[Event "Hoogovens 27th"]
[Site "Beverwijk"]
[Date "1965.01.16"]
[Round "9"]
[White "Van den Berg, Carel"]
[Black "Portisch, Lajos"]
[Result "0-1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be3 Nf6 7. Bd3 Be7 8. f4 d6 9. Qf3 e5 10. Nxc6 bxc6 11. fxe5 dxe5 12. Bc4 Bg4 13. Qg3 Qb8 14. O-O O-O 15. Bg5 Qxb2 16. Bb3 h5 17. h3 Be6 18. Bxe6 fxe6 19. Qxe5 Rf7 20. Rad1 Raf8 21. Bc1 Qb6+ 22. Kh1 Ng4 23. Qxe6 Nf2+ 24. Rxf2 Qxf2 25. Qxc6 Qxc2 26. e5 Rf1+ 27. Rxf1 Rxf1+ 28. Kh2 Qxc1 0-1