Learn How to Win a Pawn Endgame: Zugzwang
This chess endgame is a classic example of using king activity and pawn structure to force a winning pawn endgame. The key idea is that the stronger side improves the king first, then creates a situation where the defender has no useful waiting move. Once the opponent is tied down, a pawn exchange can transform the position into a favorable king and pawn ending. In classical chess, these small tempo gains often decide the game.