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Legal & DMCA

Intellectual property information and copyright notices.

Copyright Notice

© 2024–2025 CHESS. All rights reserved. The CHESS name, logo, design, and original source code are proprietary and may not be reproduced, distributed, or used without explicit written permission from the owners.

Open Source Licenses

CHESS is built on the shoulders of open-source giants. The following libraries are used under their respective licenses:

ReactMIT License
ViteMIT License
Socket.ioMIT License
chess.jsBSD-2-Clause
react-chessboardMIT License
Stockfish.jsGPL-3.0
Lucide ReactISC License
Express.jsMIT License
Tailwind CSSMIT License

Full license texts for each library are available in the respective package's repository on npm or GitHub.

DMCA Policy

We respect the intellectual property rights of others and expect users of our Service to do the same. We will respond to notices of alleged copyright infringement that comply with the Digital Millennium Copyright Act (DMCA).

⚠️ Note: Chess as a game (its rules, notation, and piece movements) is in the public domain and cannot be copyrighted. DMCA claims must relate to specific creative expression — artwork, code, written content, or media.

To File a DMCA Takedown Notice

If you believe that content on CHESS infringes your copyright, provide us with a written notice containing:

Counter-Notice

If you believe your content was removed by mistake or misidentification, you may file a DMCA counter-notice with the same contact information below.

Disclaimer of Warranties

THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. WE DISCLAIM ALL WARRANTIES, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.

Governing Law

These legal terms are governed by and construed in accordance with applicable laws. Any disputes arising out of or related to the Service shall be resolved in the appropriate jurisdiction.

Contact for Legal Matters

For DMCA notices, legal inquiries, or copyright concerns, please reach out via the project's GitHub repository. We aim to respond to all legitimate legal notices within 10 business days.

Please include "LEGAL NOTICE" in the subject line of all correspondence to ensure timely processing.