[Event "Olympiad-23"]
[Site "Buenos Aires"]
[Date "1978.11.08"]
[Round "13"]
[White "Ermenkov, Evgenij"]
[Black "Jakobsen, Ole"]
[Result "1/2-1/2"]
[WhiteElo "2520"]
[BlackElo "2400"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Nc6 7. Be3 Be7 8. O-O a6 9. f4 O-O 10. Qe1 Nxd4 11. Bxd4 b5 12. Bf3 Bb7 13. Rd1 Ne8 14. e5 Bxf3 15. Rxf3 d5 16. g4 Rc8 17. f5 Bh4 18. Bf2 Bxf2+ 19. Qxf2 Qg5 20. Kh1 Rc6 21. fxe6 Rxe6 22. Rf5 Qxg4 23. Rd4 Qg6 24. Nxd5 f6 25. Rdf4 1/2-1/2