All Chess Positions Open the map

D00Opening

Queen's Pawn Game:Accelerated London System

1. d4 d5 2. Bf4

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Black to move

Legal moves
27
Games in the next 4 moves
739,714
Different positions among them
248,922
Named lines from here
4

See it on the mapOn the opening map

It is reached after 3 moves: 1. d4 d5 2. Bf4. It is a line of the Queen's Pawn Game.

Black is to move and has 27 legal moves. Over the next four moves — two for each side — the game can branch into 739,714 different games. Those games reach 248,922 different positions: most positions can be reached in more than one way, 3 on average.

The Lichess opening list names 4 further lines after this position, such as Steinitz Countergambit (2... c5).

No other order of these moves reaches this position: each move depends on the one before.

Map of every game of the next four moves after the Queen's Pawn Game: Accelerated London System
Every game of the next four moves from this position, as the map draws it. Each ring is one more move; the outer ring holds all 739,714 games.

Move by move

  1. 1. d4Queen's Pawn Game
  2. 1... d5Queen's Pawn Game
  3. 2. Bf4Queen's Pawn Game: Accelerated London System

Named lines from here

Related openings

FEN

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