Did not discuss this with my colleague crypofrka yet but I am leaning towards allowing offenders to play but making tham pay some sort of disqualification fee, maybe in the same amount div 1 players pay. I am quite sure nobody would forgot to post answers if they had to pay 2.5mBTC for the privilege.
This is actually good but perhaps ask them to pay it upfront?
I mean you guys could treat it like deposit fee that is paid upfront though perhaps 2mbtc for division 2 and lower because thats where most problematic players play at. So anyone that does not gets disqualified until the end of the tournament will get their deposit fee back along with their prizes so this will perhaps encourage players to fill in answers every week