[Event "Chigorin Memorial-04"]
[Site "Sochi"]
[Date "1964.??.??"]
[Round "11"]
[White "Gheorghiu, Florin"]
[Black "Spassky, Boris Vasilievich"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. e3 d5 5. Nc3 Nc6 6. a3 cxd4 7. exd4 Be7 8. Bd3 dxc4 9. Bxc4 O-O 10. O-O a6 11. Ba2 b5 12. Bg5 Bb7 13. Qd3 Rc8 14. Rfd1 Na5 15. Ne5 Nd7 16. Bxe7 Qxe7 17. Nxd7 Qxd7 18. d5 Nc4 19. Qh3 Rfd8 20. Bxc4 bxc4 21. dxe6 Qxe6 22. Qxe6 fxe6 23. Rxd8+ Rxd8 24. Rd1 Bd5 25. f4 Kf7 26. Kf2 Ke7 27. g4 Rb8 28. Rd2 h5 1/2-1/2