abcdefgh 8♖□■□♔□■♖8 7□♙□■□♙♙♙7 6♙□♞□■□■♘6 5□■□■♟︎♗♕■5 4■□■□■□■□4 3□■♛■□■□■3 2♟︎♟︎♟︎□♟︎□♟︎♟︎2 1♜■□■♚♝□♜1 abcdefgh B4 to C6