 31. Re1 gxh4 32. Qf3 h3+ 33. Kh2 Rd5 34. Bxh6+ Kg6 35. Re4 Rf5 36. Qg4+ Kxh6 37. Rf4 Rxf4 38. Qxc8 Rxf2+ 39. Kxh3 Kg7 40. Qxc6 d3 41. Qd6 d2 42. c6 Re2 43. c7 Re8 44. Qxd2 Rc8 45. Qd7 1-0