[Event "Olympiad-17 Preliminaries A"]
[Site "Havana"]
[Date "1966.10.28"]
[Round "3"]
[White "Olivera, Juan Francisco"]
[Black "Campomanes, Florencio"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Nbd7 8. O-O Be7 9. Be3 Nb6 10. f3 Be6 11. Rf2 Qc7 12. Bf1 O-O 13. Rd2 Rfd8 14. Kh1 Rac8 15. Qe1 d5 16. Bxb6 Qxb6 17. exd5 Nxd5 18. Nxd5 Bxd5 19. Rad1 Qe6 20. c4 Bxc4 21. Nc5 Rxd2 22. Nxe6 Rxd1 23. Qxd1 Bxe6 24. h3 Bg5 25. Kh2 h5 26. Qd6 Bf6 27. b3 h4 28. Bc4 Bxc4 29. bxc4 Re8 30. Qd7 Re7 31. Qc8+ Kh7 32. Qf5+ Kh6 33. g4 hxg3+ 34. Kxg3 Re6 35. Qe4 Re7 36. h4 g6 37. a4 Rd7 38. c5 Kg7 39. Kg2 Rd2+ 40. Kh3 Rb2 41. Qe1 1/2-1/2