King & Pawn vs King

The King & Pawn vs King is a pawn endgame involving K+P vs K. The most fundamental endgame in chess. The key concept is opposition — if the attacking king stands directly in front of its pawn with one square between them, and it is the defender's turn to move, the pawn promotes. Learning the rule of the square and key squares is essential for every chess player. This endgame appears in roughly 8% of all games that reach an endgame phase.

The key concept in the King & Pawn vs King is: Opposition. Understanding this principle is more important than memorizing exact move sequences — once you grasp the underlying idea, you can navigate the position even when the move order varies slightly from the textbook line.

Pawn endgames are the most important endgame category for every chess player — they appear constantly in practical games and the principles (opposition, key squares, the rule of the square, triangulation) underlie almost every other endgame type. Mastering the King & Pawn vs King gives you a foundation that pays off at every rating level.

Set up the K+P vs K position on a real or virtual board and play it out against an engine or a training partner. Once you can win or hold the position consistently from the textbook setup, try harder starting positions where you have to find the right plan from scratch. For free engine feedback on your endgame technique with no signup or daily limit, use chess.rodeo — paste your endgame position FEN and Stockfish will show you the optimal line.

Use chess.rodeo for full Stockfish analysis of any pawn endgame — no account required, no daily cap, no paywall. Paste the PGN of a game where you reached this endgame and the engine will show exactly where the position was won, drawn, or lost. This is faster and more direct than reading a textbook because it grades your actual decisions in your own games.