[Event "Amsterdam Wereldschaaktoernooi"]
[Site "Amsterdam"]
[Date "1950.11.23"]
[Round "10"]
[White "Kottnauer, Cenek"]
[Black "Donner, Jan Hein"]
[Result "0-1"]

1. c4 e6 2. Nc3 d5 3. d4 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. Qe2 a6 10. e4 c5 11. d5 c4 12. Bc2 exd5 13. e5 Ne4 14. O-O Ndc5 15. Rd1 Nxc3 16. bxc3 Qc7 17. Bf4 Ne6 18. Bg3 g6 19. Qe3 O-O-O 20. a4 b4 21. cxb4 Bxb4 22. Nd4 Bc5 23. Nxe6 fxe6 24. Qe2 Qc6 25. Qf1 d4 26. Rac1 d3 27. Bb3 cxb3 28. Rxc5 Qxc5 29. Rc1 Qc2 0-1