you should have a 30 day money back gurantee from when you paid for it
Free Trial isn't really free at al .

Hello!
I am an average chess player. I use chess.com on almost a regular basis to play chess with my friends. Chess.com has given me so much to learn. They offered me a nice 10 day free trial of diamond rank membership in which I used wisely and enjoyed my time with. However, almost 12-15 days later here I am still with diamond rank. I look in my bank account only to find that I was charged a $99 fee for "paying" for diamond membership. I have tried emailing the staff for help. But alas, I still sit here with a diamond rank and $99 less in my account. I was going to ask if there is a way to resolve this?.
Thank you for your time.
I'm going to go out on a limb here and say you have to cancel your free trial during the 10-day window, and not "almost 12-15 days later"

I think here: http://www.chess.com/home/cancellation?type=account
Hello!
I am an average chess player. I use chess.com on almost a regular basis to play chess with my friends. Chess.com has given me so much to learn. They offered me a nice 10 day free trial of diamond rank membership in which I used wisely and enjoyed my time with. However, almost 12-15 days later here I am still with diamond rank. I look in my bank account only to find that I was charged a $99 fee for "paying" for diamond membership. I have tried emailing the staff for help. But alas, I still sit here with a diamond rank and $99 less in my account. I was going to ask if there is a way to resolve this?.
Thank you for your time.