One Sudoku - one day, one sudoku

Best cities

1. Tilburg 3528
2. Utrecht 634
3. The Hague 11
4. Amsterdam 7
5. Eindhoven 3
6. Rotterdam 0

Best players

1. navione 1281
2. elly 872
3. aafke 441
4. jochemlaurenz 418
5. rewd 226
6. ducrud 221
7. yiu 0
8. fu22bu22 0
9. annelies 0
10. nl'_chick 0
11. xkusje_suus 0
12. engeldinck -11
13. ireth -11
14. blikveld.net -11
15. spades -11
16. maff^ -11
17. roberto -11
18. tweaking_deejay -11
19. pderee -11
20. kaatje0415 -11
21. kaatje -11
22. gwsanita -11
23. suus -11
24. bredep -11
25. websoul -11
26. zipobibrok5-108 -11