Learn How to Spot: Mate in 4
This middlegame puzzle comes from a Queen’s Pawn Game London System structure where king safety outweighs material. White’s attack works because the black king is exposed, the g-pawn has loosened the king shelter, and active queen and bishop coordination creates a forcing mating net. In classical chess, these positions often reward direct calculation over slow improvement, especially when the defender’s pieces are awkward and the king has few safe squares.