Based on Lichess

This website is based in part on source code and assets from Lichess, including its open-source chessboard library, Chessground. Lirep.org also uses Stockfish for chess analysis. It is an independent project and is not an official Lichess service.

Like the code of Lichess, the code of Lirep is released under the GNU AGPL-3.0.

No warranty

This software is provided without warranty, under the terms of its applicable licenses.

Created by

Lirep.org was built by Urbain Vaes with the assistance of AI agents.

Contact

Questions, bug reports and feedback are welcome at contact@lirep.org.