Know the Terrain Vol. 5: The Philidor StructureThe information explosion has led to a massive increase in opening theory. But how often do you win a game with a prepared line? What gives strong players the edge over their opponents is not some blockbuster novelty, but a deep understanding of the pawn structures to which their openings lead an understanding that lasts into the middlegame and endgame, and is transferable between different openings with similar structures. In this DVD, Sam Collins