Nimzowitsch Defense Mate In 2 Puzzle (Rated 1004): Spot a Mate in 2 — Queenside Attack

This middlegame puzzle is a classic queenside attack with a forcing tactical finish. White’s king is exposed to a direct mating net, and Black’s queen activity on the a-file creates immediate threats against the king’s shelter. The key idea is to use a forcing check to drag the king into a vulnerable square, then deliver the final blow with another queen move. In practical classical chess, these patterns often arise when the defender’s pieces are overloaded and the king has too few escape squares.