Fairy chess piece movement. Combining multiple movement letters into a string means the piece can use any of the available options. For example, WF describes a king, capable of moving one space orthogonally or diagonally. Standard chess pieces except pawns (which are particularly complex) and knights (which are a basic leap movement) have their own letters available; K = WF, Q = WWFF, B = FF, R = WW. All mentioned capitals refer to a maximally symmetric set of moves that can be used for both moving and capturing. Lowercase letters in front of the capital letters modify the component, usually restricting the
Dabbaba (chess) other pieces usually masks this weakness to some extent. Bibliography Dabbaba (chess) A dabbaba (or dabaaba, dabbabah) is a fairy chess piece that jumps two squares orthogonally (the directions a chess rook can move), leaping over any intermediate piece. In notation, it is given the symbol D. The dabbaba is a very old piece, appearing in some very early chess variants, such as Tamerlane chess. The name "dabbaba" (Arabic: دَبَّابَة) means "tank (vehicle)" in Modern Arabic. In older Arabic, it referred to a type of medieval siege engine designed to shelter men who are digging a hole in enemy fortifications