C31BlackEnd of book
Falkbeer Countergambit, Modern Transfer
King's Gambit Declined1. e4 e5 2. f4 d5 3. exd5 exf4
Also known as KGD: Falkbeer, 3.exd5 exf4, King's Gambit, Falkbeer Countergambit, Modern Transfer, King's Gambit, Falkbeer Countergambit.