Chess tools & credits

Mantri Chess Club uses open-source chess tools. It is an independent club app and is not affiliated with Lichess.

• Chessground 10.2.0 by Lichess contributors — GPL-3.0-or-later. Source
• chessops 0.15.1 by Niklas Fiekas and contributors — GPL-3.0-or-later. Source
• chess.js 1.4.0 by Jeff Hlywa and contributors — BSD-2-Clause. Source
• Stockfish.js 11.0.0, single-thread classical evaluation — GPL-3.0. Corresponding source and build scripts; license; distribution details.
• Stockfish.js 19.0.0, lite single-thread build — GPL-3.0. Exact distribution source and build instructions; license.
• Cburnett pieces by Colin M. L. Burnett, distributed by Lichess — GPL-2.0-or-later. Attribution; license.

Mantri application code is distributed under GPL-3.0-or-later. Download corresponding application source.

Engine evaluation is advisory and may miss deeper tactics. Exercise scoring follows the uploaded solution branches.