Silicio Chess Doctor demo - Ajedrez de Silicio The interface and teaching content belong to Ajedrez de Silicio. Stockfish.js 17.1 (c) 2025 Chess.com, LLC and Stockfish contributors. GNU GPL version 3: see LICENSE.txt in this directory. Unmodified engine: stockfish-17.1-lite-single-03e3232.js / .wasm. Corresponding source and build instructions: https://github.com/nmrugg/stockfish.js/tree/602fd7e1a571a2be71f242942db90483731f2a1f https://codeload.github.com/nmrugg/stockfish.js/tar.gz/602fd7e1a571a2be71f242942db90483731f2a1f Original distribution: https://registry.npmjs.org/stockfish/-/stockfish-17.1.0.tgz