ECO B40 · 60,828 games · White to move
| Move | Games | Share | White / draw / Black | Leads to |
|---|---|---|---|---|
| d4 | 32,831 | 54.0% | ||
| c3 | 8,846 | 14.5% | Sicilian Defense: Delayed Alapin Variation, with e6 B40 | |
| Nc3 | 5,212 | 8.6% | ||
| Bc4 | 4,923 | 8.1% | ||
| c4 | 1,860 | 3.1% | Sicilian Defense: Kramnik Variation B40 | |
| d3 | 1,738 | 2.9% | ||
| g3 | 1,110 | 1.8% | ||
| b3 | 981 | 1.6% | Sicilian Defense: French Variation, Westerinen Attack B40 | |
| Be2 | 814 | 1.3% | ||
| e5 | 672 | 1.1% | ||
| Bb5 | 527 | 0.9% | ||
| b4 | 469 | 0.8% | Sicilian Defense: Wing Gambit Deferred B40 |
A further 845 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.