Contact

Something is wrong with a rule

This is the message we most want. Every variant records which published rule set it follows, and if we have read one wrongly we would rather know. Tell us the game, the variant, and the position — a move list is ideal.

Something is wrong with the site

Say what you did, what happened, and what you expected. If it was during a game, the game link is worth more than a screenshot.

Your account

You can export or delete everything we hold from your settings, without asking us. If that does not work, tell us and we will do it by hand.