A Rook is of the value of five Pawns and a fraction, and may be exchanged for a minor Piece and two Pawns. Two Rooks may be exchanged for three minor Pieces.
-- Howard Staunton
   
Howard Staunton   Name:
Howard Staunton
Type:
Celebrity
Nationality:
English
Birth:
1810
Death:
1874
https://www.nutquote.com/quote/Howard_Staunton