I believe that Chess.com does take Mastercard credit cards, and the billing information would definitely be where you live. I would highly recommend upgrading, I've only gotten the gold upgrade, but I feel like I have gotten my money's worth and perhaps a bit more.
credit card and billing address
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I want to be more accurate. My credit card is NOT a mastercard (it's released by my bank) but it belong to mastercard circuit. Are there any problem regarding the membership? By the way......thanks jason for your comment!
Just go ahead and upgrade. In case the card is not worth, they place a note about it. With that note you can go to your bank for help.
I want to upgrade my account with a membership to Chess.com. My credit card is release by my bank and it belong to mastercard circuit. The first question is..... can I upgrade my account? The second question is.....what's the billing address? Is it my address (where I live) or the bank address?