E10

Indian Defense: Anti-Nimzo-Indian

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Overview

Indian Defense: Anti-Nimzo-Indian is one of the foundational chess openings, sitting at the root of an entire branch of theory under ECO code Indian Defenses in the E10 group.

The Indian Defenses group covers Indian defences — hypermodern lines where Black challenges the centre with pieces rather than pawns.

It begins with 5 plies and takes 1. d4 Nf6 2. c4 e6 3. Nf3 to reach the canonical position.

It is the root of 17 named variations, with Blumenfeld Countergambit, Bogo-Indian Defense, Bogo-Indian Defense: Retreat Variation, and others among the most studied.

Counted recursively, this branch covers 87 sub-variations at all depths.

Step through the moves on the interactive board below, review the live Lichess statistics, or play this position against Stockfish at one of six difficulty levels.

ECO code: E10
Group: Indian Defenses (E)
Plies: 5
Direct variations: 17
Total in subtree: 87

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Statistics from Lichess

10,145,180 games · White 49.6% / Draw 6.5% / Black 43.9%

Moves	Games	W / D / B
d5	4,252,260
b6	2,110,667
Bb4+	1,997,651
c5	1,061,846
Be7	328,195
c6	102,855
d6	69,669
g6	56,763

Source: Lichess Opening Explorer · cached 2026-09-26 01:15:04

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Variations (17)

Show all 87 sub-variations (full subtree)

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