1.Kf4!!  Try:1.Kh4? c5! 2.Kg5 (2.Kxh5 c4 -+) 2...Kh7!! 3.Kf5! Kg7! zz 4.Ke5 Kh6! 5.h4 Kg6! zz 6.Ke4 Kf6 7.Kd5 Kf5 8.Kxc5 Kg4 9.Kd4 Kxh4 pos. X with wKd4 10.Ke3 Kg3! 11.Ke2 Kg2 12.Ke3 h4 13.Kf4 h3 -+,  see P.Arestov Prize Artistic King and Pawns Tourney 2017.   1...Kh7!   (1...Kg7 2.Kg5! c5 3.h4(Kf5) zz  3...c4 4.Kf4 Kf6 5.Ke4! Ke6 6.Kd4 Kf5 7.Kxc4 Kg4 8.Kxd3 Kh4 pos. X1 with wKd3  9.Ke2! Kg3 10.Kf1! h4 11.Kg1 =.   2.Kf5!!  2.Kg5? c5! 3.Kf5 Kg7! zz 4.h4 Kf7! zz 5.Ke5 Kg6! zz 6.Ke4 Kf6 7.Kf4 Ke6 8.Ke4 Kd6 -+.  2...c5   2...Kh6 3.h4 Kg7 4.Ke5 Kg6 5.Ke6!! c5 6.Ke5!! c4 7.Kd4 =;  2...h4 3.Ke5(Ke6) Kg6 4.Kd6 Kf5 5.Kxc6 Kf4 6.Kd5 Kg3 7.Ke4 Kxh3 8.Kf3 =;  2...Kg7 3.Kg5 c5 4.h4(Kf5) =.   3.h4!  Try: 3.Ke5? Kh6! 4.h4 Kg6! zz 5.Ke4 Kf6 6.Kf4 Ke6 7.Ke4 Kd6 -+.   3....Kg7!  3...c4 4.Ke4 Kg6 5.Kd4 =.   4.Kg5!  zz  4.Ke5? Kg6! zz 5.Ke4 Kf6 6.Kd5 Kf5 -+.  4...Kf7 5.Kf5! zz  5.Kxh5? c4 -+.  5...Kg7  5...Ke7 6.Ke5! Kd7(Kf7) 7.Kd5 =.  6.Kg5 zz  c4  7.Kf4! Kf6 8.Ke4! Ke6 9.Kd4 Kf5 10.Kxc4 Kg4 11.Kd3 Kxh4  pos. X1 with wKd3!  12.Ke2! Kg3 13.Kf1! h4   13...Kh2 14.Kf2 h4 15.Kf1 h3 16.Kf2 =.  14.Kg1 h3  15.Kh1 h2 - stalemate.