A chess web app featuring...
- chess.js (https://github.com/jhlywa/chess.js)
- stockfish.js (https://github.com/nmrugg/stockfish.js)
- User:Cburnett's chess piece images on Wikipedia (https://commons.wikimedia.org/wiki/Template:SVG_chess_pieces)
- Ka-hu's Maestro chess piece images (https://github.com/Ka-hu/chess-pieces)
- Opening data and puzzles from various free sources.