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ECO E34: Nimzo-Indian Defense

ECO E34 is part of volume E — Indian Defenses. The Lichess chess-openings dataset files 2 named lines under it. The shortest is Nimzo-Indian Defense: Classical Variation, Noa Variation: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5.

That position has come up in 557,609 Lichess games between players rated 1600 to 2500: White won 50.4%, 6.1% were drawn and Black won 43.5%.

OpeningMovesPlies
Nimzo-Indian Defense: Classical Variation, Noa Variation 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 8
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 14