ECO E44 · Nimzo-Indian Defense

Nimzo-Indian Defense: St. Petersburg Variation, American Variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ne4

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

6. Qc2+0.48

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Nimzo-Indian Defense: St. Petersburg Variation, American Variation (E44), reached after 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ne4, Stockfish 18 recommends 6. Qc2 for White. White is slightly better (+0.48).

Top engine moves

  1. +0.486. Qc2 Bb7 7. a3 Bxc3+ 8. Nxc3 Nxc3 9. Qxc3 d6 10. d5 O-O
  2. +0.366. h4 Bb7 7. Qc2 c5 8. a3 Ba5 9. f3 Nd6 10. b3 O-O
  3. +0.356. Bd2 Nxd2 7. Qxd2 O-O 8. a3 Be7 9. d5 d6 10. dxe6 fxe6

Frequently asked questions

What is the best move in the Nimzo-Indian Defense: St. Petersburg Variation, American Variation?
After 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ne4, Stockfish 18 at depth 18 recommends 6. Qc2 for White, continuing Bb7 7. a3 Bxc3+ 8. Nxc3 Nxc3 9. Qxc3 d6 10. d5 O-O. White is slightly better (+0.48). The next best moves are 6. h4 (+0.36) and 6. Bd2 (+0.35).
Is the Nimzo-Indian Defense: St. Petersburg Variation, American Variation a good opening?
Stockfish rates the position at +0.48: 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 Nimzo-Indian Defense: St. Petersburg Variation, American Variation?
E44. 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+).