Do you miss something on BrainKing.com and would you like to see it here? Post your request into this board! If there is a more specific board for the request, (i.e. game rule changes etc) then it should be posted and discussed on that specific board.
ughaibu: As a temporary solution you might exclude unrated members from accepting your invitation, so your opponents are going to have played at least a couple of games to the end.