[Event "IBM"]
[Site "Amsterdam"]
[Date "1965.??.??"]
[Round "3"]
[White "Filip, Miroslav"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Be7 5. cxd5 exd5 6. Bg5 c6 7. Qc2 g6 8. e3 Bf5 9. Bd3 Bxd3 10. Qxd3 Nbd7 11. O-O O-O 12. Nd2 Re8 13. Rfe1 Ne4 14. Bxe7 Qxe7 15. Rac1 f5 16. Nf1 Ndf6 17. Qc2 Rac8 18. f3 Ng5 19. Qf2 Nf7 20. Rcd1 Rf8 21. Ne2 b6 22. Nf4 Rfd8 23. h4 Kh8 24. Qg3 Re8 25. Qh3 Kg7 1/2-1/2