Homepage / (use the options panel on the right side of the page) Account/ privacy.
When you scroll down you'll see the name of anyone you have blocked. You can click 'Remove' by their name to un-block them
http://www.chess.com/home/privacy.html
unblocking
Sort:
Hi,
For some reason, my friend has been blocked. How do I unblock?
Thx.
rshersh@gmail.com