| 摘要 |
PURPOSE: A system and a method for operating a supporter card and using an accumulated cash-back point of a credit card company are provided to promptly use the cash-back point, accumulate more cash-back point depending on a game result of a sport club registered as a supporter, and accumulate the cash-back point for the sport club or a player. CONSTITUTION: Card information management servers(A1-An) provide the accumulated cash-back point information according to the use of the supporter cards(CD1-CDn) and perform the subtraction of the cash-back point by a transfer request of the cash-back point depending on the game result. Card information databases(B1-Bn) store the cash-back point information and the use particulars of the supporter card. A main server(14) processes/transmits a settlement approval, and processes the cash-back point by combining the card information database and an information database(16) storing the information for the sport game, the sport clubs(T1-T2), and the players. A credit card web site makes a member select the accumulation and the sport club by fixing an estimated winning team.
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