[Event "Olympiad-17 Preliminaries B"]
[Site "Havana"]
[Date "1966.10.28"]
[Round "3"]
[White "Onat, Ilhan"]
[Black "Palmason, Gudmundur"]
[Result "1-0"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7 4. e4 d6 5. Bc4 c6 6. Bb3 O-O 7. O-O Ne8 8. c3 Nc7 9. Re1 Nd7 10. Nf1 h6 11. Be3 b6 12. Qd2 Kh7 13. Rad1 Nf6 14. Ng3 Bg4 15. Qe2 d5 16. exd5 cxd5 17. h3 Bxf3 18. Qxf3 e6 19. Bf4 Nce8 20. Bc2 Qd7 21. h4 Kg8 22. h5 g5 23. Be5 Nh7 24. c4 Nef6 25. c5 Rfc8 26. b4 Ne8 27. Qd3 Nf8 28. Bxg7 Kxg7 29. f4 gxf4 30. Ne2 Nf6 31. Nxf4 N8h7 32. Qe3 Ng5 33. Rf1 Qd8 34. Qe5 Rc7 35. Rd2 Rac8 36. Rdf2 Kg8 37. Nxe6 Nxe6 38. Rxf6 Ng7 39. Qf4 Qe8 40. Qxh6 1-0