ECO E52
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 E52.
- Nimzo-Indian Defense: Normal Variation, Schlechter Defense — 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 b6