Assimilation Chess . Increase your material by assimilating your opponent's pieces. By Fergus Duniho. Assimilation Fusion Chess . A hybrid of Assimilation Chess and Fusion Chess.
Pieces combine and split apart.
By Fergus Duniho. Atomic chess . Pieces explode when taken. B BomberChess . A pawn may be exploded, removing pieces on all 8 adjacent squares.