[Event "Interzonal-02"]
[Site "Saltsjobaden"]
[Date "1952.10.20"]
[Round "21"]
[White "Unzicker, Wolfgang"]
[Black "Pachman, Ludek"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Be3 Be6 10. Bf3 Na5 11. Nxa5 Qxa5 12. Qd2 Rfc8 13. Rfd1 Qb4 14. Rab1 a6 15. a3 Qc4 16. Bg5 Rd8 17. b3 Qc7 18. a4 Rac8 19. Bxf6 Bxf6 20. Nd5 Qxc2 21. Nxf6+ gxf6 22. Qh6 Qc7 23. Qxf6 Rd7 24. Bg4 Qd8 25. Qf3 Qg5 26. Bxe6 fxe6 27. Qh3 Qe7 28. Rd3 Kh8 29. Rbd1 Rcd8 30. Qh5 Qf6 31. h3 Qg6 32. Qh4 Rg8 33. Rg3 Qf7 34. Rxg8+ Kxg8 35. Rd3 Kh8 36. Qh6 Qe7 37. Rf3 Rd8 38. Rf6 Re8 39. f4 exf4 40. Qxf4 Kg8 1/2-1/2