[Event "Interzonal-06"]
[Site "Amsterdam"]
[Date "1964.06.07"]
[Round "14"]
[White "Perez Perez, Francisco Jose"]
[Black "Pachman, Ludek"]
[Result "0-1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5 Bxc3+ 6. bxc3 d6 7. Bg5 e5 8. Nd2 h6 9. Bh4 Nbd7 10. e3 Qe7 11. Bd3 O-O 12. f3 Re8 13. Qc2 Nf8 14. O-O g5 15. Bf2 Kg7 16. Rab1 b6 17. Ne4 Nxe4 18. Bxe4 Nd7 19. Bf5 Nf6 20. Bxc8 Raxc8 21. e4 Qd7 22. Rb5 Rb8 23. Rb2 Rb7 24. Be3 Reb8 25. Rfb1 Ne8 26. a4 a6 27. Ra1 b5 28. axb5 axb5 29. cxb5 Rxb5 30. Rba2 Nf6 31. Qc1 Ng8 32. g4 Qe7 33. h4 gxh4 34. g5 h5 35. Qe1 Qb7 36. Qxh4 Rb1+ 37. Bc1 Qb3 38. Qe1 h4 39. Kg2 Rxa1 40. Rxa1 Qc2+ 41. Kh3 Qd3 42. Kg4 h3 43. Ra7 h2 44. Qh4 Qf1 45. Qh5 Rf8 0-1