[Event "Europe-Echecs-03 Le Havre GM"]
[Site "Le Havre"]
[Date "1966.04.02"]
[Round "1"]
[White "Larsen, Bent"]
[Black "Roos, Michel"]
[Result "1-0"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 d6 5. d4 O-O 6. O-O Nc6 7. Nc3 a6 8. d5 Na5 9. Nd2 c5 10. Qc2 Rb8 11. b3 b5 12. Rb1 Bd7 13. cxb5 axb5 14. Bb2 b4 15. Nd1 Bb5 16. Re1 Qb6 17. Ne3 Qa6 18. Ne4 Bd7 19. Nxf6+ Bxf6 20. Bxf6 exf6 21. Qb2 Kg7 22. h4 Qc8 23. a4 bxa3 24. Qxa3 Qc7 25. g4 Rb4 26. g5 fxg5 27. hxg5 Rfb8 28. Qa1+ Kg8 29. Qf6 Nxb3 30. Rb2 Nd4 31. Rxb4 Rxb4 32. Qe7 Rb7 33. Nc4 Nf5 34. Qf6 Bb5 35. e4 Bxc4 36. exf5 Bb5 37. fxg6 fxg6 38. Bh3 h6 39. Qxg6+ Kh8 40. Re6 Qg7 41. Qxh6+ Qxh6 42. Rxh6+ Rh7 43. Rxh7+ Kxh7 44. Bf5+ Kg7 45. f4 Kf7 46. Kf2 Ke7 47. Ke3 Bc4 48. Be4 Ba2 49. f5 1-0