ECO E17 · Queen's Indian Defense
Queen's Indian Defense: Classical Variation
The position after 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O.
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O
Queen's Indian Defense: Classical Variation is filed under ECO E17, a variation of Queen's Indian Defense. It is the position after 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O — 11 half-moves in, with Black to move. Named theory ends here; beyond this the position is yours to work out.