Privacy Policy
Last updated: January 2025
Information We Collect
dxc4.com is a chess analysis tool that operates entirely in your browser. We are committed to protecting your privacy and minimizing data collection.
Information We Do NOT Collect
- Personal identification information (name, email, address)
- Account information or user profiles
- Chess games or analysis data
- Payment or financial information
- Location data
Technical Information
We may collect basic technical information automatically:
- Browser type and version
- Device type (desktop, mobile, tablet)
- General geographic region (country/state level)
- Pages visited and time spent on site
- Referring website information
How We Use Information
Any technical information collected is used solely to:
- Improve website performance and user experience
- Monitor for security threats and abuse
- Understand general usage patterns
- Fix technical issues and bugs
Local Data Storage
All chess analysis happens locally in your browser. We may store the following data locally on your device:
- User preferences and settings
- Temporary analysis cache to improve performance
- Browser session data
This data remains on your device and is not transmitted to our servers. You can clear this data at any time through your browser settings.
Third-Party Services
dxc4.com uses the following third-party services:
Stockfish Chess Engine
We use the open-source Stockfish chess engine for position analysis. All analysis is performed locally in your browser - no chess positions or moves are sent to external servers.
Web Analytics (if applicable)
We may use privacy-focused analytics services to understand website usage. Any analytics service used will be configured to:
- Not collect personal information
- Not use cookies for tracking
- Not share data with third parties
- Respect "Do Not Track" browser settings
Cookies and Tracking
dxc4.com minimizes the use of cookies and tracking:
- We do not use advertising or marketing cookies
- We do not use cross-site tracking
- Essential cookies may be used for basic functionality
- You can disable cookies in your browser without affecting core functionality
Data Security
We implement appropriate security measures to protect any information processed through our website:
- HTTPS encryption for all communications
- Regular security updates and monitoring
- Minimal data collection and retention
- No storage of sensitive personal information
Your Rights
You have the following rights regarding your data:
- Right to know what information is collected
- Right to access any information we have
- Right to correct inaccurate information
- Right to delete your information
- Right to opt-out of any optional data collection
Since we collect minimal information and most functionality is client-side, these rights are largely built into how our service works.
Changes to This Policy
We may update this privacy policy from time to time. Any changes will be posted on this page with an updated revision date. We encourage you to review this policy periodically.
Contact Information
If you have questions about this privacy policy or our data practices, you can contact us through the website or by visiting our about page.