大だい将しょう棋ぎ

noun

dai shogi; large shogi variant

A historical large-board shogi variant played on a 15×15 board. Not commonly played today; mainly encountered in historical or game-study contexts.

• 大だい将しょう棋ぎは十じゅう五ご掛かける十じゅう五ごの盤ばんで遊あそぶ将しょう棋ぎの一いっ種しゅです。

  Dai shogi is a kind of shogi played on a fifteen-by-fifteen board.

• 彼かれは古ふるい将しょう棋ぎのルールを研けん究きゅうしていて、大だい将しょう棋ぎにも詳くわしい。

  He studies old shogi rules and is knowledgeable about dai shogi as well.