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.
The one-square-gap dragon is a tactic where you check the king with a dragon leaving one square between them.
Standard kanji spelling for this shogi tactic.
Variant using the older form of 竜; marked as out-dated kanji usage.
Compound of 一間 (いっけん, 'one ken', a unit of distance) and 竜 (りゅう, 'dragon', the promoted rook in shogi). The term describes the one-square gap between the dragon and the enemy king.