ECO B10 · 238,343 games · White to move
| Move | Games | Share | White / draw / Black | Leads to |
|---|---|---|---|---|
| d4 | 124,992 | 52.4% | Caro-Kann Defense B12 | |
| Nf3 | 55,363 | 23.2% | ||
| Nc3 | 17,473 | 7.3% | Caro-Kann Defense B10 | |
| f4 | 10,813 | 4.5% | ||
| Bc4 | 10,153 | 4.3% | Caro-Kann Defense: Hillbilly Attack B10 | |
| c4 | 7,127 | 3.0% | Caro-Kann Defense: Accelerated Panov Attack B10 | |
| d3 | 5,569 | 2.3% | Caro-Kann Defense: Breyer Variation B10 | |
| c3 | 1,340 | 0.6% | ||
| e5 | 1,337 | 0.6% | ||
| Ne2 | 919 | 0.4% | ||
| g3 | 731 | 0.3% | ||
| b3 | 695 | 0.3% | Caro-Kann Defense: Euwe Attack B10 |
A further 1,831 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.