Tree path 3 levels Nimzo-Indian Defense › Three Knights Variation › Nimzo-Indian Defense: St. Petersburg Variation
- Chess Codex
- Nimzo-Indian Defense E20
- Three Knights Variation E21
- 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 specific line in the Indian Defenses family (ECO E43), 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.
The line arises from 11 plies — specifically the moves 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Ne4 6. Qc2.
The line refines Nimzo-Indian Defense: Three Knights Variation, which traces back to the root opening Nimzo-Indian Defense.
It continues primarily into one named line, Nimzo-Indian Defense: St. Petersburg 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
- E43
- Group
- Indian Defenses (E)
- Plies
- 11
- Direct variations
- 1
This overview is generated automatically from the opening's metadata. A more detailed, human-written description is on the way — and you can speed it up by suggesting one yourself.
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