KöMaL 2005 K45
In how many different ways is it possible to place a king and a castle on the chessboard so that neither attacks the other? (The fields of the chessboard are labelled by combinations of letters and numbers in the conventional way. Two configurations count as different if at least one of the two chessmen is placed on different fields in the two cases.)
Official text KöMaL. Quoted with source.
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