[Event "Interzonal-06"]
[Site "Amsterdam"]
[Date "1964.05.25"]
[Round "5"]
[White "Ivkov, Borislav"]
[Black "Berger, Bela"]
[Result "1-0"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 e6 7. Bd3 c5 8. O-O cxd4 9. Nxd4 Be7 10. b3 O-O 11. c4 Qc7 12. Bb2 Rd8 13. Qe2 Nf8 14. Ne4 Bd7 15. Rac1 Ng6 16. g3 e5 17. Nb5 Qb8 18. Rfd1 Nxe4 19. Bxe4 f5 20. Rxd7 fxe4 21. Rxd8+ Qxd8 22. Rd1 Qb6 23. Nc3 Bc5 24. Nxe4 Bd4 25. c5 Qe6 26. Ng5 Qd5 27. Bxd4 exd4 28. Qe6+ Qxe6 29. Nxe6 1-0