Openings/Nimzo-Indian Defense
Nimzo-Indian Defense: St. Petersburg Variation E43
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Ne4 5. Qc2 f5 6. Nf3 b6 7. Bd3 Bb7
194 tournament games from this position · White wins 34%, draws 31%, Black wins 35%
Moves
| Move | Games | White · Draw · Black | Elo | Last |
|---|---|---|---|---|
| O-O | 161 | 37% 31% 32% | 2311 | 2026 |
| Bd2 | 14 | 36% 14% 50% | 2128 | 2025 |
| a3 | 14 | 14% 43% 43% | 2089 | 2026 |
| Nd2 | 4 | 75% 25% | 2374 | 2025 |
| Ke2 | 1 | 100% | 1912 | 2015 |
Top games
| Caruana, F2802–So, W2788 | 1-0 | Vugar Gashimov Mem 2015 | 2015 |
| Vitiugov, N2712–Anand, V2783 | ½-½ | Alekhine Mem | 2013 |
| Wang Hao2710–Ivanchuk, V2704 | 1-0 | SportAccord Basque 2014 | 2014 |
| Wang Yue2699–Bu Xiangzhi2710 | ½-½ | TCh-CHN 2017 | 2017 |
| Wei Yi2729–Ma Qun2645 | ½-½ | CHN Team Asian Games Q2 | 2022 |
| Wang Hao2729–Amin, B2635 | 1-0 | FIDE World Rapid 2014 | 2014 |
| Riazantsev, A2651–Khismatullin, D2617 | 1-0 | ch-RUS Blitz 2016 | 2016 |
| Bukavshin, I2553–Alekseev, Evgeny2707 | ½-½ | Chigorin Memorial | 2013 |
| Hammer, J2651–Parligras, M2595 | ½-½ | 42nd Olympiad 2016 | 2016 |
| Tari, A2556–Almasi, Z2684 | 1-0 | Gibraltar Masters 2016 | 2016 |
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