Original website can be found here: http://p4wn.sourceforge.net/.
This version is 6K engine with new graphics for better readability and
respective code changes.
- Castling is done by moving the king, rook moves automatically.
- When swapping sides computer makes its move instantly (since it's
its turn) so you may be disoriented at first and not notice it.
- May be slow/jerky with some browsers/computers