Privacy policy
Updated: 29/09/2026
Controller
Minguk Kang, publisher of 42chess.org. Contact: [email protected].
What we collect
- When you sign in with 42: login, name, email address, photo, campus and 42 id.
- What you add: display name, photo, description, settings, friends, event subscriptions.
- Your games: moves, results, time controls, dates and ratings.
- The contact form: your email and message, delivered by email.
- Server logs (IP address, time), for security.
What is public
Your display name, photo, description, campus, ratings and games are visible to every visitor. Your email address never is. In-game chat is not stored.
Why, and on what basis
- Running the site (account, games, ranking, friends): providing the service you ask for.
- Security and abuse prevention: legitimate interest.
- Event emails: you can turn them off at any time in settings.
Who processes it
- OVH (hosting, France).
- MongoDB Atlas (database).
- Cloudflare Turnstile (anti-spam check on the contact form).
- 42 (authentication when you sign in).
Your data is never sold or used for advertising.
How long we keep it
- Account: until you delete it.
- Games: kept after an account is deleted, as "Deleted user", for the other players' history and ratings.
- Contact messages: as long as needed to answer them.
- Server logs: 12 months at most.
Cookies
Only necessary cookies: your sign-in session, showing your account while the page loads, and your chosen language. Your settings (sounds, legal moves…) stay in your browser. No advertising or analytics cookies.
Your rights
You can access, correct or erase your data, get a copy of it, or object to its use. You can delete your account yourself in settings. For anything else: [email protected]. You can also complain to the French data protection authority, the CNIL.