The computer might be some time before I add it, because I think a few other big updates like highlighting squares, drawing arrows, ranked play, colored themes should come first, but we'll see!
the only squares that need to be highlighted are the legal moves, and that's already done
Well Fischer wanted to play Karpov in Gothic Chess before he died.
https://nypost.com/2006/10/29/bobby-tolya-maybe-game-for-gothic/