RookChessmon is a minor hero in Digimon Data Squad. He has two gatling guns and on on his head. He is ultimate form of PawnChessmon (Black).
He resembles the rook chess piece of a chess game.
Digimon Data Squad
He first appears to fight Belphemon, and puts up a rather good fight, but his defensive technique Castle Wall is destroyed by Belphemon. Belphemon constricts RookChessmon with his chains, reducing him to his Rookie level. He next appears in battle against the Royal Knight Gallantmon, but is defeated easily.