| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of quickly finding out the fraudulence such as fraudulently setting a grade of a game value giving rate within business hours and inhibiting the fraudulence without complicating a control program. SOLUTION: The time clocking is started by a time clocking means when the grade of the game value giving rate calculated based on a prescribed probability according to the operation of a prescribed setting change operation means is set by a giving rate changing means for setting the grade according to the operation of the setting change operation means. If the time clocked by the time clocking means from the start of clocking till the setting of the grade of the giving rate by the giving rate setting means is executed a p (p is a natural number) number of times is within a prescribed period of time, it is determined that the setting is abnormal, and an outward announcing process is executed to announce that the setting change operation means may have been fraudulently operated to the outside of the game machine. COPYRIGHT: (C)2006,JPO&NCIPI
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