Openings/Nimzo-Indian Defense
Nimzo-Indian Defense: St. Petersburg Variation E43
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O c5
512 tournament games from this position · White wins 28%, draws 36%, Black wins 36%
Moves
| Move | Games | White · Draw · Black | Elo | Last |
|---|---|---|---|---|
| Na4 | 282 | 29% 39% 32% | 2460 | 2026 |
| Bd2 | 88 | 24% 39% 38% | 2381 | 2026 |
| a3 | 77 | 18% 26% 56% | 2280 | 2026 |
| Re1 | 28 | 36% 43% 21% | 2528 | 2026 |
| Qe2 | 24 | 46% 17% 38% | 2342 | 2026 |
| dxc5 | 5 | 40% 20% 40% | 2217 | 2025 |
| Nb5 | 4 | 25% 50% 25% | 2364 | 2025 |
| Ne2 | 2 | 50% 50% | 1975 | 2022 |
| d5 | 1 | 100% | 2223 | 2017 |
| Rb1 | 1 | 100% | 2139 | 2017 |
Top games
| Mamedyarov, S2800–Karjakin, Sergey2781 | 0-1 | GCT Blitz Paris 2017 | 2017 |
| Bruzon Batista, L2706–Carlsen, M2848 | ½-½ | Cuadrangular UNAM 2012 | 2012 |
| Harikrishna, P2763–Aronian, L2784 | ½-½ | 4th Norway Chess 2016 | 2016 |
| Wang Hao2752–Kamsky, G2763 | 1-0 | FIDE GP Beijing | 2013 |
| Sarana, A2679–Erigaisi, Arjun2799 | 0-1 | Chennai GM 2024 | 2024 |
| Robson, R2702–Caruana, F2766 | ½-½ | American Cup Champ | 2023 |
| Wang Hao2735–Kamsky, G2721 | 1-0 | SportAccord Blitz Men 2013 | 2013 |
| Laznicka, V2662–Yu Yangyi2765 | 1-0 | 43rd Olympiad 2018 | 2018 |
| Wang Hao2710–Bu Xiangzhi2707 | 1-0 | 4th Chinese Rapid Masters | 2014 |
| Deac, Bogdan-Daniel2680–Firouzja, Alireza2737 | ½-½ | Superbet ROM Classic 2024 | 2024 |
Nimzo-Indian Defense variations
Nimzo-Indian DefenseE20Dilworth GambitE20Kmoch VariationE20Romanishin VariationE20Sämisch VariationE24Rubinstein SystemE40Mikenas AttackE20Three Knights VariationE21Spielmann VariationE22Leningrad VariationE30Classical VariationE32Rubinstein SystemE41St. Petersburg VariationE43Classical Variation, Noa VariationE34Classical Variation, Berlin VariationE38Rubinstein System, Taimanov VariationE40Normal VariationE46Classical Variation, Zurich VariationE33Three Knights Variation, Korchnoi VariationE21Classical Variation, Noa VariationE36Rubinstein System, Rubinstein VariationE42St. Petersburg VariationE44Reshevsky VariationE46Normal VariationE47