| 摘要 |
PROBLEM TO BE SOLVED: To enable operation data related to a big winning to be properly managed by distinguishing a normal big winning from a big winning without a ball discharge.SOLUTION: A management computer 100 for managing a big winning signal and an operation signal comprises: storage means for storing operation information; update means for updating the operation information stored in the storage means on the basis of the operation signal; first determination means; and second determination means. The first determination means determines the case when a ball discharge during a generation period of the big winning belongs to a predetermined first range is a big winning without a ball discharge, the case when a ball discharge during a generation period of the big winning belongs to a predetermined second range is a normal big winning, and the case when a ball discharge during a generation period of the big winning does not belong to any of the first and second ranges is an out-of-range big winning, respectively. The second determination means determines the case when a scheduled ball discharge during the generation period of the big winning belongs to a predetermined first range is a big winning without a ball discharge, the case when a scheduled ball discharge during the generation period of the big winning belongs to a predetermined second range is a normal big winning, and the case when a scheduled ball discharge during the generation period of the big winning does not belong to any of the first and second ranges is an out-of-range big winning. |
