charged twice


I want to keep my diamond membership, but my account was charged twice on Dec. Once on the 10th and again on the 16th. Is there a phone# I can call to talk with someone about this. I also need to check back and make sure this hasn't happened more than once. Thank you
Write an email to the billing department using the contact form: https://support.chess.com/customer/portal/emails/new
I am unaware of any phone number.