ECO E11 · 627 games · Black to move
| Move | Games | Share | White / draw / Black | Leads to |
|---|---|---|---|---|
| O-O | 220 | 35.1% | ||
| b6 | 130 | 20.7% | ||
| d5 | 110 | 17.5% | ||
| c5 | 72 | 11.5% | ||
| Qe7 | 22 | 3.5% | ||
| a5 | 14 | 2.2% | ||
| Ne4 | 12 | 1.9% |
A further 47 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.