[Event "Interzonal-06"]
[Site "Amsterdam"]
[Date "1964.05.25"]
[Round "5"]
[White "Stein, Leonid"]
[Black "Spassky, Boris Vasilievich"]
[Result "1/2-1/2"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 10. d4 Re8 11. Nbd2 Bf8 12. Nf1 Bb7 13. Ng3 Na5 14. Bc2 Nc4 15. a4 d5 16. exd5 exd4 17. Rxe8 Qxe8 18. Qxd4 Bxd5 19. Nh5 Nxh5 20. Qxd5 Nf6 21. Qd1 Rd8 22. Qe1 Qxe1+ 23. Nxe1 Nd5 24. axb5 axb5 25. Bd3 Nd6 26. Kf1 Be7 27. Be2 Bf6 28. Ra5 c6 29. Ra6 b4 30. c4 Ne7 31. b3 Ne4 32. Nd3 Bc3 33. Bf3 Ng5 1/2-1/2