[Event "Olympiad-10 Final B"]
[Site "Helsinki"]
[Date "1952.08.30"]
[Round "9"]
[White "Cortlever, Nicolaas"]
[Black "Sliwa, Bogdan Stanislaw"]
[Result "1/2-1/2"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. O-O O-O 10. Bg5 c6 11. Qf3 Be7 12. Rae1 Re8 13. h3 h6 14. Bc1 Be6 15. Ne2 c5 16. Nf4 Bd6 17. Nxe6 Rxe6 18. c4 Rxe1 19. Rxe1 Qa5 20. Kf1 Qxa2 21. cxd5 Rb8 22. Bxh6 c4 23. Bxg7 Kxg7 24. Qf5 cxd3 25. Qg5+ Kh7 26. Qf5+ 1/2-1/2