ECO B21 · 948 games · White to move
| Move | Games | Share | White / draw / Black | Leads to |
|---|---|---|---|---|
| O-O | 766 | 80.8% | ||
| Bd2 | 33 | 3.5% |
A further 149 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.