STOCKFISH 19 / BROWSER ENGINE ATTRIBUTION

This website can serve Stockfish.js 19.0.1, an adaptation of the Stockfish chess engine for browsers, subject to the GNU General Public License version 3 (GPLv3). The full licence appears in GPL-3.0.txt in this directory.

Source code and build instructions:
https://github.com/nmrugg/stockfish.js
https://github.com/official-stockfish/Stockfish

Site integration source, build scripts and any local modifications are included in the website project distribution. Site operators are responsible for making the corresponding source code available to recipients to comply with applicable GPL conditions. Original website branding and images are separately licensed.

Lichess chess opening names / data are CC0:
https://github.com/lichess-org/chess-openings

This notice does not imply that Stockfish or Lichess endorse this website.