一いっ間けん竜りゅう

noun

one-square-gap dragon; tactic of checking with a dragon one square away

A shogi tactic where a promoted rook (dragon) checks the enemy king from a distance of one square horizontally, often restricting the king's escape.

• 一いっ間けん竜りゅうは、竜りゅうと玉ぎょくの間あいだに一いちマス空あけて王おう手てをかける手て筋すじだ。

  The one-square-gap dragon is a tactic where you check the king with a dragon leaving one square between them.