[Event "Interzonal-06"]
[Site "Amsterdam"]
[Date "1964.05.20"]
[Round "1"]
[White "Larsen, Bent"]
[Black "Pachman, Ludek"]
[Result "1-0"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nf6 5. c3 Nc6 6. Bd3 Bg4 7. Bf4 a6 8. Nbd2 e6 9. O-O Bd6 10. Bxd6 Qxd6 11. Qe1 Ne7 12. c4 dxc4 13. Nxc4 Qd8 14. Nfe5 Bf5 15. Qb4 O-O 16. Bxf5 Nxf5 17. Qxb7 Qxd4 18. Rac1 Qa7 19. Qxa7 Rxa7 20. Rfd1 Nd5 21. Na5 Nfe7 22. Kf1 g6 23. g3 Rc8 24. Rxc8+ Nxc8 25. Rc1 Nce7 26. a3 Kf8 27. b4 f6 28. Nd3 Kf7 29. Nc5 Ra8 30. Nc4 Nf5 31. Ne4 Ke7 32. Na5 Nd4 33. Nc6+ Nxc6 34. Rxc6 Kd7 35. Rxa6 Rxa6 36. Nc5+ Kc6 37. Nxa6 Kb5 38. Nc5 e5 39. Ke1 Nb6 40. Ke2 f5 41. Ne6 Ka4 42. Nf8 Kxa3 43. Nxh7 Kxb4 44. Nf8 Kc5 45. Nxg6 Kd6 46. Kd3 Ke6 47. Nh4 Nd7 48. Ng2 Nf6 49. Ke2 Ng4 50. h3 Nf6 51. f3 Kf7 52. g4 fxg4 53. fxg4 Ne4 54. Ke3 Nd6 55. Kf3 Kg6 56. h4 Kh6 57. Ne3 Kg6 58. Nf1 Nc4 59. Ng3 Nd2+ 60. Ke2 1-0