ECO C21 · 8,185 games · Black to move
| Move | Games | Share | White / draw / Black | Leads to |
|---|---|---|---|---|
| Nc6 | 4,203 | 51.4% | Scotch Game C44 | |
| c5 | 1,515 | 18.5% | Center Game: Kieseritzky Variation C21 | |
| d5 | 592 | 7.2% | ||
| d6 | 565 | 6.9% | Philidor Defense: Exchange Variation C41 | |
| Bc5 | 409 | 5.0% | ||
| Nf6 | 319 | 3.9% | Petrov's Defense: Modern Attack C43 | |
| Bb4+ | 264 | 3.2% | ||
| Qe7 | 60 | 0.7% | ||
| d3 | 55 | 0.7% | ||
| g6 | 36 | 0.4% | ||
| Be7 | 36 | 0.4% | ||
| f5 | 17 | 0.2% |
A further 114 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.