Opening guide

Nimzo-Larsen Attack after 1.b3 Nf6 2.e3

ECO A01 282,663 games Stockfish -0.16

The Nimzo-Larsen Attack begins quietly with 1.b3, inviting Black to step into a flexible queenside-fianchetto setup. After the common reply 1...Nf6, White plays 2.e3 — a modest move that keeps the position balanced while preparing Bb2. Stockfish evaluates this as -0.16 at depth 16, a tiny edge for Black — meaning the position is dead level and neither side has any reason to fear. This page breaks down what comes next, how to handle Black's most popular responses, and what the statistics reveal about your chances. Use the interactive drill below to test yourself and build confidence in this solid, underrated opening.

On this page
  1. Practice against the engine
  2. What You Are Fighting For
  3. The Engine's Best Move and Idea
  4. How to Handle Black's Most Popular Replies
  5. Where Players Go Wrong
  6. Real-game results
  7. FAQ
  8. More Nimzo-Larsen Attack lines

Play the Nimzo-Larsen Attack: Nf6 against the engine

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What You Are Fighting For

The Nimzo-Larsen Attack after 2.e3 is not a sharp, tactical weapon. Instead it aims for a flexible, positional game where White gradually develops with Bb2, Nf3, and later Be2 or Bd3 depending on Black's setup. There is no forced win, but there is also no risk — the engine gives -0.16, a microscopic edge for Black that translates to dead equality. In the Lichess database across 282,663 games from this exact position, White wins 46.2% of the time, draws 3.8%, and Black wins 50.0%. Those numbers confirm it: this is a fighting opening that leads to rich, balanced middlegames where the better player — not the opening — decides the result.

The Engine's Best Move and Idea

If you want the computer's recommendation, Stockfish suggests 2...e5. Black pushes the e-pawn two squares, claiming central space. The engine's continuation runs: 3.Bb2 Nc6 4.Nf3. White develops the bishop to the long diagonal (its natural home after 1.b3) and then brings the knight to f3 to pressure Black's centre. This is a principled, straightforward way to play. If your opponent chooses a different second move — and most do — you will still follow the same ideas: fianchetto the bishop, develop your kingside pieces, and keep a solid pawn structure. Flexibility is the strength of this opening, not memorisation.

Where Players Go Wrong

Because White's setup is so solid, mistakes in the Nimzo-Larsen Attack tend to come from overreaching or misplacing pieces rather than falling into a trap. The most common error is rushing to attack before completing development. With a 50.0% Black win rate across all games, more than half the losses come from White playing too aggressively too soon. Another frequent mistake is neglecting the centre: 1.b3 does not fight for the central squares directly, so if you delay moves like Nf3 or d4, Black can seize space with ...d5 or ...e5 and leave you cramped. Stay patient, develop your bishop to b2 on move 3, and treat this as a slow-burn positional opening — not a blitzkrieg.

Results across 282,663 Lichess games

46.2%
3.8%
50.0%
White 46.2% Draw 3.8% Black 50.0%
Most-played continuationGamesWhite wins
1 g6Main line 111,708
44.5%
2 d5 40,543
46.2%
3 e5 39,765
46.7%
4 e6 34,452
47.9%
5 Nc6 19,420
48.3%
6 d6 18,110
47.0%

Frequently asked questions

Is the Nimzo-Larsen Attack good for beginners?

Yes — it avoids long, forced lines and focuses on simple development and piece play. With 2.e3 you stay in safe territory. Stockfish rates it -0.16, dead level, so there is no risk of losing out of the opening.

What does White do after 2...g6?

Develop naturally: 3.Bb2 Bg7 4.Nf3, then castle and decide on a central break later. The database shows 111,708 games have reached this position, and White scores 44.5% — competitive but slightly below average, so stay patient.

Why does White play 2.e3 instead of 2.Bb2?

2.e3 prepares Bb2 while keeping the e2-square free for the bishop later. It also avoids some early ...e5 lines that can be tricky. The move is flexible and keeps the position balanced.

How should White handle Black playing 2...d5?

After 2...d5, play 3.Bb2 and follow with Nf3. You can later challenge the centre with c4 or d4. White scores 46.2% in these games, so treat it as a normal, equal position.