Terms of service

Draft, last updated October 2026.

1. NRV Chess is a chess training service. Analysis and explanations are generated automatically and may contain errors.
2. You are responsible for your account and for the games you import. Only import games from accounts you own.
3. Do not abuse the service, for example by automating requests or using it to get assistance during rated games on other sites.
4. We may change or discontinue features. You can delete your account at any time.
5. The service is provided as is, without warranties, to the extent permitted by law.

Open-source notices

Chess analysis is performed on our servers with Stockfish (GPL-3.0), source available at github.com/official-stockfish/Stockfish. Chess piece images by Colin M.L. Burnett, used under the BSD license.