ECO E90 · 9,386 games · Black to move
| Move | Games | Share | White / draw / Black | Leads to |
|---|---|---|---|---|
| O-O | 7,587 | 80.8% | ||
| Bg4 | 361 | 3.8% | ||
| Nbd7 | 328 | 3.5% | ||
| Nc6 | 64 | 0.7% | ||
| c6 | 44 | 0.5% | ||
| b6 | 11 | 0.1% | ||
| c5 | 10 | 0.1% |
A further 981 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.