Privacy Policy
Last updated: September 2026
Who we are
AlphaChess is a small chess website for playing, training, and tracking your progress. If you have questions about this policy, contact the site owner at mcaranci07@gmail.com.
Information we collect
- Account info — if you sign in, we store your display name, email, and profile photo via Google Firebase Authentication.
- Gameplay data — your games, ratings, puzzle results, and friends, stored in Firebase Firestore so you can pick up where you left off.
- Local settings — board theme, sound, and similar preferences are stored in your browser only.
Cookies & advertising
We show ads through Google AdSense to keep the site free. Google and its partners may use cookies to serve ads based on your prior visits to this and other websites. You can opt out of personalized advertising by visiting Google Ads Settings. Learn more about how Google uses data at policies.google.com/technologies/partner-sites. Ads and their cookies load only after you accept them in the cookie banner.
How we use your information
To run your account, save your games and ratings, show who's online, and improve the site. We don't sell your personal information.
Third-party services
- Google Firebase — authentication and database hosting.
- Google AdSense — advertising.
Your choices
You can decline ad cookies below, sign out at any time, or ask the site owner to delete your account data. Clearing your browser data removes local settings and your saved consent choice.
Children
This site isn't directed to children under 13, and we don't knowingly collect their personal information.
Managing ads
To control personalized advertising, visit Google Ads Settings. You can also block cookies in your browser settings.