King's Indian Defense: Fianchetto Variation, Classical Main Line

An entry in the Encyclopedia of Chess Openings (ECO E69), reached after 17 half-moves: 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. h3.

Black rook — Use ← → arrows or click moves to step through.

Black bishop — Use ← → arrows or click moves to step through.

End of this line

No further variations branch from this position in our database. To explore neighbouring ideas:

About this opening

King's Indian Defense: Fianchetto Variation, Classical Main Line is an opening in the Encyclopedia of Chess Openings, classified under code E69. ECO group E (E00–E99) covers Indian defences against 1.d4, covering the Nimzo-Indian, Queen's Indian, King's Indian and Catalan systems. This particular variation is reached after 17 half-moves from the starting position, with the move sequence 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. h3.

It belongs to the King's Indian Defense family. Within that family this is a level-2 branch (the Fianchetto Variation → Classical Main Line line). The immediate parent line is King's Indian Defense: Fianchetto Variation, transitioned via 9.h3.

The opening sequence in prose form: 1.d4 Nf6, 2.c4 g6, 3.Nf3 Bg7, 4.g3 O-O, 5.Bg2 d6, 6.O-O Nbd7. From this position the encyclopaedia records no further canonical continuations — practical play branches into unnamed transpositions or returns to the parent line for alternative ideas.