ECO E12 · Queen's Indian Defense

Queen's Indian Defense: Kasparov-Petrosian Variation, Romanishin Attack

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Bd2

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

7… Nd7+0.07

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

Analyze this position

In the Queen's Indian Defense: Kasparov-Petrosian Variation, Romanishin Attack (E12), reached after 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Bd2, Stockfish 18 recommends 7… Nd7 for Black. The position is roughly equal (+0.07).

Top engine moves

  1. +0.077… Nd7 8. Nxd5 exd5 9. Bf4 Be7 10. e3 c5 11. Bd3 O-O 12. O-O
  2. +0.147… Be7 8. Qc2 O-O 9. e4 Nxc3 10. Bxc3 c5 11. dxc5 Bxc5 12. Bd3
  3. +0.207… Nf6 8. Bf4 Be7 9. Qc2 c5 10. dxc5 Bxc5 11. Rd1 Nbd7 12. e4

Frequently asked questions

What is the best move in the Queen's Indian Defense: Kasparov-Petrosian Variation, Romanishin Attack?
After 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Bd2, Stockfish 18 at depth 18 recommends 7… Nd7 for Black, continuing 8. Nxd5 exd5 9. Bf4 Be7 10. e3 c5 11. Bd3 O-O 12. O-O. The position is roughly equal (+0.07). The next best moves are 7… Be7 (+0.14) and 7… Nf6 (+0.20).
Is the Queen's Indian Defense: Kasparov-Petrosian Variation, Romanishin Attack a good opening?
Stockfish rates the position at +0.07: 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: Kasparov-Petrosian Variation, Romanishin Attack?
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+).