Opening explorer

• 4.c3French Defense: Advance Variation47.0%white, 2,702 games46.6%white, 39,963 games45.4%white, 50,209 games46.2%white, 134,430 games
• 4.b4French Defense: Advance Variation, Frenkel Gambit1 named line below1 named line below1 named line below1 named line below
• 4.Qg4French Defense: Advance Variation, Nimzowitsch Attack2 named lines below2 named lines below2 named lines below2 named lines below
• 4.Nf3French Defense: Advance Variation, Nimzowitsch System45.8%white, 4,262 games44.9%white, 45,480 games43.8%white, 35,611 games42.0%white, 40,472 games
• 4.dxc5French Defense: Advance Variation, Steinitz Variation1 named line below1 named line below1 named line below1 named line 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.