Chess opening
Nimzo-Indian Defense: St. Petersburg VariationE43
The Nimzo-Indian Defense: St. Petersburg Variation is a chess opening classified under ECO code E43. It is reached after the moves:
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3
Play it vs Stockfish Open in analysis board
Comes from
Main continuations
- Nimzo-Indian Defense: St. Petersburg Variation (E43)
- Nimzo-Indian Defense: St. Petersburg Variation, with Ne4 (E43)
Related lines in the Nimzo-Indian Defense
- Nimzo-Indian Defense (E20)
- Nimzo-Indian Defense: Dilworth Gambit (E20)
- Nimzo-Indian Defense: Kmoch Variation (E20)
- Nimzo-Indian Defense: Mikenas Attack (E20)
- Nimzo-Indian Defense: Romanishin Variation (E20)
- Nimzo-Indian Defense: Romanishin Variation (E20)
- Nimzo-Indian Defense: Romanishin Variation, English Hybrid (E20)
- Nimzo-Indian Defense: Three Knights Variation (E21)
Train this opening
LibreChess runs Stockfish in your browser — play the Nimzo-Indian Defense against the engine at any strength, get hints, and review your game move by move afterwards. Free, no account needed. You can also add this line to your repertoire and drill it with spaced repetition.