[Event "Olympiad-18 Preliminaries A"]
[Site "Lugano"]
[Date "1968.10.21"]
[Round "4"]
[White "Lee, Peter N"]
[Black "Pereira, Renato"]
[Result "1-0"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. Be3 exd4 11. cxd4 Na5 12. Bc2 Nc4 13. Bc1 c5 14. b3 Na5 15. d5 Nd7 16. Nbd2 Bf6 17. Rb1 Re8 18. h3 Bxf3 19. Nxf3 Rc8 20. Bf4 Ne5 21. Nxe5 dxe5 22. Be3 Be7 23. Qd2 c4 24. Bd1 cxb3 25. axb3 b4 26. Qa2 Bc5 27. Bg4 Bxe3 28. Bxc8 Bxf2+ 29. Qxf2 Qxc8 30. Qb6 1-0