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.

If, during the course of the game, it be discovered that any error or illegality has been committed in the moves of the pieces, the moves must be retraced, and the necessary correction made, without penalty.

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 player is said to have the opposition when he can place his King directly in front of the adverse King, with only one square between them. This is often an important advantage in ending games.

The game of chess is the most fascinating and intellectual pastime which the wisdom of antiquity has bequeathed to us.

After white's reply to 1.e4 e5 with 2.f4 the game is in its last throes

The Chess-board must be placed with a white square at the right-hand corner.