[Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "White to play and win"] [Black "?"] [Result "*"] [Annotator "peter"] [SetUp "1"] [FEN "8/2p1Pk2/5P2/8/3p1K2/8/8/8 w - - 0 1"] [PlyCount "15"] [EventType "team-tourn"] [EventRounds "15"] [SourceVersionDate "2020.04.01"] {[#]} 1. Kf3 $1 (1. Ke4 $2 c5 2. Kd3 Ke8 3. Kc4 Kf7 $11 (3... Kd7 $11) 4. Kd5 $4 d3 $19) 1... c5 (1... Ke8 2. Ke4 c5 {transposes to the mainline}) 2. Ke4 Ke8 3. Kd5 Kd7 (3... Kf7 4. Kd6 d3 5. Kd7 $18) (3... d3 4. Ke6 d2 5. f7# {This is the real point of the puzzle: White is aiming for this position (or the win of the d-pawn) but cannot reach it after 1.Ke4}) 4. Kc4 Ke8 5. Kxc5 d3 6. Kd6 d2 ( 6... Kf7 7. Kd7 $18) 7. Ke6 d1=Q 8. f7# *