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ECO E40: Nimzo-Indian Defense: Rubinstein System

ECO E40 is part of volume E, Indian Defenses. The Lichess chess-openings dataset files 2 named lines under it. The shortest is Nimzo-Indian Defense: Rubinstein System: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3. All of them are lines of the Nimzo-Indian Defense: Rubinstein System.

That position has come up in 1,836,342 Lichess games between players rated 1600 to 2500: White won 49.3%, 5.9% were drawn and Black won 44.8%.

OpeningMovesGamesLength
Nimzo-Indian Defense: Rubinstein System 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 1.8M 4 moves
Nimzo-Indian Defense: Rubinstein System, Taimanov Variation 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Nc6 29K 4 moves