ECO A50 · Queen's Indian Accelerated

Queen's Indian Accelerated

1. d4 Nf6 2. c4 b6

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

3. f3+0.58

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Queen's Indian Accelerated (A50), reached after 1. d4 Nf6 2. c4 b6, Stockfish 18 recommends 3. f3 for White. White is slightly better (+0.58).

Top engine moves

  1. +0.583. f3 Nc6 4. d5 Na5 5. e4 e5 6. a3 Nb7 7. Bd3 Nc5
  2. +0.433. Nc3 Bb7 4. Qc2 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 e6
  3. +0.433. Qc2 Bb7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 e6

All Queen's Indian Accelerated variations (0)

    Frequently asked questions

    What is the best move in the Queen's Indian Accelerated?
    After 1. d4 Nf6 2. c4 b6, Stockfish 18 at depth 18 recommends 3. f3 for White, continuing Nc6 4. d5 Na5 5. e4 e5 6. a3 Nb7 7. Bd3 Nc5. White is slightly better (+0.58). The next best moves are 3. Nc3 (+0.43) and 3. Qc2 (+0.43).
    Is the Queen's Indian Accelerated a good opening?
    Stockfish rates the position at +0.58: 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 Accelerated?
    A50. ECO codes classify chess openings from A00 to E99; A is the volume for flank openings.

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