Patent ID: 8579709

Claim:
A method comprising: determining a progressive jackpot award amount from a main progressive jackpot pool comprising first and second main progressive jackpot pool amounts for a network comprising a plurality of gaming units configured to provide at least one wagering game; calculating the second main progressive jackpot pool amount from the main progressive jackpot pool, said main progressive jackpot pool provided at least in part from a plurality of the gaming units, such that the second main progressive jackpot pool amount is equal to the first main progressive jackpot pool amount of the main progressive jackpot pool minus the progressive jackpot award amount; calculating a preliminary transfer amount from a reserve progressive jackpot pool, such that the preliminary transfer amount is equal to a first reserve progressive jackpot pool amount from a reserve progressive jackpot pool multiplied by a proration ratio; comparing the preliminary transfer amount to a positive minimum transfer amount; setting the transfer amount equal to the positive minimum transfer amount in response to determining that the preliminary transfer amount is less than the minimum transfer amount; and transferring the transfer amount from the reserve progressive jackpot pool to the main progressive jackpot pool on the network.