An electromechanical gaming machine constructed to operate an anti-sandbagging system in a hybrid game having an entertainment game and a gambling game. One embodiment includes an entertainment controller, a game world controller, a real world controller and an anti-sandbagging module. The entertainment controller generates an entertainment game; the real world controller, determines a wager outcome, and the game world controller instructs the real world controller to execute the wager, and the anti-sandbagging module that receives player performance information, establishes a base skill level; establishes a skill change parameter; and update the base skill level if the difference between the player skill level and the base skill falls within the skill change parameter.
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