French Defense Exchange Variation Puzzle (Rated 1057): Win a Queen with a Discovered Attack
The dominant motif is the discovered attack — a middlegame idea where one piece moves away with tempo and reveals a hidden piece's line against a valuable target. Here Black's bishop sits directly in front of the queen, blocking a lethal diagonal. By leaving that diagonal with a forcing sacrifice, Black reveals an attack on White's queen, an exposed piece with few safe squares. This is not a mating combination; it is a crushing sequence that wins decisive material — a full queen. Alignment, weak squares near the king, and tempo decide the outcome.