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ECO E34

ECO E00–E99 — Indian Defenses: 1.d4 Nf6 with the Nimzo-Indian, Queen's Indian, Catalan and King's Indian complexes.

2 named opening lines are classified under ECO code E34.

Nimzo-Indian Defense: Classical Variation, Belyavsky Gambit — 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.cxd5 Qxd5 6.Nf3 Qf5 7.Qd1 e5
Nimzo-Indian Defense: Classical Variation, Noa Variation — 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5