When a Piece or Pawn is in a situation to be taken by the enemy, it is said to be en prise. To put a piece en prise, is to play it so that it may be captured.
Howard StauntonFor touching an adversary's man, when it cannot be captured, the offender must move his King.
Howard StauntonTo play with correctness and skill the ends of games, is an important but a very rare accomplishment, expect among the magnates of the game.
Howard StauntonThe Bishop and Knight, in contradistinction to the Queen and Rook, are called Minor Pieces.
Howard Staunton