| 摘要 |
PROBLEM TO BE SOLVED: To provide a dishonesty preventing device capable of coping with an illicit board attached from the outside by changeably setting a large winning value used for large winning judgment provided in a Pachinko game machine. SOLUTION: In a main control board 91 provided in this game machine 10, the large winning value is set based on the value of a random number A counter and an addition value extracted from a large winning random number setting table. By judging whether or not a random number value obtained based on the detection signal of an entering ball to a first kind start winning port 4 provided on the surface of a game panel 14 matches with the large winning value, the presence/absence of large winning generation is judged.
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