Weakness of a Square Complex

Weak squares rarely come alone: when a pawn chain collapses, the squares of one colour fall together as a complex. The player who understands the complex does not chase individual pawns but occupies the whole network of entry squares. The chapter shows the standard invasion patterns and the small prophylactic moves that keep the complex under control.

. Having carried out the maneuver Nh2-f1-g3-f5+, White won.