ECO E14 · Queen's Indian Defense

Queen's Indian Defense: Spassky System

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3

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

4… Bb7+0.03

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

Analyze this position

In the Queen's Indian Defense: Spassky System (E14), reached after 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3, Stockfish 18 recommends 4… Bb7 for Black. The position is roughly equal (+0.03).

Top engine moves

  1. +0.034… Bb7 5. Nc3 d5 6. Bd3 Bd6 7. O-O O-O 8. b3 Re8 9. Bb2
  2. +0.074… d5 5. Bd3 Bd6 6. O-O Bb7 7. Nc3 O-O 8. b3 Re8 9. Bb2
  3. +0.124… Be7 5. Bd3 d5 6. O-O O-O 7. cxd5 exd5 8. Nc3 c5 9. b3

Other move orders

  • 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7
  • 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3
  • 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 d5

Frequently asked questions

What is the best move in the Queen's Indian Defense: Spassky System?
After 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3, Stockfish 18 at depth 18 recommends 4… Bb7 for Black, continuing 5. Nc3 d5 6. Bd3 Bd6 7. O-O O-O 8. b3 Re8 9. Bb2. The position is roughly equal (+0.03). The next best moves are 4… d5 (+0.07) and 4… Be7 (+0.12).
Is the Queen's Indian Defense: Spassky System a good opening?
Stockfish rates the position at +0.03: 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: Spassky System?
E14. 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+).