Tree path 8 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 › 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
- 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 named branch in the Indian Defenses group of chess theory, classified under ECO E43.
The Indian Defenses group covers Indian defences — hypermodern lines where Black challenges the centre with pieces rather than pawns.
The line arises from 18 plies — specifically the moves 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O c5 8. Na4 cxd4 9. a3 Be7.
In the opening tree, this line branches off from Nimzo-Indian Defense: St. Petersburg Variation, part of the broader Nimzo-Indian Defense system.
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
- E43
- Group
- Indian Defenses (E)
- Plies
- 18
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
180 games · White 57.2% / Draw 5.0% / Black 37.8%
| Moves | Games | W / D / B |
|---|---|---|
| exd4 | 176 | |
| Nxd4 | 4 |
Source: Lichess Opening Explorer · cached 2026-09-26 03:21:49
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