Chess Strategy DVDs
Presented by: GM Eugene Perelshteyn, FM Dennis Monokroussos and IM Mark Diesen
A pair of bishops is decidedly superior to either a bishop and a knight, or two knights. A player possessing a pair of bishops has a strategic weapon in the form of a long-term threat to trade down to an advantageous endgame.
Studies in: Bishop Pairs - Chess Lecture - Volume 170