( position 
   ( 4 
      (
         ( "r"  "n"  "b"  "q"  "k"  "b"  "-"  "r" )
         ( "p"  "p"  "-"  "p"  "p"  "p"  "p"  "p" )
         ( "-"  "-"  "-"  "-"  "-"  "n"  "-"  "-" )
         ( "-"  "-"  "p"  "-"  "-"  "-"  "-"  "-" )
         ( "-"  "-"  "P"  "P"  "-"  "-"  "-"  "-" )
         ( "-"  "-"  "-"  "-"  "-"  "-"  "-"  "-" )
         ( "P"  "P"  "-"  "-"  "P"  "P"  "P"  "P" )
         ( "R"  "N"  "B"  "Q"  "K"  "B"  "N"  "R" ))))