Tree path 5 levels Nimzo-Indian Defense › Rubinstein System › Nimzo-Indian Defense: St. Petersburg Variation › Nimzo-Indian Defense: St. Petersburg Variation › American Variation
- Chess Codex
- Nimzo-Indian Defense E20
- Rubinstein System E40
- Nimzo-Indian Defense: St. Petersburg Variation E43
- Nimzo-Indian Defense: St. Petersburg Variation E44
- American Variation E44 you are here
Nimzo-Indian Defense: St. Petersburg Variation, American Variation
Overview
Nimzo-Indian Defense: St. Petersburg Variation, American Variation is a variation within the Indian Defenses family, indexed as ECO E44.
The Indian Defenses group covers Indian defences — hypermodern lines where Black challenges the centre with pieces rather than pawns.
The line arises from 10 plies — specifically the moves 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ne4.
It is a variation of Nimzo-Indian Defense: St. Petersburg Variation, which itself descends from the root opening Nimzo-Indian Defense.
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
- E44
- Group
- Indian Defenses (E)
- Plies
- 10
This overview is generated automatically from the opening's metadata. Know this line well? Write a description — submissions are reviewed before publishing.
Statistics from Lichess
7,499 games · White 48.4% / Draw 7.0% / Black 44.6%
| Moves | Games | W / D / B |
|---|---|---|
| Qc2 | 3,842 | |
| a3 | 1,595 | |
| Bd2 | 1,099 | |
| f3 | 580 | |
| Qb3 | 195 | |
| g3 | 91 | |
| Qd3 | 68 | |
| d5 | 14 |
Source: Lichess Opening Explorer · cached 2026-09-26 02:23:09
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