Learn How to Spot a Mate in 1: Opening Trap
This puzzle comes from the Alekhine Defense and shows how quickly a king can be punished when the position is underdeveloped and the back rank is vulnerable. Even in an opening position, a single tactical idea can decide the game if the enemy king has limited escape squares and key defenders are overloaded. The lesson is to always check for forcing moves first, especially when your pieces already point toward the king zone.