Similar to Bughouse chess, but for two players. Captured pieces are dropped back on to the board.
Crazy House rules are the same as Standard Chess but with the addition of piece drops, which become available after a capture is made.
This variant is played from the standard starting position of Standard Chess.
Pieces move as in Standard Chess, but captured pieces can also be dropped on to the board from a pocket where captuered pieces are retained.
As a piece is captured it flips color before being kept in a pocked for a drop on a subsequent move.
Captured promoted Pawns are added to the pockets as Pawns , not the promoted piece.
Captured pieces can be dropped on to the board instead of making a regular move.
Dropping a piece that would give checkmate immediately is permitted, as is dropping a piece to block what would otherwise be checkmate.
Pawns cannot be dropped on the 1st or 8th rank.
Dropped pawns on the 2nd and 7th ranks can make a double movement on their next move.
A dropped rook cannot castle.
En passant rules remains the same as Standard Chess.
A piece drops can give checkmate, as shown below.
Stalemate conditions remain the same as Standard Chess.
Draw conditions remain the same as Standard Chess.
Winning conditions remain the same as Standard Chess.