ECO E40 · 2,843 games · Black to move
| Move | Games | Share | White / draw / Black | Leads to |
|---|---|---|---|---|
| O-O | 1,147 | 40.3% | Nimzo-Indian Defense: Normal Variation E46 | |
| b6 | 487 | 17.1% | Nimzo-Indian Defense: St. Petersburg Variation E43 | |
| c5 | 460 | 16.2% | Nimzo-Indian Defense: Rubinstein System E41 | |
| Bxc3+ | 246 | 8.7% | ||
| d5 | 219 | 7.7% | ||
| Ne4 | 165 | 5.8% | ||
| d6 | 18 | 0.6% | ||
| Nc6 | 14 | 0.5% |
A further 87 games played a rarer move, or ended right here.
Data: 4 million rated games from the Lichess open database (CC0), both players 1600+, blitz and slower. Popular is not the same as good.