The Scholar's Mate
The queen and bishop both aim at f7, which only the king defends.
Opening: Italian / King's Pawn. Set by White. Level: Beginner.
Practise setting and escaping itThe moves
1.e4 e5 2.Bc4 Nc6 3.Qh5 Nf6 4.Qxf7#
It only works after a mistake
Black must play Nf6 for it to work. Against a careful opponent the early queen move achieves little and the queen can be chased with gain of time.
How to avoid it
g6 or Qe7 defends f7.