The King and Pawn Endgame is a fundamental concept in chess, focusing on the strategic play between a king and a pawn against a lone king. The objective is to promote the pawn to a queen or another piece while ensuring the opposing king cannot block or capture it. Proper king positioning is crucial, as it can support the pawn's advance and control key squares. In this endgame, the player with the pawn aims to create a passed pawn, which is one that cannot be blocked by opposing pawns. Understanding the basic principles, such as opposition and the concept of "square of the pawn," is essential for converting the advantage into a win.