敗はい着ちゃく

noun

losing move; game-losing move

Used in go and shogi for a move that directly causes defeat. Often contrasted with 勝着 (winning move).

See also: 勝着

• 終しゅう盤ばんで痛つう恨こんの敗はい着ちゃくを打うってしまった。

  I made a painful losing move in the endgame.

• あの一いっ手てが敗はい着ちゃくだったと後あとで気きづいた。

  I later realized that move was the one that cost me the game.