That would not be considered a problem in Chess960, so why should it be considered a problem here? Just treat them as Fischer castlings. The Interactive Diagram I made for this does allow you to move the King on top of the Rook, and interprets that as a castling.
That would not be considered a problem in Chess960, so why should it be considered a problem here? Just treat them as Fischer castlings. The Interactive Diagram I made for this does allow you to move the King on top of the Rook, and interprets that as a castling.