Privacy Policy for Chess Elo Finder

1. Information We Collect

1.1 Information You Provide

Chess Elo Finder does not require you to create an account, and we do not ask for personal information such as your name, email address, or phone number.

1.2 Automatically Collected Information

• Android Advertising ID (AAID): We use the Google Advertising ID for advertising purposes. You can reset or opt out of interest-based advertising via your device settings.
• Usage Data: Anonymous usage statistics (e.g., puzzles solved, rating progress) to improve our service.
• Device Info: Device model, OS version, and app version for crash reporting and analytics.

2. How We Use Information

We use the information we collect to:

• Estimate and track your chess ELO rating.
• Fetch and display tactical puzzles from Lichess.
• Serve advertisements and rewarded video ads via AdMob.
• Analyze app performance and fix crashes.
• Comply with legal obligations.

3. Advertising

3.1 AdMob

We use Google AdMob to serve ads. AdMob may collect and use the Android Advertising ID (AAID) to serve personalized ads. You can opt out of personalized advertising at any time:

• Android: Settings → Google → Ads → Opt out of Ads Personalization

3.2 Ad Providers

• Google AdMob: Privacy Policy

3.3 No Ad Fraud

We do not grant rewards or hints without the user genuinely viewing or interacting with a rewarded advertisement as intended.

4. Data Sharing

We do not sell your personal data to third parties. We may share data with:

• AdMob (Google): For serving advertisements.
• Service Providers: Analytics and crash reporting tools.

5. Your Rights (GDPR / CCPA)

5.1 For EEA Users (GDPR)

If you are in the European Economic Area, you have the right to:

• Access: Request a copy of your data.
• Rectification: Correct inaccurate data.
• Erasure: Request deletion of your data.
• Restrict: Limit how we use your data.
• Portability: Receive your data in a machine-readable format.
• Object: Object to processing for direct marketing or legitimate interests.

To exercise these rights, contact us at: ideas2app@gmail.com

5.2 For California Users (CCPA)

If you are a California resident, you have the right to:

• Know what personal information is collected, used, and shared.
• Request deletion of your personal information.
• Opt out of the sale of your personal information (we do not sell personal information).
• Non-discrimination for exercising your CCPA rights.

6. Children's Privacy (COPPA)

Our app is not directed at children under 13. We do not knowingly collect personal information from children under 13. If you become aware that a child under 13 has provided us with personal information, we will delete it immediately. If you are a parent or guardian and believe your child has provided us with data, contact us at: ideas2app@gmail.com

7. Data Retention

We retain your rating data locally on your device. Uninstalling the app or clearing app data deletes this information. Usage analytics and advertising data are retained per our ad partners' policies.

8. Data Security

We take reasonable measures to protect your information from unauthorized access or disclosure. All network communications use industry-standard encryption (HTTPS).

9. Third-Party Services

Our app integrates with:

• AdMob (Google): For displaying advertisements.
• Lichess API: For fetching chess puzzles.

Please refer to their respective privacy policies for more information.

10. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of changes by posting the new policy here and updating the "Last Updated" date.

11. Contact Us

If you have any questions about this Privacy Policy, please contact us at:

• Email: ideas2app@gmail.com
• Privacy Policy URL: https://chess-elo-finder.web.app/privacy.html