This K+P vs K endgame does require calculation
White to move. Is this a draw or win? How should white proceed?
Editor
Every white move should win here- for example 1.Kg7 Ke7 2.f4 Ke6 3.Kg6 Ke7 4.f5 Kf8 5.Kf6+-. Or 1.Kg8 Ke7 2.Kf7! Ke6 3.Kg6! Ke5 4.Kg5 Ke6 5.f4 Kf7 6.Kf5+-. Or 1.Kh7 Ke8 2.Kg6 Kf8 3.Kf6+-. And finally, 1.f4 Ke7 2.Kg7! +-
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