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E21Opening

Nimzo-Indian Defense:Three Knights Variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3

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Black to move

Legal moves
33
Games in the next 4 moves
977,347
Different positions among them
318,309
Named lines from here
8

See it on the mapOn the opening map

It is reached after 7 moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3. It is a line of the Nimzo-Indian Defense.

Black is to move and has 33 legal moves. Over the next four moves — two for each side — the game can branch into 977,347 different games. Those games reach 318,309 different positions: most positions can be reached in more than one way, 3.1 on average.

The Lichess opening list names 8 further lines after this position, such as Korchnoi Variation (4... c5 5. d5) and St. Petersburg Variation (4... b6 5. e3 Ne4 6. Qc2).

The same moves can be played in 30 different legal orders that all reach this position. For example 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. Nf3, which starts as the English Opening.

Map of every game of the next four moves after the Nimzo-Indian Defense: Three Knights 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 977,347 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. Nc3—
  6. 3... Bb4Nimzo-Indian Defense
  7. 4. Nf3Nimzo-Indian Defense: Three Knights Variation

Named lines from here

Related openings

FEN

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