Terms of use
By using this site you agree to these terms. They are short and written in plain language.
Information, not advice
Pages on this site describe browser extensions, their permissions and the rules of chess sites as we understood them on the date shown. Extensions update often and policies change. Check the current Chrome Web Store listing and the chess site's own rules before relying on anything here.
No warranty
The site is provided "as is", without warranties of any kind. We are not responsible for extensions made by others, for changes to their behavior, or for any loss arising from installing or using them. You decide what to install in your browser.
Fair play
Do not use analysis extensions, including ChessHelper (chesshelper.ai), during games against other people. Chess.com, Lichess, FIDE and US Chess forbid outside help during games. Use analysis tools on finished games, analysis boards and games against the computer. Account actions taken by chess sites are their decision; we cannot intervene.
Our interest
This site is made by the ChessHelper team, which sells ChessHelper Pro. See our disclosure.
Content and trademarks
Text on this site is ours. Photos and chess piece images are used under the licenses listed on Credits. Product names belong to their owners; their mention does not imply endorsement of this site.
Changes and contact
We may update these terms; the date above shows the latest version. Questions: [email protected].