[Event "Interzonal-02"]
[Site "Saltsjobaden"]
[Date "1952.10.18"]
[Round "20"]
[White "Pachman, Ludek"]
[Black "Prins, Lodewijk"]
[Result "1/2-1/2"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. exd5 Nxd5 5. Ne4 Nd7 6. Nf3 N5f6 7. Nxf6+ Nxf6 8. Bd3 c5 9. dxc5 Bxc5 10. O-O O-O 11. Bg5 Be7 12. Qe2 Nd5 13. Bxe7 Qxe7 14. Qe4 Nf6 15. Qh4 h6 16. Rad1 b6 17. Ne5 Qc5 18. Rfe1 Bb7 19. Bc4 Rad8 20. Ng4 Qg5 21. Qxg5 hxg5 22. Nxf6+ gxf6 23. Be2 f5 24. Rxd8 Rxd8 25. Rd1 Rc8 26. c3 Bd5 27. a3 Kf8 28. Rd4 Ke7 29. g3 Kd6 30. Bf3 Ke5 31. Bxd5 exd5 32. f4+ gxf4 33. Rxf4 b5 34. Rb4 Rc5 35. Kf2 a5 36. Rh4 Rc8 37. Ke3 Rg8 38. Rh7 b4 39. axb4 axb4 40. cxb4 d4+ 41. Kd3 Rb8 42. Rxf7 Rxb4 43. Re7+ Kd5 44. Kc2 Rc4+ 45. Kd1 Rb4 46. Re2 Kc4 47. Rf2 Kd3 48. Rxf5 Rxb2 49. Rf3+ Ke4 50. Ra3 1/2-1/2