ECO E34 · Nimzo-Indian Defense

Nimzo-Indian Defense: Classical Variation, Noa Variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5

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

5. cxd5+0.12

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

Analyze this position

In the Nimzo-Indian Defense: Classical Variation, Noa Variation (E34), reached after 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5, Stockfish 18 recommends 5. cxd5 for White. The position is roughly equal (+0.12).

Top engine moves

  1. +0.125. cxd5 exd5 6. Bg5 h6 7. Bh4 g5 8. Bg3 Nc6 9. e3 h5
  2. +0.105. a3 Bxc3+ 6. Qxc3 O-O 7. Nf3 b6 8. Bg5 dxc4 9. Qxc4 Ba6
  3. +0.085. e3 O-O 6. a3 Bxc3+ 7. Qxc3 b6 8. cxd5 exd5 9. Bd3 Ba6

Other move orders

  • 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3
  • 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5
  • 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2

Variations

Frequently asked questions

What is the best move in the Nimzo-Indian Defense: Classical Variation, Noa Variation?
After 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5, Stockfish 18 at depth 18 recommends 5. cxd5 for White, continuing exd5 6. Bg5 h6 7. Bh4 g5 8. Bg3 Nc6 9. e3 h5. The position is roughly equal (+0.12). The next best moves are 5. a3 (+0.10) and 5. e3 (+0.08).
Is the Nimzo-Indian Defense: Classical Variation, Noa Variation a good opening?
Stockfish rates the position at +0.12: 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 Nimzo-Indian Defense: Classical Variation, Noa Variation?
E34. 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+).