Patent ID: 8172662

Claim:
A roulette gaming system comprising: a roulette gaming machine including an interface detachably connectable to an external memory; a roulette board having a plurality of ball receiving portions, each portion indicating different number information; a game section that determines a winning number based on number information of a ball receiving portion at which a roulette ball stops; at least one player terminal that receives a command from a player to place a bet on the game performed in the game section; a first controller that controls a predetermined amount of game value to be added to a winning player terminal based on a result of the game performed in the game section; and a storage section that stores the winning number and time information associated with the winning number as a winning history for each game performed by the game section, the winning history stored in the storage section written through the interface to the external memory, and a host computer configured to confirm whether or not a deviation from a theoretical value occurs in a specific ball receiving portion, the theoretical value being obtained by verifying a winning probability for each of the ball receiving portions during a predetermined time.