Légal's Mate
White to move. Mate in 1.
You gave Snort your queen, and he took the bait. Now mate him.
Hint
One of your pieces hasn't joined the attack yet.
Answer
Nd5# — Checkmate! Three minor pieces beat the queen. The oldest trap there is.
The idea
A queen sacrifice can pay off: three small pieces can trap a king that grabs too much.
This chess trap is one of 30 quick puzzles in the Chess in 40 Seconds trainer: find the move on the board, get a hint if you're stuck, and learn the idea so you never fall for it in your own games.