minor piece

A few moves later, queens and minor pieces were traded off the board in a flurry, dulling whatever little edge was present in the game.

“Winning the exchange” signifies capturing a rook in exchange for a minor piece.

Mention has been made in this chapter of a first section in a minor piece of Scarlatti's ending in the major key of the dominant.

Second: I am, after all, a very minor piece and the game is a great one.