Keys "s"=save "l"=load "b"=back once
Pieces (but not pawns or kings) move according to their supporting units. Unmoved supporting units do not transfer power. I allowed castling if the rook can move as a rook. There are groups and a newsletter in India.
The inventor is Raja Ravisekhar, India's great chess master and teacher.
These are simple illustrations rather than strong opponents.
Bug reports? -- Thank you! Keep them coming!