[Event "IBM"]
[Site "Amsterdam"]
[Date "1965.??.??"]
[Round "7"]
[White "Filip, Miroslav"]
[Black "Langeweg, Kick"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Be2 Bg7 7. Nf3 O-O 8. O-O Ne8 9. Ne1 f5 10. exf5 gxf5 11. Nd3 Nd7 12. f4 e4 13. Nf2 Bxc3 14. bxc3 Ndf6 15. Be3 Kh8 16. Kh1 Rg8 17. Qd2 b6 18. Nd1 Rb8 19. Bf2 Ng4 20. Bxg4 Rxg4 21. Ne3 Rg6 1/2-1/2