Licences
Last updated: July 2026
ChessMotive uses open-source components that remain governed by their respective licences.
chessboard.js
Used for chessboard rendering and interaction under the MIT Licence.
chess.js
Used for move generation, validation, and position handling under the BSD 2-Clause Licence.
Stockfish.js and Stockfish
Used for in-browser chess analysis under the GNU General Public License version 3.