I don't think that would work (but possibly I misunderstand!). The system cannot cope with (up to, if all 8 pawns stood on the 7th rank) 8 more pieces! The fact

I don't think that would work (but possibly I misunderstand!). The system cannot cope with (up to, if all 8 pawns stood on the 7th rank) 8 more pieces! The fact that the queen needs 1 more 'piece' already requires a certain amount of ingenuity to work around.