[Event "Olympiad-21 Final B"]
[Site "Nice"]
[Date "1974.06.29"]
[Round "14"]
[White "Johannessen, Svein"]
[Black "Mariotti, Sergio"]
[Result "0-1"]
1. Nf3 e6 2. g3 f5 3. Bg2 Nf6 4. O-O Be7 5. d3 O-O 6. Nbd2 d6 7. e4 fxe4 8. dxe4 e5 9. Nc4 Nbd7 10. Nh4 Nb6 11. Ne3 g6 12. b3 Nfd7 13. Nf3 Nc5 14. Nd5 Nxd5 15. exd5 a5 16. Be3 b6 17. Qe2 Ba6 18. c4 Bc8 19. Bh6 Re8 20. Qe3 Bf6 21. Ng5 Bf5 22. Ne4 Bxe4 23. Bxe4 Qd7 24. Bc2 b5 25. cxb5 Qxb5 26. a3 Nd7 27. Rab1 Nb6 28. a4 Qb4 29. Rfd1 Nd7 30. h4 Qg4 31. Bd3 Nc5 32. Bc4 Bg7 33. Kg2 Bxh6 34. Qxh6 Rf8 0-1