alfilEtymologyBorrowed from Spanish alfil (“chess bishop”).nounA fairy chess piece that moves two squares diagonally, leaping over any intermediary pieces.“In problems with unorthodox pieces the convention is usually followed that they have appeared by promotion of pawns, though this is not sufficient in some cases (e.g. alfils and equihoppers may not be able to get to the required square from the promotion rank). […] The earliest known example of a partial rider is the Talia (meaning scout) which occurs in the Great Chess of Timur. It is a transitio”