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E01Opening

Catalan Opening:Open Defense

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2

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Black to move

Legal moves
32
Games in the next 4 moves
1,215,819
Different positions among them
395,705
Named lines from here
24

See it on the mapOn the opening map

It is reached after 7 moves: 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2. It is a line of the Catalan Opening.

Black is to move and has 32 legal moves. Over the next four moves — two for each side — the game can branch into 1,215,819 different games. Those games reach 395,705 different positions: most positions can be reached in more than one way, 3.1 on average.

The Lichess opening list names 24 further lines after this position, such as Closed (4... Be7 5. Nf3) and Tarrasch Defense (4... c5 5. Nf3 Nc6).

The same moves can be played in 72 different legal orders that all reach this position. For example 1. c4 Nf6 2. d4 e6 3. g3 d5 4. Bg2, which starts as the English Opening.

Map of every game of the next four moves after the Catalan Opening: Open Defense
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 1,215,819 games.

Move by move

  1. 1. d4Queen's Pawn Game
  2. 1... Nf6Indian Defense
  3. 2. c4Indian Defense: Normal Variation
  4. 2... e6—
  5. 3. g3Catalan Opening
  6. 3... d5Catalan Opening
  7. 4. Bg2Catalan Opening: Open Defense

Named lines from here

Related openings

FEN

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