E50

Nimzo-Indian Defense

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

The Nimzo-Indian Defense is a chess opening classified under ECO code E50. It is reached after the moves 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3.

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