The Mortimer Trap
Black to move. Win a piece.
Snort grabbed your pawn on e5. Make him pay.
Hint
Hit the bishop first. Then your queen can check from a5.
Answer
c6 — c6! The bishop must move, then Qa5+ hits the king and the knight on e5.
The idea
A knight that grabs a pawn can get forked. Kick the bishop, then check from a5.
This chess trap is one of 41 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.