ECO A01 · Nimzo-Larsen Attack

Nimzo-Larsen Attack: Classical Variation

1. b3 d5

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

2. Nf3+0.12

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

Analyze this position

In the Nimzo-Larsen Attack: Classical Variation (A01), reached after 1. b3 d5, Stockfish 18 recommends 2. Nf3 for White. The position is roughly equal (+0.12).

Top engine moves

  1. +0.122. Nf3 Nf6 3. Bb2 Bf5 4. Nh4 Bd7 5. e3 c5 6. Nf3 Nc6
  2. +0.012. Bb2 Nf6 3. Nf3 Bf5 4. e3 e6 5. Nh4 Bg4 6. Be2 Bxe2
  3. −0.032. d4 Bf5 3. e3 e6 4. Nf3 Nf6 5. Bd3 Bxd3 6. Qxd3 c5

Other move orders

  • 1. Nf3 d5 2. b3

Frequently asked questions

What is the best move in the Nimzo-Larsen Attack: Classical Variation?
After 1. b3 d5, Stockfish 18 at depth 18 recommends 2. Nf3 for White, continuing Nf6 3. Bb2 Bf5 4. Nh4 Bd7 5. e3 c5 6. Nf3 Nc6. The position is roughly equal (+0.12). The next best moves are 2. Bb2 (+0.01) and 2. d4 (−0.03).
Is the Nimzo-Larsen Attack: Classical 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-Larsen Attack: Classical Variation?
A01. 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+).