Be cautious of playing your Queen in front of your King and in subjecting yourself to a discovered check. It is better when check is given to your King to interpose a man that attacks the checking Piece than with one that does not.

It is the duty of the Umpire to determine all questions submitted to him according to these laws, when they apply, and according to his best judgment when they do not apply.

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.

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.

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.

After black's reply to 1.e4 with 1..e5, leaves him always trying to get into the game

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