ECO E40

Nimzo-Indian Defense: Rubinstein System

Nimzo-Indian Defense: Rubinstein System is a chess opening classified under ECO E40. Its defining line here is 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3.

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

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3

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The diagram shows the position after 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3. 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

  • E41: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5

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Variations