[Event "Olympiad-17 Preliminaries A"]
[Site "Havana"]
[Date "1966.10.26"]
[Round "1"]
[White "Nilsson, Zandor"]
[Black "Spassky, Boris Vasilievich"]
[Result "1/2-1/2"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nb8 10. d4 Nbd7 11. c4 Bb7 12. Nc3 c6 13. c5 exd4 14. cxd6 Bxd6 15. Qxd4 Bc7 16. Bg5 c5 17. Qe3 c4 18. Bc2 Re8 19. Rad1 Qb8 20. Qc1 b4 21. Nd5 Bxd5 22. exd5 Qb5 23. Rxe8+ Rxe8 24. d6 Bb6 25. Bh4 Qc6 26. Bd3 Rc8 27. Bf5 Re8 28. Bd3 Rc8 29. Bf5 Re8 30. Bd3 1/2-1/2