Chess Opening Theory/1. e4/1...e5/2. f4/2...d5

= Falkbeer Countergambit = With 2...d5 Black signals an intent to maintain an active position. White challenges the center with options of developing quickly. White normally now chooses to take the pawn on d5.
 * 3. exd5 The normal White response leading to a scramble of control of the d5,e4 and e5 squares.
 * 3. Nf3 Developing the Knight and controlling the h4 square to prevent Black's Queen check.
 * 3. fxe5?? is a blunder as ...Qh4+! 4. g3 Qxe4+ 5. Qe2 Qxh1 is most embarrassing.

Theory table

 * 1. e4 e5 2. f4 d5