Capahouse is a custom variant combining the rules of Capablanca chess with the drop rules of Crazyhouse. The same rules apply to both games. As this is considered a derivative of Capablanca chess, please check the Capablanca rules in its separate guide. Crazyhouse rules are as below for a reminder.
Drops can be performed with captured pieces, which would be done in lieu of moving a piece on the board. Drops are annotated with @. So for example,R@e4 means rook drop at e4. The rules for dropping pieces are as follows:
All other rules are as in Capablanca chess.