| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of monitoring winning probability into winning holes calculated from the number of shot game balls and the number of put-out winning balls with a configuration to suppress occurrence of an illegal act, at low cost.SOLUTION: In a game machine, an operation frequency of a ball shooting unit is stored in a shot number counter, and a winning ball number is stored in a winning ball counter. In winning monitoring processing, when a value of the shot number counter becomes 1,000 or above, the winning ball number stored in the winning ball number counter and a prescribed numerical value (2,400, 1,600, 1,200, 800) are compared, and when the winning ball number has become the prescribed numerical value or above, winning ball abnormality notification processing (S1212) is executed, so that the game machine can suggest, to the outside, that winning balls have extremely increased. Because the number of shot balls is detected from the operation frequency of the ball shooting unit 112a, the game machine can monitor winning probability without providing an external sensor to reduce cost, and has a structure preferable from the viewpoint of injustice prevention, too. |
