[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1946.01.05"]
[Round "1"]
[White "Koomen, Willem"]
[Black "Cortlever, Nicolaas"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 c6 5. Qb3 Bg7 6. Nf3 O-O 7. Bd2 e6 8. Bd3 b6 9. cxd5 exd5 10. O-O Be6 11. Qa3 Nbd7 12. Rac1 c5 13. dxc5 Nxc5 14. Be2 Nfe4 15. Rfd1 Qf6 16. Be1 Rfd8 17. b4 Nb7 18. Nxe4 dxe4 19. Bc3 Qe7 20. Rxd8+ Nxd8 21. Nd4 Bd5 22. Ba6 Ne6 23. Nxe6 Qxe6 24. Bxg7 Kxg7 25. Qc3+ Qf6 26. a3 Rd8 27. Qxf6+ Kxf6 28. Rd1 Ke5 29. f4+ exf3 30. gxf3 Rd6 31. e4 Bb3 32. f4+ Ke6 33. Rxd6+ Kxd6 34. Kf2 h6 35. Ke3 g5 36. e5+ Ke6 37. Bc8+ 1/2-1/2