ECO C42 · 47,048 games · White to move
| Move | Games | Share | White / draw / Black | Leads to |
|---|---|---|---|---|
| Nc3 | 15,918 | 33.8% | Petrov's Defense: Three Knights Game C42 | |
| Nxe5 | 15,292 | 32.5% | Petrov's Defense C42 | |
| Bc4 | 7,144 | 15.2% | Petrov's Defense: Italian Variation C42 | |
| d4 | 4,548 | 9.7% | Petrov's Defense: Modern Attack C43 | |
| d3 | 3,130 | 6.7% | ||
| c3 | 399 | 0.8% | ||
| Bd3 | 229 | 0.5% | ||
| Bb5 | 107 | 0.2% | ||
| Qe2 | 60 | 0.1% | ||
| Be2 | 45 | 0.1% | ||
| h3 | 35 | 0.1% | ||
| b3 | 21 | 0.0% |
A further 120 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.