Copyright & Licenses
© 2026 GM Chess Software. All rights reserved regarding the bespoke UI code.
Third-Party Attributions:
- Stockfish: Licensed under GNU GPLv3. The official Stockfish javascript port is used exclusively via CDN.
- chess.js: By jhlywa. Licensed under standard open source BSD guidelines.
- Chess Pieces (SVG): Public Domain (Wikimedia Commons standard vector set).