ECO E26
ECO E00–E99 — Indian Defenses: 1.d4 Nf6 with the Nimzo-Indian, Queen's Indian, Catalan and King's Indian complexes.
1 named opening lines are classified under ECO code E26.
- Nimzo-Indian Defense: Sämisch Variation, O'Kelly Variation — 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.e3 b6