Privacy Policy

Effective Date: January 1, 2025

1. Introduction

KingChess ("we," "our," or "us") respects your privacy and is committed to protecting your personal information. This Privacy Policy explains how we collect, use, and safeguard your information when you use our chess improvement platform.

2. Information We Collect

2.1 Account Information

• Email address: Used for account creation and communication
• Username: Optional display name for your profile
• Password: Securely hashed and stored
• Chess rating: Imported from external platforms

2.2 Chess Platform Data

When you connect your external chess accounts, we collect:

• Game history: PGN data of your chess games for analysis
• Game metadata: Dates, time controls, opponents (anonymized)
• Performance statistics: Ratings and win/loss records

2.3 Generated Content

• Puzzle attempts: Your solutions and performance
• Progress tracking: Statistics on your improvement
• Preferences: Your chosen difficulty levels and settings

3. How We Use Your Information

3.1 Core Service Provision

• Game analysis: Analyze your games to identify patterns
• Puzzle generation: Create personalized puzzles
• Progress tracking: Monitor your improvement
• Account management: Maintain your account and provide support

4. Information Sharing

4.1 We Do NOT Sell Your Data

We do not sell, trade, or rent your personal information to third parties for marketing purposes.

4.2 Limited Sharing

We may share information only for:

• Service providers: Trusted partners who help operate our service
• Legal requirements: When required by law or court order
• Safety and security: To protect users or prevent illegal activities

5. Data Security

We implement industry-standard security measures:

• Encryption: All data encrypted in transit and at rest
• Secure authentication: Passwords hashed using bcrypt
• Access controls: Limited employee access to personal data
• Regular audits: Ongoing security monitoring

6. Your Privacy Rights

You have the right to:

• Access: Request a copy of your personal data
• Correct: Update inaccurate information
• Delete: Request deletion of your account and data
• Port: Export your data in machine-readable format
• Disconnect: Remove external platform connections

7. Cookies and Tracking

We use essential cookies to maintain your login session, remember preferences, and ensure security. You can control cookies through your browser settings.

8. Children's Privacy

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

9. Updates to This Policy

We may update this Privacy Policy from time to time. We will post updates on our website and email registered users about significant changes.

10. Contact Us

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

• Email: privacy@kingchess.com
• Subject: Privacy Policy Inquiry

We will respond to privacy requests within 30 days.