22. Matches must consist, unless otherwise agreed, of an equal number of games. [The rules for regulating a match should be determined and stated in writing. An umpire should be appointed.]
23. During the progress of a game neither player is allowed to leave the room, except by permission of his opponent.
24. Pointing over the board, loud talk, or any other behaviour likely to annoy or confuse an adversary, if persisted in, forfeits the game.
25. No bystander is allowed to advise a player, or interfere with the progress of a game.
26. A breach of any of the above laws is punishable by the loss of the game, if in the opinion of the umpire such breach was intentional.
ADVICE TO YOUNG PLAYERS.
Play with better players than yourself. Observe the openings.
Look well over the board before making a move.
Never touch a man without moving it.
Leave off when your mind is fatigued, and never persist in playing when you stand but small chance of winning.