ECO E17 · Queen's Indian Defense

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

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Black to move. The arrow shows Stockfish’s best move.
Best move

8… Nc6+0.06

The position is roughly equal. Stockfish 18, depth 18.

Analyze this position

In the Queen's Indian Defense: Classical Variation, Taimanov Gambit (E17), reached after 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, Stockfish 18 recommends 8… Nc6 for Black. The position is roughly equal (+0.06).

Top engine moves

  1. +0.068… Nc6 9. cxd5 Nxd4 10. Qxd4 Bc5 11. Qd3 Re8 12. Nc3 a5 13. b3
  2. +0.228… Bc6 9. cxd5 Bxd5 10. Bxd5 Nxd5 11. Nf5 Nf6 12. Nc3 Bb4 13. Qd3
  3. +0.458… c6 9. cxd5 cxd5 10. Nf5 Na6 11. Bg5 Bc5 12. Nc3 Nc7 13. Rc1

Frequently asked questions

What is the best move in the Queen's Indian Defense: Classical Variation, Taimanov Gambit?
After 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, Stockfish 18 at depth 18 recommends 8… Nc6 for Black, continuing 9. cxd5 Nxd4 10. Qxd4 Bc5 11. Qd3 Re8 12. Nc3 a5 13. b3. The position is roughly equal (+0.06). The next best moves are 8… Bc6 (+0.22) and 8… c6 (+0.45).
Is the Queen's Indian Defense: Classical Variation, Taimanov Gambit a good opening?
Stockfish rates the position at +0.06: the position is roughly equal. Evaluations this early in the game are small, so practical results depend far more on knowing the plans and typical structures than on the engine's number.
What is the ECO code of the Queen's Indian Defense: Classical Variation, Taimanov Gambit?
E17. ECO codes classify chess openings from A00 to E99; E is the volume for indian defenses.

Opening names from the Lichess opening book (CC0). Pieces by Colin M.L. Burnett (GPLv2+).