[Event "Olympiad-22"]
[Site "Haifa"]
[Date "1976.11.09"]
[Round "13(1)"]
[White "Ostos, Julio Eduardo"]
[Black "Ogaard, Leif"]
[Result "1/2-1/2"]
[WhiteElo "2255"]
[BlackElo "2490"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. g3 d6 7. Bg2 Bd7 8. O-O Nf6 9. a4 Rb8 10. Nxc6 Bxc6 11. a5 Be7 12. Be3 O-O 13. Re1 Nd7 14. f4 Qc7 15. Na4 Qxa5 16. Nb6 Qb5 17. Bf1 Qb4 18. Nc4 Ba4 19. Qc1 d5 20. exd5 exd5 21. b3 Bxb3 22. c3 Qb5 23. Ne5 Bc4 24. Rb1 Qa4 25. Ra1 Qb5 26. Rb1 Qa4 27. Ra1 Qb5 1/2-1/2