Tree path 7 levels Nimzo-Indian Defense › Rubinstein System › Nimzo-Indian Defense: St. Petersburg Variation › Nimzo-Indian Defense: St. Petersburg Variation › Nimzo-Indian Defense: St. Petersburg Variation › 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 E43
- Nimzo-Indian Defense: St. Petersburg Variation E43
- Nimzo-Indian Defense: St. Petersburg Variation E43
- Nimzo-Indian Defense: St. Petersburg Variation E43 you are here
Nimzo-Indian Defense: St. Petersburg Variation
Overview
Nimzo-Indian Defense: St. Petersburg Variation is a variation within the Indian Defenses family, indexed as ECO E43.
The Indian Defenses group covers Indian defences — hypermodern lines where Black challenges the centre with pieces rather than pawns.
It is reached after 14 plies of play, with the move sequence 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O c5.
It is a variation of Nimzo-Indian Defense: St. Petersburg Variation, which itself descends from the root opening Nimzo-Indian Defense.
It continues primarily into one named line, Nimzo-Indian Defense: St. Petersburg Variation.
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
- E43
- Group
- Indian Defenses (E)
- Plies
- 14
- Direct variations
- 1
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
20,364 games · White 47.1% / Draw 5.6% / Black 47.4%
| Moves | Games | W / D / B |
|---|---|---|
| a3 | 8,685 | |
| Bd2 | 2,145 | |
| Qe2 | 1,542 | |
| Qc2 | 1,271 | |
| Na4 | 1,215 | |
| Re1 | 1,089 | |
| Ne2 | 954 | |
| d5 | 882 |
Source: Lichess Opening Explorer · cached 2026-09-26 03:01:51
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