If both pieces are on the same rank: by (a) the first letter of the name of the piece, (b) the rank file of the square of departure, and (c) the square of arrival.
Uma izingcezu ezimbili zikukholamu efanayo: ngu-a) uhlamvu lokuqala lwegama locezu, b) umugqa wendawo lapho usuka khona, kanye c) nendawo yokufika