[Event "IBM"]
[Site "Amsterdam"]
[Date "1965.??.??"]
[Round "5"]
[White "Langeweg, Kick"]
[Black "Trifunovic, Petar"]
[Result "0-1"]

1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. O-O Be7 8. dxc5 Bxc5 9. Nbd2 O-O 10. Nb3 Bb6 11. Nbd4 Re8 12. Re1 Ng4 13. Bg5 Qd6 14. h3 Nxf2 15. Kxf2 Nxd4 0-1