Backgammon: bets

In backgammon exists a third dice to double the bets (2-4-8-16-32-64).

Before beginning the game you put the point. During the game, in your turn and before you roll the dices, you can double the point. If your rival rejects it loses the game and the game finishes, if it accepts the bet bends and the game continuous.

The option to redouble the bet again during the game only can exert by the player who has accepted the previous dub. The maximum limit to double is 64.