[Event "Olympiad-18 Preliminaries A"]
[Site "Lugano"]
[Date "1968.10.18"]
[Round "1"]
[White "Naranja, Renato"]
[Black "Pereira, Renato"]
[Result "1-0"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. e4 c6 7. Nge2 Nbd7 8. O-O e5 9. d5 cxd5 10. cxd5 a5 11. Nb5 Nc5 12. Nec3 Ne8 13. Be3 b6 14. a3 Ba6 15. b4 Nd7 16. Re1 Nc7 17. Nxd6 Qf6 18. b5 Qxd6 19. bxa6 Rxa6 20. Qe2 Raa8 21. Rec1 Rac8 22. Na4 Na8 23. Qb5 Rxc1+ 24. Rxc1 Nb8 25. Nxb6 Nxb6 26. Bc5 1-0