ECO E20

Nimzo-Indian Defense

Nimzo-Indian Defense is a chess opening classified under ECO E20. Its defining line here is 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4.

Nimzo-Indian Defense — board position♜♞♝♛♚♜♟♟♟♟♟♟♟♟♞♝♟♟♞♟♟♟♟♟♟♜♝♛♚♝♞♜

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

Explore this opening ▸Add to my repertoireOpen in analysis

The diagram shows the position after 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4. Play through it move by move in the interactive explorer.

Opening name, ECO code, and main line come from the Lichess open chess openings dataset.

Other catalogued lines with this name

  • E50: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3

Variations