Learn How to Underpromote: Advanced Pawn Tactic
This chess puzzle is a classic advanced pawn lesson: the passed pawn is one step from promotion, but the strongest move is not always to queen. In practical classical chess, the right promotion choice can create a forcing check, win material, and expose the enemy king to a fork. That is why this position is a great example of underpromotion, where a quieter-looking promotion can be far more powerful than the obvious one.