Any chess move in which one gives up a piece informally NYT crossword answer is:
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A chess move in which one gives up a piece is known as a sacrifice. Sacrificing a piece can be a strategic move to gain a better position on the board, or to gain a material advantage. Sacrifices are often used in endgame scenarios, where one player is willing to give up a piece in order to gain a checkmate. Sacrifices can also be used to gain a positional advantage, such as controlling a key square or opening up a line of attack.