Make moves with keyboard on Chess.com website!

This way of moving pieces may enhance your board vision skills; it can also be used to improve chess.com interface accessibility.

Two formats are supported now:
- algebraic (Nf3, 0-0)
- coordinate (e2e4)

Check out development roadmap in Trello: https://trello.com/b/xaiPLyB0

Chess.com Keyboard is open-source software: https://github.com/everyonesdesign/Chess-Helper