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.
I agree with Pioneer54, somewhat. There is currently an option similar to what he is saying: You can invite someone to two games, then check the "alternate colors" box, and it will create two independant games that will each count individually and run concurrently.
The problem is, the opponent can accept one of the two and leave the other one, possibly to his advantage.
What I would like to see (and very possibly what Pioneer54 was alluding to) is the option to create a two game set of independent games that MUST be accepted as a pair or not at all. ALso, this would make the pending invites section of the main page less cluttered, because currently each pair I invite someone to takes up two klines on the page.