[Event "Interzonal-06"]
[Site "Amsterdam"]
[Date "1964.05.21"]
[Round "2"]
[White "Smyslov, Vassily V"]
[Black "Darga, Klaus"]
[Result "1-0"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Bg4 4. c4 c6 5. cxd5 cxd5 6. Ne5 Bc8 7. O-O e6 8. Nc3 Be7 9. d4
O-O 10. Bf4 Bd7 11. Qb3 Qb6 12. Qxb6 axb6 13. Nxd7 Nbxd7 14. Rfc1 Rfc8 15. a3 Rc6 16. Bd2
Rd8 17. e3 Ne8 18. e4 dxe4 19. Bxe4 Rc4 20. Nb5 Rxc1+ 21. Rxc1 Nc5 22. dxc5 Rxd2 23. cxb6
Rxb2 24. a4 Kf8 25. Rc8 1-0