Does King's Gambit Declined: Falkbeer Countergambit, Staunton Line work for Black at All Ratings?
At All Ratings, King's Gambit Declined: Falkbeer Countergambit, Staunton Line keeps Black's wins running +5.8% ahead of its losses at worst, 90% confident, from 379K Lichess games. This gambit is effective. Win rate, draw rate and loss rate come from games played December 2023 to November 2025.