Now, if it is not a check or pinning the Pawn, it is going to be a draw!
1.Qf2
Kh1
2.Qh4+
Kg1
3.Kb4
When there is no threat of pawn promotion, White king comes one step closer to help the Queen!
3...Kf1
4.Qf4+
Ke2
5.Qg3
Kf1
6.Qf3+
Kg1
7.Kc3
another step closer!
7...Kh2
8.Qf4+
Kh3
9.Qg5
Kh2
[9...g1Q
10.Qxg1
Kh4
11.Kd4
Kh3
mate follows soon!]
10.Qh4+
Kg1
11.Kd2
another step closer!
11...Kf1
forced!
12.Qe1#
checkmate! 1-0