Opening explorer

• 3.Bc4Petrov's Defense: Italian Variation51.2%white, 48,221 games52.0%white, 104,420 games51.5%white, 57,749 games49.7%white, 72,970 games
• 3.Nxe5Petrov's Defense56.5%white, 40,743 games52.3%white, 86,607 games49.3%white, 52,195 games49.6%white, 82,952 games
• 3.Qe21 line through here1 named line below1 named line below1 named line below1 named line below
• 3.Nc3Petrov's Defense: Three Knights Game52.7%white, 72,984 games51.4%white, 154,188 games50.1%white, 88,760 games49.2%white, 124,511 games
• 3.d4Petrov's Defense: Modern Attack10 named lines below10 named lines below10 named lines below10 named lines below

Moves come from the 3,810 lines we replayed and validated. Win rates exist for the 314 we sync statistics for, so the deeper you go the more often you will see a name without a number.