Suddenly it was obvious to me in my analysis I had missed what Fischer had found with the greatest of ease at the board.
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[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "White player"]
[Black "Black player"]
[Result "*"]
[BlackElo "0"]
[FEN "8/2k1p3/4P3/2KP4/8/8/8/8 w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
{ One Pawn Too Many.|White to move and win. } 1. d6+ { A pawn sacrifice
breaks the deadlock. } 1... exd6+ 2. Kd5 Kc8 { Black sets a trap, inviting white to
recapture the pawn. } 3. Kc6 { White waits patiently to collect the Black pawn.
The immediate Kxd6 is met by Black's opposition Kd8 and a draw. } ( { The
immediate recapture is an error: } 3. Kxd6 Kd8 4. e7+ Ke8 5. Ke6 ) 3... Kd8 { Just
about forced, because black must try to stop white's advanced pawn. } ( { Any
other move loses quickly. For example: } 3... d5 4. e7 d4 5. e8=Q# ) 4. Kxd6 Ke8 5. e7 { The pawn advances to the seventh rank without check. Black must
give up control of the promotion square. } 5... Kf7 6. Kd7 { The pawn promotes next.
White wins with a large material advantage. } *