[Event "Interzonal-06"]
[Site "Amsterdam"]
[Date "1964.06.08"]
[Round "15"]
[White "Stein, Leonid"]
[Black "Lengyel, Levente"]
[Result "1-0"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3
Na5 10. Bc2 c5 11. d4 Nd7 12. Nbd2 cxd4 13. cxd4 Nc6 14. Nb3 a5 15. Bd3 Rb8 16. Qe2 Ba6
17. Be3 a4 18. Nbd2 exd4 19. Nxd4 Nxd4 20. Bxd4 Ne5 21. Rad1 Bf6 22. Bb1 Ra8 23. Qe3 Re8
24. Nf3 Qe7 25. b3 Bb7 26. Nh2 axb3 27. axb3 Rac8 28. Nf1 Bc6 29. Qe2 Qb7 30. Qd2 Rcd8 31.
Qb2 Bg5 32. Ng3 g6 33. Nf1 Nd7 34. f3 Bf4 35. Ne3 h5 36. Qf2 Be5 37. b4 Nf6 38. Ba2 Qe7
39. Rd2 Ra8 40. Red1 Ra3 41. Bxe5 dxe5 42. Rd6 Ba8 43. Kh2 Kg7 44. Qd2 Kh7 45. Rb6 Bxe4
46. fxe4 Nxe4 47. Qd5 Ng5 48. Rb7 Qxb4 49. Rxf7+ Kh6 50. Nc2 1-0