ECO D94 · 989 games · Black to move
| Move | Games | Share | White / draw / Black | Leads to |
|---|---|---|---|---|
| O-O | 810 | 81.9% | ||
| c5 | 42 | 4.2% | ||
| Bg4 | 17 | 1.7% | ||
| c6 | 14 | 1.4% |
A further 106 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.