King's Indian Defense: Orthodox Variation, Bayonet Attack, Yepishin's Line
ECO E97
Move order
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. b4 Nh5 10. Qc2
Ideas
ECO E covers Indian defenses and related systems where Black fianchettoes or pressures the center from the flanks. White builds a pawn center and keeps the position more closed than after 1. e4. This entry tracks a longer branch in the opening tree. Use the diagram and SAN list to recognize the tabiya, then try the line against Maia to explore typical plans in practice.