[Event "Interzonal-06"]
[Site "Amsterdam"]
[Date "1964.05.26"]
[Round "6"]
[White "Smyslov, Vassily V"]
[Black "Stein, Leonid"]
[Result "1/2-1/2"]

1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. a3 Nf6 6. d3 O-O 7. Rb1 a5 8. e3 e6 9. Nge2 d5 10. O-O Re8 11. Qc2 d4 12. Na4 Nd7 13. exd4 cxd4 14. b4 axb4 15. axb4 e5 16. b5 Ncb8 17. Bd2 e4 18. Nf4 exd3 19. Nxd3 Ne5 20. Nxe5 Rxe5 21. Bf4 Bf5 22. Qb3 Re2 23. Nc5 Bxb1 24. Qxb1 Nd7 25. Nxb7 Qe7 26. c5 Raa2 27. c6 Nb6 28. Qd3 Be5 29. Bf3 Reb2 30. Re1 f6 31. Bxe5 fxe5 32. Re2 Kg7 33. Rxb2 Rxb2 34. Kg2 1/2-1/2