Stockfish.js 19, npm release 19.0.1 — lite single-threaded WebAssembly build.
Engine JS and WASM are included unmodified from the published stockfish@19.0.1 package.

License: GNU General Public License version 3, supplied as COPYING.txt in this directory.
Corresponding versioned source and build instructions:
https://github.com/nmrugg/stockfish.js/tree/0d5dd7944f88c817c07a26bc4fb1905d5f9c46d6
Release tag: https://github.com/nmrugg/stockfish.js/tree/v19.0.1
Source archive:
https://github.com/nmrugg/stockfish.js/archive/refs/tags/v19.0.1.tar.gz
Exact npm package (binary provenance):
https://registry.npmjs.org/stockfish/-/stockfish-19.0.1.tgz

The published npm package's SHA-512 integrity was verified before copying these files.
Upstream Stockfish: https://github.com/official-stockfish/Stockfish
Stockfish.js copyright: Chess.com, LLC and contributors, 2026.
Stockfish copyright: T. Romstad, M. Costalba, J. Kiiski, G. Linscott and contributors.
Lite network: Chris Bao (sscg13), nn-61e7af4bb97d.
Please retain this source notice, engine copyright headers and GPL licence when distributing.
ChessPicker's adapter/UI files are separate from these unmodified engine binaries.