Chess Opening Theory/1. f4/1...e5/2. fxe5/2...Nc6/3. d4

3.d4?
This tries to hold on to e5, but it falls for a trap and gives Black the upper hand! In Lakdawala's database, it was played 11 times, with only 5 out of 11 people found the relatively easy to find Qh4+ g3 Qxd4 with a better pawn structure for black.