ECO E45
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 E45.
- Nimzo-Indian Defense: St. Petersburg Variation, Fischer Variation — 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 Ba6