Game credits

Chess engine

Stockfish.js 17.1 by Nathan Rugg and the Stockfish contributors. The unmodified lite single-threaded WebAssembly build runs locally in a separate worker.

GNU GPL v3 licence · Corresponding engine source and build instructions

Chess rules

chess.js 1.4.0 by Jeff Hlywa and contributors. BSD licence · Source

Chess pieces

Chess piece artwork by Colin M. L. Burnett, distributed unchanged from the Lichess cburnett set. GNU GPL v2 or later · Editable SVG source

Playing cards

SVG-cards 4.0.2. Copyright © 2005 David Bellot; © 2016, 2017 Huub de Beer. GNU LGPL v2 or later · Unmodified editable SVG source · Project