ECO A48 · 5,313 games · Black to move
| Move | Games | Share | White / draw / Black | Leads to |
|---|---|---|---|---|
| O-O | 2,961 | 55.7% | ||
| d6 | 1,709 | 32.2% | London System A48 | |
| d5 | 228 | 4.3% | ||
| c5 | 104 | 2.0% | ||
| Nh5 | 71 | 1.3% |
A further 240 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.