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Rh be referred to any acknowledged authority on the game. The decision, in either case, must be final and accepted by both players.

XX. Bystanders or umpires are not allowed to interfere in a game of Chess or with the players, except under the following conditions:— (a) When appealed to to settle a question of fact. (b) When a Piece or Pawn has been omitted or misplaced in setting up the Board. (c) When a false or illegal move has been made, but only after another move has been made to allow the players time to discover the error.

XXI. If a bystander interferes in a game, or gives advice to either player as to his move, or cautions or encourages him in any way by voice or gesture, the game must be annulled.

XXII. If a player waives his right to impose a penalty or agrees to depart from the rules of the game, he cannot demand a