MasterCard credit card holders who pay as frequently as possible between the beginning of October and the end of 2010 will win a prize. Payments made using a MasterCard personal credit card for goods and services, including the use of the cash back service, worth at least CZK 200 are taken into account in this competition, which is organised by Komerční banka. After the competition, 250 of the most active credit card holders will obtain the prizes in the order of the ranking that will be prepared on the basis of the number of transactions made for the required amount of money.