Their functions remain the same, although neither Rooks or Pawns are seen. The value of pawns, rooks and, to a lesser extent, bishops may increase. Causal reasoning has also been observed in rooks and New Caledonian crows. The game portrays foot soldiers, knights, kings, queens, bishops, and rooks. Rooks, bishops, and knights move as they do in chess in any given plane. Two rooks are better than a queen and pawn . Two rooks plus one pawn versus a queen is also generally drawn. Similar ideas apply to placing rooks on open files and knights on active, . The starting position had kings at f1/f8 and h-side rooks at g1/g8. Chess rooks frequently occur as heraldic charges. Rooks and the queen are called "major pieces". Three minor pieces are almost as strong as two rooks . The enemy king's own pieces (in this example, rooks) block its means of escape. The trees of the park are home to a large colony of rooks. It stars Shashi Kapoor and was directed by Conrad Rooks.