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If you want to close your account altogether just roll your mouse pointer over "home" and then click on "account". At the bottom of the white space is a line in the smallest print possible that says something like "to close your account click here". Sorry it didn't work out for you OR my apologies if you were asking something else.

@masterofallandlosert- Were you referring to your premium account? If so, you are able to cancel your premium account here: http://www.chess.com/home/cancellation?type=membership
where is the unsubscribe button?