TERMS OF USE
Terms of Use
Last updated: September 1, 2026
By accessing or using ChessMoveLab, you agree to these Terms of Use. If you do not agree with these terms, please do not use the website.
1. About ChessMoveLab
ChessMoveLab is an online chess analysis tool designed to help users review chess games, evaluate positions and learn from their moves.
2. Educational Purpose
Chess analysis, move classifications, estimated performance, engine evaluations and suggested moves are provided primarily for informational and educational purposes.
Results may differ from analysis provided by other chess websites, engines or services.
3. Chess Engine Analysis
ChessMoveLab may use the Stockfish chess engine to evaluate positions and suggest moves.
Engine results can vary depending on analysis depth, available computing resources and position complexity.
4. Move Classifications
Labels such as Best, Great, Good, Inaccuracy, Mistake, Blunder or Miss are ChessMoveLab's own analysis categories.
These classifications should not be interpreted as official ratings or classifications from Chess.com or any other chess platform.
5. Public Game Information
ChessMoveLab may retrieve publicly available chess game information from third-party services when a user provides a public username.
Users are responsible for using ChessMoveLab in accordance with the terms and policies of any third-party platform associated with the information they request.
6. Acceptable Use
You agree not to use ChessMoveLab to:
- Break applicable laws or regulations.
- Attempt to disrupt, damage or overload the website.
- Attempt to gain unauthorized access to systems, accounts or data.
- Use automated systems in a way that places unreasonable load on ChessMoveLab or third-party services.
- Misrepresent ChessMoveLab as an official service of Chess.com or another company.
7. Third-Party Services
ChessMoveLab may depend on third-party services for features such as hosting, analytics, chess data or engine-related functionality.
These third-party services are governed by their own terms, policies and availability.
8. Service Availability
We aim to keep ChessMoveLab available and functional, but we do not guarantee uninterrupted access.
Features may be modified, temporarily unavailable or discontinued when necessary.
9. Accuracy of Information
ChessMoveLab is provided on an "as is" basis.
We do not guarantee that every evaluation, opening name, suggested move, estimated rating or classification will always be accurate or complete.
10. Limitation of Liability
To the extent permitted by applicable law, ChessMoveLab and its operators will not be responsible for losses or damages resulting from use of, or inability to use, the website.
11. Intellectual Property
ChessMoveLab's original website design, branding and original content may not be copied or represented as another official ChessMoveLab service without permission.
Third-party software, chess engines, datasets, trademarks and other materials remain subject to their respective licenses and owners.
12. Analytics and Privacy
ChessMoveLab may use analytics services only according to the privacy choices available on the website.
You can review or change your analytics preference through the Cookie Settings option.
13. Changes to These Terms
These Terms of Use may be updated as ChessMoveLab evolves. The latest version will be published on this page.
14. Contact
Questions about these Terms can be sent to:
ChessMoveLab is an independent project and is not affiliated with, endorsed by, or sponsored by Chess.com.