@chessle/chess.js-extended/LICENSE

A powerful browser-only chess engine package that bundles Stockfish for position evaluation and analysis on top of chess.js

GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007

Copyright (C) 2024 Chessle a trading style of Mote Software Ltd

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>.

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This package includes Stockfish, a free chess engine.
Stockfish is distributed under the GNU General Public License version 3 (GPL v3).
Copyright (C) 2004-2024 The Stockfish developers (see AUTHORS file in Stockfish distribution)

The full text of the GNU General Public License version 3 can be found at:
https://www.gnu.org/licenses/gpl-3.0.html