ECO A13 · 962 games · White to move
| Move | Games | Share | White / draw / Black | Leads to |
|---|---|---|---|---|
| O-O | 866 | 90.0% | English Opening: Agincourt Defense, Neo-Catalan Declined A14 |
A further 96 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.