[Event "Olympiad-17 Final A"]
[Site "Havana"]
[Date "1966.11.04"]
[Round "1"]
[White "Portisch, Lajos"]
[Black "Johannessen, Svein"]
[Result "1-0"]
1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 b4 9. Ne4 Bb7 10. Nxf6+ Nxf6 11. Qa4 Be7 12. Bd2 a5 13. e4 O-O 14. e5 Nd7 15. Qc2 h6 16. h4 c5 17. Rh3 Bxf3 18. Bxh6 Bxh4 19. gxf3 gxh6 20. Ke2 Nxe5 21. dxe5 Qd4 22. Rxh4 Qxh4 23. Rg1+ Kh8 24. Qc1 f6 25. Rg6 1-0