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ECO E17: Queen's Indian Defense

ECO E17 is part of volume E, Indian Defenses. The Lichess chess-openings dataset files 8 named lines under it. The shortest is Queen's Indian Defense: Traditional Variation: 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7. The most played is Queen's Indian Defense: Classical Variation, reached in 523,313 rated Lichess games.

That position has come up in 331,838 Lichess games between players rated 1600 to 2500: White won 49.7%, 7.6% were drawn and Black won 42.7%.

OpeningMovesGamesLength
Queen's Indian Defense: Traditional Variation 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 332K 5 moves
Queen's Indian Defense: Anti-Queen's Indian System 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 95K 6 moves
Queen's Indian Defense: Classical Variation 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O 523K 6 moves
Queen's Indian Defense: Euwe Variation 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. b3 17K 7 moves
Queen's Indian Defense: Fianchetto Variation, Kramnik Variation 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Re1 24K 7 moves
Queen's Indian Defense: Opocensky Variation 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Bd2 1,170 7 moves
Queen's Indian Defense: Classical Variation, Polugaevsky Gambit 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. d5 exd5 8. Nh4 34K 8 moves
Queen's Indian Defense: Classical Variation, Taimanov Gambit 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. d5 exd5 8. Nd4 2,348 8 moves