[Event "Interzonal-06"]
[Site "Amsterdam"]
[Date "1964.06.07"]
[Round "14"]
[White "Bilek, Istvan"]
[Black "Stein, Leonid"]
[Result "1/2-1/2"]

1. d4 c5 2. d5 d6 3. c4 Nf6 4. Nc3 g6 5. e4 Bg7 6. Bd3 O-O 7. Nge2 e6 8. O-O exd5 9. cxd5 a6 10. a4 Qc7 11. Ng3 Nbd7 12. Qe2 Re8 13. f4 c4 14. Bxc4 Nc5 15. e5 dxe5 16. f5 e4 17. Bg5 Qe5 18. Bf4 Qe7 19. d6 Qd8 20. Bxf7+ Kxf7 21. Qc4+ Ne6 22. fxe6+ Bxe6 23. Qd4 Rc8 24. Be5 Rc4 25. Qa7 Kg8 26. Qxb7 Bc8 27. Qb3 Be6 28. Qb7 Bc8 29. Qb3 Be6 30. Qb7 1/2-1/2