[Event "IBM"]
[Site "Amsterdam"]
[Date "1973.??.??"]
[Round "9"]
[White "Kavalek, Lubomir"]
[Black "Langeweg, Kick"]
[Result "1-0"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. g3 Nf6 7. Bg2 Bd7 8. O-O Be7 9. b3 O-O 10. Bb2 a6 11. a4 Qc7 12. Re1 Rfd8 13. Re2 Nxd4 14. Qxd4 Bc6 15. a5 Bf8 16. Na4 Qxa5 17. Nb6 Qh5 18. Qd2 Rab8 19. Bxf6 gxf6 20. Ra5 Qh6 21. Re3 Kh8 22. Qe2 Be7 23. Rh5 Qg6 24. Nd5 Rd7 25. Nf4 Qg7 26. g4 1-0