Chessy is a Bughouse Chess Software

Features:

* Play online with up to 256 players at once
* KI Chess Engine
* Adjustable teams and time
* Languages English and German
* Many different modes and variation possibilities, for example:
Bughouse with serveral Options (Pawn promotion? Where to pass pieces? Checkmate by placing a piece?)
Four players at one board (Quad)
Roleplay chess (Pieces get life, attack and defence)
Darkchess (Only accessible squares are visible)
Turquoisechess (No check, no mate)
Atomic chess (Pieces explode when capturing)
Cylindric Chess (Left and right border are connected)
Shuffle Chess (Pieces are placed randomly on the baseline)
Adjustable size of board
Optional if pieces will promote if the capture
You can modify the pieces range