Terms of Service

Last updated: March 12, 2026

1. Acceptance of Terms

By accessing or using Deepline ("the Service"), you agree to be bound by these Terms of Service. If you do not agree, do not use the Service.

2. Description of Service

Deepline provides chess game analysis, personalized training puzzles, weakness identification, and training schedules. The Service may integrate with third-party platforms such as Chess.com and Lichess.

3. User Accounts

You are responsible for maintaining the confidentiality of your account credentials. You agree to provide accurate information during registration. We reserve the right to suspend or terminate accounts that violate these terms.

4. Acceptable Use

You agree not to: abuse rate limits or overload the Service; scrape or reverse-engineer any part of the Service; share your account with others; or use the Service for any unlawful purpose.

5. Intellectual Property

All content, branding, and code comprising the Service are owned by Deepline. Your game data and analysis results remain yours. By using the Service, you grant us a limited license to process your game data for analysis purposes.

6. Disclaimers

The Service is provided "as is" without warranties of any kind. Chess analysis is computational and may contain inaccuracies. We do not guarantee improvements in chess performance.

7. Limitation of Liability

To the maximum extent permitted by law, Deepline shall not be liable for any indirect, incidental, or consequential damages arising from use of the Service.

8. Changes to Terms

We may update these terms at any time. Continued use of the Service after changes constitutes acceptance. We will notify users of material changes via email or in-app notification.

9. Contact

Questions about these terms? Contact us at support@deepline.app.