Tree path 4 levels Nimzo-Indian Defense › Rubinstein System › Nimzo-Indian Defense: St. Petersburg Variation › Nimzo-Indian Defense: St. Petersburg Variation
- Chess Codex
- Nimzo-Indian Defense E20
- Rubinstein System E40
- Nimzo-Indian Defense: St. Petersburg Variation E43
- Nimzo-Indian Defense: St. Petersburg Variation E44 you are here
Nimzo-Indian Defense: St. Petersburg Variation
Overview
Nimzo-Indian Defense: St. Petersburg Variation is a specific line in the Indian Defenses family (ECO E44), arising from a recognised theoretical position.
The Indian Defenses group covers Indian defences — hypermodern lines where Black challenges the centre with pieces rather than pawns.
It is reached after 9 plies of play, with the move sequence 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2.
The line refines Nimzo-Indian Defense: St. Petersburg Variation, which traces back to the root opening Nimzo-Indian Defense.
The line splits into 3 documented sub-systems: American Variation, Fischer Variation, Romanishin–Psakhis Variation.
Explore the position on the interactive board, study its real-world results from Lichess, and challenge the engine when you are ready.
- ECO code
- E44
- Group
- Indian Defenses (E)
- Plies
- 9
- Direct variations
- 3
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
80,325 games · White 50.8% / Draw 6.9% / Black 42.3%
| Moves | Games | W / D / B |
|---|---|---|
| Bb7 | 51,237 | |
| Ba6 | 13,464 | |
| c5 | 5,586 | |
| Ne4 | 5,502 | |
| O-O | 3,525 | |
| d5 | 540 | |
| Nc6 | 185 | |
| Bxc3+ | 118 |
Source: Lichess Opening Explorer · cached 2026-09-26 02:10:24
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