French Defense Discovered Check Puzzle (Rated 1302): Spot a Mate in 1 — French Defense

This French Defense puzzle is a classic middlegame tactical finish where the king is exposed and the position collapses under direct pressure. Even with material on White’s side, the key lesson is that king safety can outweigh everything else when the enemy monarch is stuck in the center and the pawn shield is weakened. The winning idea comes from recognizing a forcing move that creates an immediate mating net, not from improving position gradually.