[Event "IBM"]
[Site "Amsterdam"]
[Date "1962.08.18"]
[Round "5"]
[White "Kool, Gerard J"]
[Black "Hartoch, Robert G"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. Be3 Be7 6. f3 c6 7. Qd2 O-O 8. O-O-O a6 9. d5 cxd5 10. Nxd5 Nxd5 11. cxd5 b5 12. Bd3 Nc5 13. Bc2 Bd7 14. Ne2 Rc8 15. Kb1 a5 16. Ng3 b4 17. Nf5 1/2-1/2