Privacy Policy

1. Information We Collect

Chess Game Data

When you use our Service, we process:

• Chess Games: PGN files and game data you upload or input for analysis
• Game Analysis: Chess game reviews and analysis results

Important: All your game data is stored locally in your browser using localStorage. We do not store your games on our servers.

Usage Information

We automatically collect certain information through:

• Vercel Analytics: Anonymous usage statistics to understand how our Service is used and improve user experience

2. How We Use Your Information

We use the information we collect to:

• Provide and maintain our chess analysis services
• Process your chess games and provide analysis results
• Improve our Service through anonymous usage analytics

3. Information Sharing and Disclosure

We may share your information in the following circumstances:

Third-Party Service Providers

• Vercel: Hosting and anonymous analytics services

Legal Requirements

We may disclose your information if required to do so by law or in response to valid requests by public authorities.

4. Data Storage

Your data is stored as follows:

• Chess Games and Analysis: Stored locally in your browser's localStorage. You have full control over this data and can clear it at any time through your browser settings.
• Usage Analytics: Anonymous data collected by Vercel Analytics for service improvement purposes

5. Your Privacy Rights

Since your game data is stored locally in your browser, you have complete control over it:

• Access: Your games are stored in your browser and accessible only to you
• Deletion: Clear your browser's localStorage to delete all stored games
• Portability: Your data remains on your device

6. Cookies and Tracking

Our use of cookies and tracking technologies is minimal:

• localStorage: Used to store your game history locally in your browser
• Analytics: Vercel Analytics uses anonymous, privacy-focused tracking that doesn't identify individual users
• No Marketing Cookies: We do not use advertising or marketing tracking cookies

7. Data Security

We implement appropriate security measures to protect your information:

• Secure data transmission using HTTPS encryption
• Local data storage means your games never leave your device
• Regular security updates and monitoring

8. Children's Privacy

Our Service is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13.

9. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any material changes by posting the new Privacy Policy on our website and updating the "Effective Date." Your continued use of the Service after such changes constitutes acceptance of the updated Privacy Policy.

10. Contact Information

If you have any questions about this Privacy Policy or our privacy practices, please contact us:

• Email: chessarcapp@gmail.com