Stockfish.js 18 corresponding source information ================================================ Opening Lab distributes these unmodified files from npm package stockfish@18.0.8: 5243fd9b276cab7dfe3ad1d43ab9ead73568fac76468c614242977a210c4a391 stockfish-18-lite-single.js a8fbc05ec6920b56d7485826dcb02c5ffd2826bcbf751cf973046f237a9096f1 stockfish-18-lite-single.wasm The package identifies the engine build as Stockfish 18 and links the matching upstream release assets and source: https://github.com/nmrugg/stockfish.js/releases/tag/v18.0.0 https://github.com/nmrugg/stockfish.js/tree/v18.0.0 That build is based on official Stockfish commit cb3d4ee: https://github.com/official-stockfish/Stockfish/tree/cb3d4ee The exact npm package is available at: https://www.npmjs.com/package/stockfish/v/18.0.8 Opening Lab does not modify the distributed JavaScript or WebAssembly files.