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B03Opening

Alekhine Defense:Four Pawns Attack

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4

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Black to move

Legal moves
28
Games in the next 4 moves
940,129
Different positions among them
302,045
Named lines from here
7

See it on the mapOn the opening map

It is reached after 9 moves: 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4. It is a line of the Alekhine Defense.

Black is to move and has 28 legal moves. Over the next four moves — two for each side — the game can branch into 940,129 different games. Those games reach 302,045 different positions: most positions can be reached in more than one way, 3.1 on average.

The Lichess opening list names 7 further lines after this position, such as Main Line (5... dxe5 6. fxe5 Nc6 7. Be3) and Cambridge Gambit (5... g5).

The same moves can be played in 240 different legal orders that all reach this position. For example 1. d4 Nf6 2. e4 Nd5 3. e5 d6 4. c4 Nb6 5. f4, which starts as the Queen's Pawn Game.

Map of every game of the next four moves after the Alekhine Defense: Four Pawns Attack
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 940,129 games.

Move by move

  1. 1. e4King's Pawn Game
  2. 1... Nf6Alekhine Defense
  3. 2. e5—
  4. 2... Nd5Alekhine Defense: Normal Variation
  5. 3. d4Alekhine Defense
  6. 3... d6Alekhine Defense
  7. 4. c4Alekhine Defense
  8. 4... Nb6—
  9. 5. f4Alekhine Defense: Four Pawns Attack

Named lines from here

Related openings

FEN

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