Privacy Policy

Last updated: April 2026

1. Information We Collect

We collect information you provide when registering, such as your username, email address, and password. If you sign in with Google or GitHub, we receive basic profile information from those services (name, email, avatar).

2. How We Use Your Information

We use your information to provide and improve the CheckOnChess service, including managing your account, recording game history, and sending account-related emails (verification, password reset). We do not sell your personal data to third parties.

3. Data Storage

Your data is stored securely on servers hosted by Railway. Passwords are hashed and never stored in plain text.

4. Third-Party Services

We use Google and GitHub OAuth for authentication. By using these sign-in options, you agree to their respective privacy policies. We use Resend for transactional emails.

5. Cookies

We use minimal cookies and local storage to keep you logged in. We do not use tracking or advertising cookies.

6. Your Rights

You may request deletion of your account and associated data at any time by contacting us.

7. Contact

For privacy-related questions, contact us at: contact@checkonchess.com