To 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 StauntonA Rook is of the value of five Pawns and a fraction, and may be exchanged for a minor Piece and two Pawns. Two Rooks may be exchanged for three minor Pieces.
Howard Staunton