Chess! is a free light-weight HTML5 app. Play against one of the three different AI opponents or local multiplayer :)
Features:
- Local multiplayer
- Singleplayer versus AI
- Pawn promotion
- Castling
- Highlighting valid moves
Let me know in the reviews if you would like a feature added, I will read and answer :)
Fellow front-enders can find the source here: https://github.com/HerrEmil/chess
Feel free to copy and tinker with any part of the code. Pull requests are most welcome!