Translation guide
In shogi (Japanese chess), a bishop promotes to a "dragon horse" (竜馬), gaining the ability to move like a king as well. This guide covers how to refer to the promoted bishop piece and the act of promotion.
Referring to the shogi piece after a bishop has been promoted.
The standard name for the promoted bishop in shogi. Literally 'dragon horse'.
Describing the action of a bishop promoting in shogi.
The verb phrase meaning 'the bishop promotes'. Uses the intransitive verb 成る (to promote).
竜馬は角行が成った駒です。
The dragon horse is the piece that a bishop promotes to.
Literally 'promoted bishop'. Used descriptively, especially when contrasting with the unpromoted bishop.
A promoted bishop can move diagonally as well as vertically and horizontally.
The bishop promoted and became a dragon horse.
Transitive version, literally 'to promote the bishop'. Less common but grammatically possible.
Usually the intransitive 角が成る is more natural unless emphasizing the player's action.
He promoted his bishop to strengthen his attack.