Contact
If a piece moves incorrectly, notation looks wrong, a control does not work on your phone, or you have a specific suggestion, please write to us. Include enough detail to reproduce the issue: your device and browser, selected side and difficulty, the move where it happened, and a screenshot when useful.
What you can contact us about
Questions about rule implementation, page defects, accessibility, privacy, corrections, copyright, or partnerships are welcome. Feedback such as “the AI is too weak” can still help, but including the difficulty and game position makes it much easier to investigate.
The site has no support bot and does not need your account or payment details. Do not send passwords, identity documents, or bank information. A page URL, screenshot, and move sequence are normally enough to diagnose a game issue.