Chess in 40 SecondsThe French Advance Trap
White to move. Win the queen.
Snort's queen grabbed a free pawn. Punish it.
Hint
Your queen is lined up with his. Move the bishop out of the way, with check.
Answer
Bb5+ — Bb5+! The bishop gives check, and your queen now hits his queen on d4.
The idea
A piece that blocks a line can move away with check. Then the line opens.
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.