Brian Miller's

   Bughouse chess is a version of the classical game of chess. It is played by four people in two teams. Each team has two players. Two games of chess are played at the same time. If a player from one game captures a piece while following the regular rules of chess, they give that piece to their partner to use in the other game. The partner can put the piece on the board instead of making a normal move. Pawns cannot be placed in the first or last row but other pieces can be placed in any empty space.

If one player wins, that team wins the match.

The game is usually played with a clock, which is often set from as short as one minute onto five minutes or longer.  If a player runs out of time, that player's team loses.