[Event "Olympiad-23"]
[Site "Buenos Aires"]
[Date "1978.10.28"]
[Round "4"]
[White "Spassky, Boris Vasilievich"]
[Black "Hernandez Onna, Roman"]
[Result "1-0"]
[WhiteElo "2630"]
[BlackElo "2465"]

1. e4 c5 2. b3 Nc6 3. Bb2 e6 4. Nf3 Nf6 5. e5 Nd5 6. Bb5 Be7 7. O-O O-O 8. Bxc6 bxc6 9. d3
f6 10. Nc3 fxe5 11. Nxe5 Qe8 12. Ne4 d6 13. Nc4 Qd8 14. a3 e5 15. Qe1 Nf4 16. Ng3 h5 17.
Ne2 Nd5 18. b4 cxb4 19. axb4 Qe8 20. f3 Qg6 21. Kh1 h4 22. h3 Bd7 23. Bc1 Nb6 24. Nd2 d5
25. Nb3 Qh5 26. Nc5 Bxc5 27. bxc5 Nc8 28. Ra4 d4 29. c3 Bxh3 30. gxh3 Rxf3 31. Ng1 Rxf1
32. Qxf1 Ne7 33. Qe2 Qg6 34. cxd4 Nf5 35. Qa2+ Kh8 36. Qf2 Ng3+ 37. Kh2 Qxd3 38. dxe5 1-0