If you close your account, you can contact support to request it be opened again.
Can we temporarily deactivate chess.com account
Sort:
Sure, you can deactivate your account easily. Just follow this guide~
https://support.chess.com/article/363-how-do-i-close-my-account
Or simply go to the following link and select the last option~ https://www.chess.com/settings/manage-account
And good luck with your studies. 
There is no option, only delete forever!