Copyright © 1988-2026 Daniel Hedrick. All rights reserved. ChesSphere™ is a trademark of Daniel Hedrick.
You are welcome to play ChesSphere on this website. The software, source code, rules implementation, artwork, audio and text are proprietary. Copying, modifying, redistributing or reselling any part of it without written permission from Daniel Hedrick is not allowed.
ChesSphere Plus play on Lichess uses your own Lichess account and follows the Lichess terms of service.
Third party components keep their own licenses: three.js (MIT) and PeerJS (MIT).