In chess, the rook is a "major piece" valued at , making it second in power only to the queen.

: In this world, a "Rook" is a high-level administrator within The Checquy , a secret British agency that polices supernatural threats.

: The protagonist must rebuild her life using letters left behind by her "former self" while hunting for a mole inside her organization. 3. Television: The Starz Miniseries

: It is the only piece that can perform castling with the king, a move used to protect the king and activate the rook simultaneously.

: It moves in straight lines—horizontally or vertically—across any number of unoccupied squares.