Tree path 4 levels Nimzo-Indian Defense › Rubinstein System › Nimzo-Indian Defense: Normal Variation › Nimzo-Indian Defense
- Chess Codex
- Nimzo-Indian Defense E20
- Rubinstein System E40
- Nimzo-Indian Defense: Normal Variation E46
- Nimzo-Indian Defense E50 you are here
Nimzo-Indian Defense
Overview
Nimzo-Indian Defense is a named branch in the Indian Defenses group of chess theory, classified under ECO E50.
The Indian Defenses group covers Indian defences — hypermodern lines where Black challenges the centre with pieces rather than pawns.
It begins with 9 plies and takes 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 to reach the canonical position.
In the opening tree, this line branches off from Nimzo-Indian Defense: Normal Variation, part of the broader Nimzo-Indian Defense system.
It continues primarily into one named line, Normal Variation, Ragozin Variation.
Together the deeper variations number 2 across the full subtree.
Use the board to walk through every move, check how the position has scored on Lichess, or take it head-to-head against Stockfish.
- ECO code
- E50
- Group
- Indian Defenses (E)
- Plies
- 9
- Direct variations
- 1
- Total in subtree
- 2
This overview is generated automatically from the opening's metadata. A more detailed, human-written description is on the way — and you can speed it up by suggesting one yourself.
Statistics from Lichess
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Source: Lichess Opening Explorer · cached
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