King's Indian and Old Indian

A defense to d4 in which Black allows White to build a large pawn center and later challenges it with moves such as ...e5 or ...c5.

A major King's Indian line where White builds a broad center while Black prepares pawn advances that attack it.

A closed King's Indian line where White advances on the side where the queen began and Black advances on the side where the king began.

A King's Indian branch where White rapidly advances pawns on the side where the queen began.

A King's Indian variation where White locks the center before securing the king and tries to restrict Black's play.

A King's Indian system where White moves the bishop beside the queen out before deciding whether to lock the center.

A King's Indian variation where White plays f3 to reinforce e4 and prepare an aggressive expansion.

A Black formation against the Sämisch that prepares expansion and pressure on the side where the queens began.

A King's Indian variation where White develops the bishop to g2 for king safety and long-range pressure.

A variation where White places pawns on c4, d4, e4, and f4 to gain major space and dominate the center.

A King's Indian variation where White actively places the queenside bishop to restrain Black's central pawn advance.

A King's Indian variation where White advances the h-pawn early to control a square used by Black's knight.

A queen-pawn defense where Black builds a compact setup, prepares a central challenge with the e-pawn, and commonly develops the king-side bishop to e7.