Learn How to Spot Mate in 2: Tactical Refutation
This middlegame puzzle comes from the English Opening and shows how quickly an exposed king can be punished when the opponent’s pieces are active and the center is unstable. The key idea is a tactical refutation: a forcing move that creates immediate threats, limits the king’s escape squares, and turns piece activity into a direct mating net. Even when material is roughly balanced, king safety can outweigh everything else in classical chess.