Privacy Policy

ChessBlunders.org ("we", "our", or "us") is committed to protecting your privacy. This policy explains how we collect, use, and safeguard your information when you use our chess training platform.

We collect the following types of information:

• Account Information: Email address and encrypted password when you create an account
• Chess Data: Games you import from Chess.com, analysis results, and practice statistics
• Payment Information: Processed securely by Stripe. We do not store your credit card details
• Feedback: Any feedback or messages you submit through our contact form

• To provide and maintain our chess training service
• To analyze your games and generate personalized puzzles
• To track your progress and practice statistics
• To process subscription payments
• To respond to your feedback and support requests
• To send important service-related communications

Your data is stored securely using Supabase, a trusted cloud database provider. We implement appropriate security measures including:

• Encrypted password storage (passwords are never stored in plain text)
• Secure HTTPS connections for all data transmission
• Payment processing handled entirely by Stripe (PCI compliant)

We use the following third-party services:

• Supabase: For authentication and data storage
• Stripe: For secure payment processing
• Chess.com API: To import your games (with your permission)

You have the right to:

• Access your personal data
• Request correction of inaccurate data
• Request deletion of your account and associated data
• Cancel your subscription at any time

To exercise these rights, please contact us through our feedback page.

We use essential cookies for authentication and session management. These cookies are necessary for the service to function and cannot be disabled.

We may update this privacy policy from time to time. We will notify you of any significant changes by posting the new policy on this page and updating the "Last updated" date.

If you have questions about this privacy policy or our data practices, please contact us through our feedback page.