Privacy Policy

Last updated: June 2026

Overview

Chessyi ("we", "our") operates chessyi.com. This policy explains what information we collect and how we use it when you use our chess analysis and training platform.

Information we collect

• Account data: Email address and hashed password when you register.
• Saved games: Positions and PGN you explicitly save to your account.
• Session data: Secure cookies to keep you signed in.
• Technical logs: Standard server logs (IP, user agent) for security and reliability.

What we do not collect

Stockfish engine analysis runs locally in your browser. We do not receive or store the positions you analyse unless you explicitly save them to your account.

How we use your information

• Authenticate your account and sync saved games
• Send verification and password-reset emails
• Maintain and improve the service

Data sharing

We do not sell your personal information. We may use infrastructure providers (hosting, email) who process data on our behalf under contractual obligations.

Your rights

You may request access to or deletion of your account data by contacting us through chessyi.com.

Contact

Questions about this policy: contact via chessyi.com.