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A dice gaming machine executes a dice game using a plurality of dice. Gaming values are bet with respect to bet areas making up a betting board. Each bet area is associated with a winning condition based on the spots on the dice and a payout magnification ratio. The prize in the dice game is determi

A dice gaming machine executes a dice game using a plurality of dice. Gaming values are bet with respect to bet areas making up a betting board. Each bet area is associated with a winning condition based on the spots on the dice and a payout magnification ratio. The prize in the dice game is determined based on the amount of gaming values bet on a bet area whose winning condition is satisfied, and a payout magnification ratio. Once acceptance of bets is ended, the dice gaming machine carries out a lottery. The dice gaming machine changes the payout magnification ratio for the bet area(s) based on the lottery result. Changing of the payout magnification ratio is adopted in the terminal(s) constituting the dice gaming machine.

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1. A dice gaming machine comprising: a dice box in which a plurality of dice are rolled and stopped;a plurality of terminals each of which has a betting board having a plurality of bet areas each associated with a dice-winning condition based on spots on any of the plurality of dice stopped and a pa

1. A dice gaming machine comprising: a dice box in which a plurality of dice are rolled and stopped;a plurality of terminals each of which has a betting board having a plurality of bet areas each associated with a dice-winning condition based on spots on any of the plurality of dice stopped and a payout magnification ratio previously determined, and accepts an input by a player; anda processor executing processes to: for each of the plurality of terminals:(a) accept a bet of a gaming value on any of the plurality of bet areas of the terminal;(b) when acceptance of the bet of the gaming value ends, carry out a lottery for each of the plurality of the bet areas making up the betting board of the terminal, each of the bet areas being associated with a lottery winning probability previously determined;(c) determine which one of the plurality of bet areas won in the lottery based on the lottery winning probabilities associated with the plurality of the bet areas;(d) change the payout magnification ratio of the determined bet area which won in the lottery with respect to the terminal;(e) roll and stop the plurality of dice for the terminal;(f) identify any of the bet areas which satisfies the dice-winning condition based on spots on the plurality of dice stopped; and(g) award a prize based on an amount of the gaming value bet at each bet area identified at the process (f) and the payout magnification ratio associated with each bet area identified at the process (f). 2. The dice gaming machine according to claim 1, wherein, when the process (d) is executed by the processor, the processor further executes a process to multiply the payout magnification ratio of the determined bet area which won in the lottery by a multiplier previously determined so that the payout magnification ratio of the determined bet area is changed to a special magnification ratio previously determined. 3. The dice gaming machine according to claim 1, wherein, for each of the plurality of the bet areas subject to the lottery for each of the plurality of terminals, the lottery winning probability associated with that bet area satisfies both conditions as follows:(1) a sum of a first value and a second value is equal to or larger than a predetermined reference value,the first value being a product of: (a) the lottery winning probability previously determined associated with the bet area, (b) an amount of one unit of gaming value, and (c) the payout magnification ratio associated with the bet area if changed, andthe second value being a product of: (a) a probability resulting from the subtraction of the lottery winning probability previously determined associated with the bet area from a winning probability to satisfy the dice-winning condition associated with the bet area, (b) the amount of one unit of gaming value, and (c) the payout magnification ratio associated with the bet area as previously determined before being changed; and(2) the sum of the first value and the second value is smaller than 1. 4. The dice gaming machine according to claim 2, wherein, for each of the plurality of the bet areas subject to the lottery for each of the plurality of terminals, the lottery winning probability associated with that bet area satisfies both conditions as follows:(1) a sum of a first value and a second value is equal to or larger than a predetermined reference value,the first value being a product of: (a) the lottery winning probability previously determined associated with the bet area, (b) an amount of one unit of gaming value, and (c) the payout magnification ratio associated with the bet area if changed, andthe second value being a product of: (a) a probability resulting from the subtraction of the lottery winning probability previously determined associated with the bet area from a winning probability to satisfy the dice-winning condition associated with the bet area, (b) the amount of one unit of gaming value, and (c) the payout magnification ratio associated with the bet area as previously determined before being changed; and(2) the sum of the first value and the second value is smaller than 1. 5. A dice gaming machine comprising: a dice box in which a plurality of dice are rolled and stopped;a betting board having a plurality of bet areas each associated with a dice-winning condition based on spots on any of the plurality of dice stopped and with a predetermined payout magnification ratio;a plurality of terminals each accepting an input by a player; anda processor executing processes of: (a) accepting a bet of a gaming value to any of the plurality of bet areas at any of the plurality of the terminals;(b) carrying out a lottery based on a lottery-winning probability previously determined when acceptance of the bet of the gaming value ends;(c) changing all of the payout magnification ratios of the plurality of bet areas making up the betting board for all of the plurality of terminals when the lottery is won;(d) rolling and stopping the plurality of dice;(e) identifying a bet area which satisfies the dice-winning condition based on spots on the plurality of dice stopped; and(f) awarding a prize based on an amount of the gaming value bet at the bet area identified and a payout magnification ratio of the bet area,wherein, relating to each of the plurality of the bet areas making up the betting board for each of the plurality of terminals, the lottery-winning probability at the lottery always satisfied a condition (1) that:(1) a product of (I) and (II) and (III) is smaller than 1, (I) being a dice-winning probability that spots on the plurality of dice stopped satisfies the dice-winning condition defined for the bet area, (II) being an amount of a unit gaming value which stands for 1, and (III) being a changed payout magnification ratio of the bet area. 6. The dice gaming machine according to claim 5, wherein the processor further executes a process of multiplying each of all the payout magnification ratios provided for all the plurality of bet areas by a predetermined special magnification ratio when the process (c) is executed.