1. Acceptance of Terms
By accessing or using Chess Web (https://チェスweb.com, the "Platform"), including playing against computer AI, challenging opponents locally or online, or reading tutorials, you agree to comply with and be bound by these Terms & Conditions.
If you do not agree to these Terms, please do not use the Platform.
2. Service Description & Free Access
Chess Web is provided free of charge without mandatory user registration or paywalls. We grant you a revocable, non-exclusive, non-transferable personal license to play chess games and access instructional materials for personal, non-commercial enjoyment.
3. Fair Play Policy & Prohibited Conduct
To preserve a fun and sportsmanlike community, all users must abide by our Fair Play guidelines:
When participating in online multiplayer games against another human player, you may NOT use third-party chess engines, bots, or external calculation tools to determine your moves. (You are, of course, free to utilize built-in hints and undo moves while training against AI or studying tutorial positions).
You agree not to execute automated scraping scripts, launch denial-of-service (DoS/DDoS) attacks, exploit potential security vulnerabilities, or interfere with other players' connections.
Any communications submitted through our contact channels must remain respectful and free of defamation, harassment, spam, or unlawful material.
4. Intellectual Property & Open-Source Licenses
1. The Chess Web branding, layout, original designs, graphics, and interface code are protected by copyright and intellectual property laws.
2. The Stockfish chess engine incorporated in this site is distributed under the terms of the GNU General Public License v3 (GPL v3). Other open-source packages are used in compliance with their respective licenses (MIT/BSD/Apache).
5. Disclaimer of Warranties
THE SERVICE IS PROVIDED ON AN "AS IS" AND "AS AVAILABLE" BASIS WITHOUT WARRANTIES OF ANY KIND, WHETHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR UNINTERRUPTED OPERABILITY.
6. Limitation of Liability
To the maximum extent permitted by applicable law, Chess Web and its operators shall not be liable for any indirect, incidental, special, consequential, or punitive damages resulting from your use or inability to use the Platform.
7. Modifications to Service & Terms
We reserve the right to modify or discontinue any feature of the site at any time without prior notice. Continued use of the platform after updates to these terms constitutes acceptance of the new terms.
8. Governing Law & Jurisdiction
These Terms and any disputes arising out of or related to the Platform shall be governed by and construed in accordance with the laws of Japan, and the Tokyo District Court shall have exclusive jurisdiction as the court of first instance.
Questions About Terms?
If you have any questions or require legal clarification regarding these terms, please contact us through ourContact Page.