Privacy Policy

📥 Information We Collect

DV Chess collects only the minimum data necessary to provide a great chess experience. Here is exactly what we collect:

• Email Address — Used for account creation and login via Firebase Authentication.
• Display Name — The name you choose when you register your account.
• Game Statistics — Wins, losses, draws, and your chess rating score.
• Avatar Preference — Your selected avatar emoji, stored locally on your device.
• Board Theme — Your preferred board color theme, stored locally on your device.

⚙️ How We Use Your Information

Your data is used solely to power the app's features. We use it to:

• Create and manage your DV Chess account securely.
• Display your username and stats on the leaderboard.
• Track your rating and game history across sessions.
• Send a one-time email verification to confirm your account.
• Allow you to reset your password if you forget it.
• Enable online multiplayer matchmaking.

🛡️ Data Security

We take the security of your data seriously and implement multiple layers of protection:

• Email Verification — Every account must verify their email before accessing the app.
• Encrypted Transmission — All data is transmitted over HTTPS/TLS encrypted connections.
• Firebase Security Rules — Firestore database rules ensure users can only access their own data.
• Password Security — Passwords are never stored by DV Chess — Firebase Authentication handles all credential management securely.
• Local Preferences — Avatar and board theme choices are stored locally on your device using SharedPreferences and never sent to our servers.

👶 Children's Privacy

DV Chess is designed for general audiences. We do not knowingly collect personal information from children under the age of 13 (or the applicable minimum age in your country).

If you are a parent or guardian and believe your child has provided us with personal data without your consent, please contact us immediately at the email below. We will promptly delete the information from our records.

⚖️ Your Rights

You have full control over your personal data. Depending on your location, you may have the following rights:

• Access — Request a copy of the personal data we hold about you.
• Correction — Update your display name or email through the app settings.
• Deletion — Request complete deletion of your account and all associated data.
• Portability — Request your data in a machine-readable format.
• Objection — Object to any processing of your personal data.

To exercise any of these rights, contact us using the email address provided at the bottom of this page. We will respond within 30 days.

🗂️ Data Retention

We retain your data only for as long as your account is active or as needed to provide you with our services.

• Active Accounts — Your profile and game statistics are kept as long as your account exists.
• Account Deletion — Upon account deletion, all personal data is permanently removed from Firestore within 30 days.
• Unverified Accounts — If email verification is not completed, the account and any associated data is automatically deleted.
• Local Data — Preferences stored on your device (avatar, theme) are cleared when you uninstall the app.

📝 Changes to This Policy

We may update this Privacy Policy from time to time to reflect changes in our practices or for legal reasons. When we make significant changes, we will:

• Update the Effective Date at the top of this page.
• Notify users through an in-app notification or via email where appropriate.

We encourage you to review this policy periodically. Continued use of