Puzzle of the Day 16 July 2017 |  Find the best move

1. h7 Rg1+ 2. Kh3 Rc1 3. Kh2 Rc2+ 4. Kg3 Rc3+ 5. Kh4 Rc1 6. Kg5 Rh1 7. g7 Rxh7 8. g8=Q Rh2 9. Kf6 Kf3 10. Ke7 Rg2