All Chess Positions Open the map

D17Opening

Slav Defense:Czech Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5

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White to move

Legal moves
34
Games in the next 4 moves
1,684,320
Different positions among them
527,756
Named lines from here
12

See it on the mapOn the opening map

It is reached after 10 moves: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5. It is a line of the Slav Defense.

White is to move and has 34 legal moves. Over the next four moves — two for each side — the game can branch into 1,684,320 different games. Those games reach 527,756 different positions: most positions can be reached in more than one way, 3.2 on average.

The Lichess opening list names 12 further lines after this position, such as Krause Attack (6. Ne5) and Classical System (6. e3).

The same moves can be played in 2,232 different legal orders that all reach this position. For example 1. d4 Nf6 2. c4 d5 3. Nf3 c6 4. Nc3 dxc4 5. a4 Bf5, which starts as the Indian Defense.

Map of every game of the next four moves after the Slav Defense: Czech Variation
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 1,684,320 games.

Move by move

  1. 1. d4Queen's Pawn Game
  2. 1... d5Queen's Pawn Game
  3. 2. c4Queen's Gambit
  4. 2... c6Slav Defense
  5. 3. Nf3Slav Defense: Modern Line
  6. 3... Nf6—
  7. 4. Nc3Slav Defense: Three Knights Variation
  8. 4... dxc4Slav Defense: Two Knights Attack
  9. 5. a4Slav Defense: Alapin Variation
  10. 5... Bf5Slav Defense: Czech Variation

Named lines from here

Related openings

FEN

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