You need to contact support to get help. (Link is on the bottom of the page.)
However, I think that support won't be able to help you without you having access to the email used to set up the account.
Enjoy your new account and I hope you wrote down your email this time.
I got logged out of my main chess account and I do not know what email I attached to it and the password what can I do? The username of the account is bus12453