This piece occured already as fairy chess piece 'Templar' in a problem composition of Bernd Schwarzkopf, published in the German magazine 'Problemkiste', No.23, 12/1984 (see
'http://www.softdecc.com/pdb/search.pdb?expression=PROBID='P1112855'' and 'http://www.softdecc.com/pdb/piecedef.pdb?id=M0000209').