The Bishop moves diagonally forwards or backwards, to the extent of the Board.

When neither party can give checkmate, the game is drawn

The Queen is by much the most powerful of the forces.

For playing a man to a square to which it cannot be legally moved, the adversary, at his option, may require him to move the man legally, or to move the King.

A 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.

The Bishop and Knight, in contradistinction to the Queen and Rook, are called Minor Pieces.

In Castling, the King must be moved first, or before the Rook is quitted. If the Rook be quitted before the King is touched, the opposing player may demand that the move of the Rook shall stand without the Castling being completed.