checkmate

Definition

A position in chess where the king is under threat of capture and cannot escape, ending the game; also used figuratively to mean a decisive victory.

中文 国际象棋中国王受到威胁且无法逃脱的局面，结束游戏；也用于比喻决定性的胜利。

Example

"With one brilliant move, she delivered checkmate and won the championship."