I know there is one because of previous posts, but I don't have a link for you. Just be aware they want a credit card # and like any modern marketer they're banking on you forgetting to cancel before the 30 days are up. That's for a free trial, but they also sell monthly memberships (with the same warning). Oh here you go...
https://support.chess.com/customer/portal/articles/1444921
Hey,
is there an option to try out premium membership just for one month to decide if its worth it or not?
ty for the answer
cheers
Mr. Stomach