[Event "Olympiad-23"]
[Site "Buenos Aires"]
[Date "1978.10.26"]
[Round "2"]
[White "Campos Lopez, Mario"]
[Black "Jakobsen, Ole"]
[Result "1/2-1/2"]
[WhiteElo "2355"]
[BlackElo "2400"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d6 5. e4 h6 6. Bh4 g5 7. Bg3 Nh5 8. c3 Nxg3 9. hxg3 e6 10. Bd3 Nd7 11. Qe2 Qe7 12. Nc4 b6 13. a4 a6 14. O-O Bb7 15. Rfe1 O-O 16. e5 Rfd8 17. Rad1 a5 18. exd6 cxd6 19. Ne3 Nf6 20. Nf5 Qf8 21. Nxg7 Qxg7 22. Nd2 Rab8 23. Bb5 g4 24. Nc4 Ba8 25. Ne3 h5 26. Bd3 Qg5 27. c4 d5 28. b3 Kg7 29. Qd2 Qh6 30. cxd5 Nxd5 31. Nc4 Qxd2 32. Rxd2 Rh8 33. Re5 1/2-1/2