The hardest game to win is a won game.
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[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Unknown"]
[Black "Unknown051"]
[Result "1-0"]
[Annotator "David Hayes"]
[BlackElo "0"]
[ECO "A00"]
[FEN "8/7p/2K4P/4k1p1/4pp2/4P1P1/5P2/8 w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1. g4 ( { White can try: } 1. exf4+ gxf4 2. gxf4+ Kxf4 3. Kd5 Kg5 4. Kxe4 Kxh6 5. Kf5 Kg7 6. Ke6 h5 7. f4 h4 8. f5 h3 9. Ke7 h2 10. f6+ Kg6 11. f7 h1=Q 12. f8=Q { Draw. } ) 1... Ke6 2. Kc5 Ke5 3. Kc4 fxe3 4. fxe3 Kd6 5. Kd4 Ke6 6. Kxe4 Kf6 7. Kd5 Kf7 8. e4 Ke7 9. Ke5 Kf7 10. Kd6 Kf8 11. Kd7 Kf7 12. e5 Kg6 13. e6 Kxh6 14. e7 Kg6 15. e8=Q+ { White wins with a large material advantage. } 1-0