[Event "Interzonal-02"]
[Site "Saltsjobaden"]
[Date "1952.10.08"]
[Round "15"]
[White "Prins, Lodewijk"]
[Black "Unzicker, Wolfgang"]
[Result "0-1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. O-O Be7 8. Be3 O-O 9. Bb3 Bd7 10. f4 Nxd4 11. Bxd4 Bc6 12. Qe2 b5 13. Nxb5 Bxb5 14. Qxb5 Nxe4 15. f5 e5 16. Be3 Nf6 17. Qe2 a5 18. a4 d5 19. Rad1 d4 20. Bf2 Qc7 21. g4 h6 22. Rfe1 Rad8 23. Qxe5 Bd6 24. Qe2 Bxh2+ 25. Kg2 d3 26. Rxd3 Rxd3 27. Qxd3 Nxg4 28. Bh4 Be5 29. Bg3 Re8 30. f6 Nxf6 31. Qb5 Nd7 32. Rd1 Re7 33. Rxd7 Rxd7 34. Qxe5 Rd2+ 35. Kf3 Qc6+ 36. Qe4 Qf6+ 37. Ke3 Rd8 38. Ke2 Qg5 39. Qe3 Qg4+ 40. Kf2 Qd1 41. Kg2 Rd2+ 42. Bf2 Qg4+ 43. Qg3 Qd7 44. Qf4 g5 45. Qe4 Kg7 46. Qf3 f5 47. Kf1 Kg6 48. Ke1 g4 49. Qf4 Rd1+ 50. Ke2 Rb1 51. Bd4 Qe7+ 52. Qe5 Qxe5+ 53. Bxe5 Kg5 54. Bc7 f4 55. Bd8+ Kf5 56. Bxa5 Rh1 57. Bc7 Ke4 58. a5 g3 59. a6 f3+ 60. Kd2 f2 61. a7 Ra1 62. Ba4 Rxa4 63. Ke2 f1=Q+ 64. Kxf1 Kf3 65. Ke1 Rxa7 66. Bb6 Rb7 67. Bd4 Re7+ 0-1