noun, noun or participle which takes 'suru'
In shogi, the move that threatens the opponent's king. Also used figuratively for a decisive move or final push toward victory.
彼は王手をかけて、次の一手で勝負を決めた。
He put the king in check and decided the game with his next move.
プロジェクトは最終段階で王手をかけた。
The project made a decisive push in its final stage.