Transparency & Data Rights

Privacy Policy

Last updated: November 2026 • Compliant with European GDPR, California CCPA/CPRA, and modern web data standards.

1. Our Commitment to Player Privacy

At NextMove Chess (https://nextmovechess.vercel.app), we believe chess study should be private, anonymous, and frictionless. We do not require account creation, logins, or personal details to use our free chess move calculator.

2. Local Browser Engine & Zero Data Harvesting

All position evaluations, Forsyth–Edwards Notation (FEN) strings, and move histories are processed locally inside your client browser. We do not harvest, catalog, or transmit your private opening repertoires or training games to any external server.

Saved positions and theme settings reside strictly in your browser’s HTML5 localStorage, giving you complete autonomy to clear your data at any time.

3. Cookies & Third-Party Advertising

To keep our engine calculation 100% free for everyone, NextMove Chess may display non-intrusive advertisements from Google AdSense. Google and third-party vendors use cookies to serve ads based on prior visits. Users may opt out of personalized advertising by visiting Google Ad Settings or aboutads.info.

4. Contact & Data Rights

You retain the right to request access, correction, or erasure of any communication you send to us. To exercise your privacy rights, please submit an inquiry via our Contact & Support page.