As it turns out we still have some problems with the rosters:
The following IDs appear twice in the same roster but with different names:
KKA:
927368 Python
927368 ThrowUpTheX
1153810 Eddie
1153810 Alator
1218825 Rosen
1218825 Michal
2e:
1629672 Viesel
1629672 Drache
286286 Poison
286286 repee
The following IDs appear in two different rosters:
1364893 Zork 96y
1364893 Freddie KKA
953106 Muha (Ailean Robertson) 91st
953106 Muha KKA
9886 Vixtro (Alex Stewart) 91st
9886 Vixtro Nr12
427331 Dairus Nr12
427331 Darius KKA
492849 Rapez Nr12
492849 Rapez 15thYR
956322 Shizophrenic Nr12
956322 Schizo 2Lr