Privacy Policy

Last Updated: December 14, 2025

1. Introduction

AICoachess ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our chess analysis service.

2. Information We Collect

2.1 Information You Provide

We collect information you provide directly to us, including:

• Email address (for account creation and authentication)
• Chess game data (PGN files you upload for analysis)
• Player names and ratings (from your uploaded games)
• Payment information (processed securely through Paddle)

2.2 Automatically Collected Information

When you use our service, we automatically collect:

• Usage data (pages visited, features used, analysis requests)
• Device information (browser type, operating system)
• Session data (timestamps, session duration)

3. How We Use Your Information

We use the collected information to:

• Provide and maintain our chess analysis service
• Process your game analyses using AI (Claude API)
• Process payments and manage subscriptions
• Send service-related communications
• Improve and optimize our service
• Prevent fraud and ensure security

4. Data Sharing and Disclosure

We share your data only with:

• Anthropic (Claude API): Your chess games are sent to Claude API for analysis
• Paddle: Payment processing and subscription management
• Supabase: Database and authentication services (data stored in EU)
• Vercel: Hosting and deployment infrastructure

We do NOT sell your data to third parties.

5. Data Retention

We retain your data as follows:

• Account data: Until you delete your account
• Analysis history: Stored indefinitely for your access
• Payment records: Retained for 7 years for tax/legal compliance
• Usage logs: Retained for 90 days

6. Your Rights

You have the right to:

• Access your personal data
• Correct inaccurate data
• Delete your account and associated data
• Export your analysis history
• Opt-out of marketing communications

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

7. Security

We implement industry-standard security measures including:

• HTTPS encryption for all data transmission
• Secure authentication via Supabase
• Environment variable protection for API keys
• Regular security audits

8. Cookies and Tracking

We use essential cookies for:

• Authentication (keeping you logged in)
• Session management
• Payment processing

We do NOT use advertising or tracking cookies from third parties.

9. Children's Privacy

Our service is not intended for users under 13 years of age. We do not knowingly collect data from children under 13.

10. International Data Transfers

Your data may be processed in:

• European Union (Supabase database)
• United States (Anthropic Claude API, Vercel hosting)

We ensure adequate safeguards are in place for international transfers.

11. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of significant changes via email or through our service.

12. Contact Us

For privacy-related questions or concerns, contact us at:

Email: aicoachess@gmail.com
Website: www.aicoachess.com