劫こう立だて

noun

ko threat

A move in the game of Go played elsewhere on the board to create a threat, forcing the opponent to respond so that the player can recapture the ko.

See also: コウ材 · 劫

• 劫こう立だてを打うってから、もう一いち度どコウを取とり返かえした。

  After playing a ko threat, I recaptured the ko.

• この局きょく面めんでは有ゆう効こうな劫こう立だてが少すくない。

  In this position, there are few effective ko threats.