2 move mate with black
f3 and g4 are poor moves: do not develop, do not fight for the center and weaken.
Lasker formulated 4 common sense opening principles:
- Only play your d- and e-pawns
- Play your knights before you play your bishops
- Do not play the same piece twice
- Do not pin opponent's king's knight with your queen's bishop
before your opponent has castled O-O
The moves f3 and g4 violate common sense opening principle #1.