ECO volume E: Indian defenses

ECO E34

2 named openings and variations are classified as E34. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.

Nimzo-Indian Defense: Classical Variation, Belyavsky GambitE341. 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 VariationE341. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5