Learn How to Spot Mate in 1: Scandinavian Defense
This middlegame puzzle comes from the Scandinavian Defense and shows how quickly a king can be punished when the back rank and king side are loose. White has a large material edge, but the real lesson is tactical: when the enemy queen and knight coordinate near your king, a single forcing move can end the game immediately. In classical chess, always scan for direct mating nets before considering material or quiet improvements.