Avoid moving pawns, because they cannot go backwards.
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[Event "rated untimed match"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "White player"] [Black "Black player"] [Result "*"] [BlackElo "0"] [FEN "4k3/8/3K4/4P3/8/8/8/8 w - - 0 1"] [SetUp "1"] [TimeControl "0"] [WhiteElo "0"] { Make the Point.|White to move and win. } 1. Ke6 { The only winning move. White forces black to give up his occupation of the promotion square. } ( { Advancing the pawn will result in only a draw. } 1. e6 Kd8 { Black now seizes the opposition. } 2. e7+ Ke8 3. Ke6 { Black is stalemated. Draw. } ) 1... Kd8 ( { Black is no better going to the other side. } 1... Kf8 2. Kd7 Kf7 3. e6+ Kf8 4. e7+ Kf7 5. e8=Q+ { White wins with a large material advantage. } ) 2. Kf7 { White takes control of the promotion square. } 2... Kd7 3. e6+ Kd6 4. e7 Kd5 5. e8=Q { White wins with a large material advantage. } *