Queen's Indian Defense: Classical Variation, Traditional Variation, Nimzowitsch Line

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 d5

Queen's Indian Defense: Classical Variation, Traditional Variation, Nimzowitsch Line after 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 d5 87654321abcdefgh

The Queen's Indian Defense: Classical Variation, Traditional Variation, Nimzowitsch Line is a chess opening classified as ECO E18, reached after 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 d5. It is a line of the Queen's Indian Defense. White is to move.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 50 times by this move order. White won 60%, 8% were drawn and Black won 32%. The most popular continuation is 8. cxd5 (38% of games).

Engine evaluation: +0.29 (Stockfish, depth 48; best line 8. Ne5 Nbd7 9. Bf4 h6 10. Rc1 c6)

ECO
E18
Moves
14 plies
FEN
rn1q1rk1/pbp1bppp/1p2pn2/3p4/2PP4/2N2NP1/PP2PPBP/R1BQ1RK1 w - - 0 8
PGN
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 d5

Analyse with Stockfish · Board image (SVG) · Open on Lichess

Results by rating

Average ratingGamesWhite / draw / Black
0-1499367%33%
1500-1999967%22%
2000+3858%34%
All5060%32%

Most played moves

MoveGamesWhite / draw / Black
8. cxd519 (38%)68%26%
8. Ne519 (38%)63%16%21%
8. b32 (4%)100%
8. Bg52 (4%)50%50%
8. Re12 (4%)100%
8. Qc22 (4%)50%50%
8. e31 (2%)100%
8. Bd21 (2%)100%

Master games

184 over-the-board games are classified under this line (White 52%, draw 22%, Black 26%). The strongest:

Search all games of the Queen's Indian Defense: Classical Variation, Traditional Variation, Nimzowitsch Line and its sub-variations

Highest-rated Lichess games

Comes from

Queen's Indian Defense: Classical Variation, Traditional Variation 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3

More Queen's Indian Defense lines (all)

Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.