Can pieces be assigned to longer strings than single letters?
No, because the letters are used in a FEN. Letter + punctuation would be an option. But probably not worth the trouble, as I think we already cover almost all frequently used pieces, mostly with not very non-intuitive abbreviation.
No, because the letters are used in a FEN. Letter + punctuation would be an option. But probably not worth the trouble, as I think we already cover almost all frequently used pieces, mostly with not very non-intuitive abbreviation.