ECO A48 · 662 games · Black to move
| Move | Games | Share | White / draw / Black | Leads to |
|---|---|---|---|---|
| O-O | 458 | 69.2% | London System, with Be2 A48 | |
| Nbd7 | 16 | 2.4% |
A further 188 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.