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ECO E53: Nimzo-Indian Defense: Normal Variation

ECO E53 is part of volume E, Indian Defenses. The Lichess chess-openings dataset files 3 named lines under it. The shortest is Nimzo-Indian Defense: Normal Variation, Gligoric System: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5. All of them are lines of the Nimzo-Indian Defense: Normal Variation.

That position has come up in 152,968 Lichess games between players rated 1600 to 2500: White won 47.8%, 6.1% were drawn and Black won 46.1%.

OpeningMovesGamesLength
Nimzo-Indian Defense: Normal Variation, Gligoric System 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 153K 6 moves
Nimzo-Indian Defense: Normal Variation, Gligoric System 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nbd7 9,220 7 moves
Nimzo-Indian Defense: Normal Variation, Gligoric System, Keres Variation 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O b6 4,882 7 moves