Learn How to Spot Mate in 2: Pawn Promotion
This puzzle is a classic example of a forcing mating net built around pawn promotion and a collinear attack. Even though White is materially ahead, the key idea is not to win more material but to use the enemy king’s exposed position and the advanced pawn on the g-file to create an unavoidable finish. The queen sacrifice is the trigger that clears the path for promotion and turns the position into a direct mate in 2.