[Event "Interzonal-06"]
[Site "Amsterdam"]
[Date "1964.06.16"]
[Round "20"]
[White "Berger, Bela"]
[Black "Perez Perez, Francisco Jose"]
[Result "0-1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. c4 Nc6 8. O-O Nge7 9. Nc3 Ne5 10. Kh1 Qc7 11. Qe2 O-O 12. f4 Nxd3 13. Qxd3 f5 14. Bd2 b6 15. Nd4 Bb7 16. Rac1 Rac8 17. b3 b5 18. cxb5 Qd6 19. Be3 fxe4 20. Qd1 Bxd4 21. Qxd4 Qxd4 22. Bxd4 Nf5 23. Rfd1 axb5 24. Nxb5 Rxc1 25. Rxc1 Bc6 26. g4 e3+ 27. Kg1 Nh4 0-1