Corresponding Source for the Stockfish WebAssembly engine served by this site ============================================================================ Object code conveyed npm package stockfish@18.0.8 tarball https://registry.npmjs.org/stockfish/-/stockfish-18.0.8.tgz integrity (sha512) z+f2UMPXLylDBGjv9e9zU8QulY7hUl8MYHesLRrdddewlOXjJrUSmtNmbtID1/F72EPhq0CCkCNxgWS5MQVWtQ== files served here /vendor/stockfish/single/* (the single-threaded build) Corresponding Source Stockfish.js (the WebAssembly port, and the source tree the npm package was published from) repository https://github.com/nmrugg/stockfish.js commit 93c994592dcf3b4b21052ab925e9b534df9c0918 browse https://github.com/nmrugg/stockfish.js/tree/93c994592dcf3b4b21052ab925e9b534df9c0918 Stockfish (the engine) repository https://github.com/official-stockfish/Stockfish release Stockfish 18 Served from this site (GPLv3 section 6(a) -- the source beside the object code) /source/stockfish.js-93c9945-source.tar.gz the complete source tree the shipped build was compiled from, engine included, 591,162 bytes sha256 ef9b6e9bd66de9869dc4715979ada23c6ab4fa96648025823a0a865f300667b2 /source/nn-9067e33176e8.nnue the neural network this build evaluates with -- named in src/lite_nets.h of the tree above as EvalFileDefaultNameBig, 6,617,595 bytes sha256 9067e33176e8c5edb7aa8db6a3aedd012f84a1f39872e86357c6c2d0993f314d (a Stockfish network is named for the first twelve characters of its own sha256, so the file verifies itself against its name) Those two together are the Corresponding Source for what this site serves. They are free, they need no email, and they do not depend on GitHub, npm or fishtest continuing to exist. The upstream links above are where they came from and are given for provenance. Licence GNU General Public License, version 3 -- /licenses/gpl-3.0.txt Written offer (GPLv3 section 6(b)) Kept as a belt and braces for the case where this site stops serving the files above. Foresight Engineering will supply the Corresponding Source for the build named here to anyone who asks, for no more than the cost of conveying it, for at least three years from the date this build was first served on beginendgame.com. Contact: zwoods@4sightengineering.com