Nimzo-Larsen Attack

Chess opening · ECO A01 · 1 half-move

1. b3

The Nimzo-Larsen Attack is reached after 1. b3. It is Black's move in the position shown.

How often it is played

The Nimzo-Larsen Attack and its variations appeared in 1.7% of games — 50,377 of 3,000,000 rated games sampled from Lichess in September 2026. That makes it number 27 of the openings listed here.

Results

White won 51%, 3.6% were drawn and Black won 46%. These are games between players of every strength and time control, so they say how the opening does in practice rather than how sound it is.

What the engine thinks

Stockfish, at depth 18, evaluates the position at -0.17 — which is level. Positive numbers favour White; see reading the evaluation bar.

Similar openings

The most-played alternatives — what else could have been chosen around the move where this opening begins.

OpeningMovesShare of games
King's Pawn Game1. e459%
Queen's Pawn Game1. d426%
English Opening1. c43.0%

Main continuations

VariationMovesShare of games
Nimzo-Larsen Attack: Modern Variation1. b3 e50.44%
Nimzo-Larsen Attack: Classical Variation1. b3 d50.44%
Nimzo-Larsen Attack: Indian Variation1. b3 Nf60.18%
Nimzo-Larsen Attack: English Variation1. b3 c50.11%
Nimzo-Larsen Attack: Symmetrical Variation1. b3 b60.05%
Nimzo-Larsen Attack: Dutch Variation1. b3 f50.02%
Nimzo-Larsen Attack: Polish Variation1. b3 b50.00%

Check your own games

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