[Event "IBM"]
[Site "Amsterdam"]
[Date "1962.08.14"]
[Round "1"]
[White "Henneberke, Frans"]
[Black "Kool, Gerard J"]
[Result "1/2-1/2"]

1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. b3 O-O 7. Bb2 d5 8. Nbd2 Nbd7 9. Ne5 Nxe5 10. dxe5 Ne4 11. Nxe4 dxe4 12. Qc1 Bg5 13. e3 c5 14. c4 Qc7 15. Qd1 Be7 16. Qg4 Qc6 17. Rad1 Rad8 18. Bc3 a6 19. Rxd8 Rxd8 20. Rd1 Rxd1+ 21. Qxd1 Qc8 22. a3 Qd8 23. Qxd8+ Bxd8 24. h4 h5 1/2-1/2