White to play, White mates in 16 [O.T.Blathy]

This chess puzzle came from a book I just recently picked up from amazon called
Book of Extraordinary Chess Problems: 120 Unusual Puzzles by Stephen Addison.
A suggested read for anyone interested in chess problems.

Its a little easy but still a pretty good.

[Show Solution]

1. Kxe1 Qa1
2. h3 Qa2
3. h4 Qa1
4. h5 Qa2
5. h6 Qa1
6. h7 Qa2
7. h8 promoted to knight. Qa1
8. Kf7 Qa2
9. Kd8 Qa1
10. Kb7 Qa2
11. Kxc5 Qa1
12. Kd7 Qa2
13. Ke5 Qa1
14. Kxc4 Qa2
15. Ka5 Qa1
16. Kxb3 #