Rules:

1. Each move must be made with one hand only.
2.Illegal: If a player deliberately touches a rook and then their king, they are not allowed to castle on that side on that move, and the situation shall be considered illegal.
3. Promotion: When a player promotes a pawn, the choice of the piece is finalized when the pawn reaches the square of promotion.
4. Irregularities: If during a game it is found that the initial position of the pieces was incorrect, the game shall be cancelled, and a new game played.
5. The conduct of the players: Without the permission of the arbiter, a player is forbidden to have a mobile phone or other electronic means of communication in the playing venue, unless they are completely switched off. If any such device produces a sound, the player shall lose the game, and the opponent shall win.