ECO E12 · Queen's Indian Defense

Queen's Indian Defense: Kasparov-Petrosian Variation, Hedgehog Variation

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 g6

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

6. Qc2+0.63

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Queen's Indian Defense: Kasparov-Petrosian Variation, Hedgehog Variation (E12), reached after 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 g6, Stockfish 18 recommends 6. Qc2 for White. White is slightly better (+0.63).

Top engine moves

  1. +0.636. Qc2 c5 7. e4 cxd4 8. Nxd4 Nc6 9. Nxc6 Bxc6 10. Bg5 h6
  2. +0.376. Qd3 d5 7. cxd5 exd5 8. Bg5 Be7 9. h4 Nbd7 10. g3 c5
  3. +0.366. Bg5 h6 7. Bf4 Bg7 8. Qc2 Bxf3 9. exf3 O-O 10. Qd2 Nc6

Frequently asked questions

What is the best move in the Queen's Indian Defense: Kasparov-Petrosian Variation, Hedgehog Variation?
After 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 g6, Stockfish 18 at depth 18 recommends 6. Qc2 for White, continuing c5 7. e4 cxd4 8. Nxd4 Nc6 9. Nxc6 Bxc6 10. Bg5 h6. White is slightly better (+0.63). The next best moves are 6. Qd3 (+0.37) and 6. Bg5 (+0.36).
Is the Queen's Indian Defense: Kasparov-Petrosian Variation, Hedgehog Variation a good opening?
Stockfish rates the position at +0.63: white is slightly better. 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: Kasparov-Petrosian Variation, Hedgehog Variation?
E12. 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+).