ECO E15 · Queen's Indian Defense

Queen's Indian Defense: Fianchetto Variation

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3

abcdefgh87654321
Black to move. The arrow shows Stockfish’s best move.
Best move

4… Bb4++0.20

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

Analyze this position

In the Queen's Indian Defense: Fianchetto Variation (E15), reached after 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3, Stockfish 18 recommends 4… Bb4+ for Black. The position is roughly equal (+0.20).

Top engine moves

  1. +0.204… Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 d5 7. Bg2 O-O 8. Ne5 Bb7 9. O-O
  2. +0.204… Bb7 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 O-O 8. O-O d5 9. Ne5
  3. +0.334… Ba6 5. Qa4 c6 6. Nc3 d5 7. Ne5 dxc4 8. Bg2 b5 9. Qc2

Variations

Frequently asked questions

What is the best move in the Queen's Indian Defense: Fianchetto Variation?
After 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3, Stockfish 18 at depth 18 recommends 4… Bb4+ for Black, continuing 5. Bd2 Bxd2+ 6. Qxd2 d5 7. Bg2 O-O 8. Ne5 Bb7 9. O-O. The position is roughly equal (+0.20). The next best moves are 4… Bb7 (+0.20) and 4… Ba6 (+0.33).
Is the Queen's Indian Defense: Fianchetto Variation a good opening?
Stockfish rates the position at +0.20: 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: Fianchetto Variation?
E15. 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+).