E37 Indian defenses

Nimzo-Indian Defense: Classical Variation, Modern Variation

Nimzo-Indian Defense: Classical Variation, Modern Variation is an ECO E37 opening in the indian defenses family. Study the line, review related variations, and practice the move order.

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Learn this opening

E37 study line

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Step through the line, then test it from memory.

The Nimzo-Indian Defense: Classical Variation, Modern Variation reaches a named position after 7 moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5

In practical games, this line matters because the early pawn and piece choices decide which middlegame plans are natural. Use the board above to learn the move order, then run the drill without hints before adding the opening to your regular queue.

If this exact branch does not appear in your games, study the related variations below. Openings often transpose, and recognizing the family pattern is more useful than memorizing one narrow sequence.