Shogi is a Japanese board game related to chess, distinguished by its rule allowing captured pieces to be redeployed by the captor. That possibility makes defeat provisional and turns every exchange into a potential future threat. In poetry, shogi may represent unstable loyalty, reincarnation, or a mind that converts loss into resource. Its promoted pieces also invite metaphors of transformation, altered identity, and power gained through crossing a boundary.

Shogi is often called Japanese chess. Pieces move differently from chess, and captured pieces can be dropped back onto the board for the capturing player, making exchanges and defenses especially complex. The promoted zone changes many pieces’ abilities; related concepts include promotion, drops, and checkmate.