| 摘要 |
PROBLEM TO BE SOLVED: To provide a mahjong ball game machine which can display whether a player should break hand tiles to be changed to other tiles for waiting when getting a waiting hand called tenpai. SOLUTION: An alteration oriented necessary tile selection program P242 is to select necessary tile figures for the establishment of the combination of hand pile figures as a winning hand by altering the combination of hand tile figures judged to reach the tenpai state to other combination of hand tile figures. A probability comparison program P243 is to calculate the first probability of acquiring winning hand tile figures and the second probability of acquiring tile figures selected by the alteration oriented necessary tile selection program P242 from the ball entry rate which is calculated by a total of entry balls memory program P26, a ball entry slot wise number of entry balls memory program P27 and a ball entry rate per ball entry slot calculation program P28 and compares the first and second probabilities. A display content decision program P244 is to make a display showing whether the combination of hand tile figures as a winning hand should be altered or not from the result of the comparison by the probability comparison program P243. COPYRIGHT: (C)2007,JPO&INPIT
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