Bughouse??????????
Bughouse?

Google it. Don't have time to explain the rules right now :(.
Basically, there are two boards . There are two players on a team, one white, one black. Whenever one of them captures a piece, he passes it to his partner and the said partner can put it anywhere he wants on his board.

For one, if you want to play a 5 0 bughouse game and ONE person is afk/trolling/bad, it ruins it for the other 3 people so...
also it's not complicated at all, but to have it played online would be.
Some people don't like the name bughouse chess (don't know why) so call it something like crazy doubles.
While we're at it there's a three way chess set.
Hard to explain so just google it. It's awfully rare.
Also, another way to make crazy doubles (bughouse) fast is to have a rule where players must move within 10 secs or they will lose a pawn. If there aren't any pawns take knight. No Knights take a bishop etc (except for king).

Some people don't like the name bughouse chess (don't know why) so call it something like crazy doubles.
It's commonly called Siamese chess.

Also, another way to make crazy doubles (bughouse) fast is to have a rule where players must move within 10 secs or they will lose a pawn. If there aren't any pawns take knight. No Knights take a bishop etc (except for king).
Removing a pawn from the board may help your opponent.
Why doesn't chess.com introduce Bughouse Vote Chess?