Chess Puzzle - Series 3087

White to move. How should white proceed ?

Dubov, Daniil VS Duda, Jan-Krzysztof( Hamburg GP Playoff )

Source : chessdailynews.com

GM_Knockout said ;

1. Rxh5!! Kd3
2. g4! Kc2
3. Rf5 Rxf5
4. gxf5 Kxb2
5. f6 Kxc3
6. f7 b2
7. f8=Q b1=Q
8. d5 Qc2+
9. Qf2 Qd3
10. Qg3!! Qxg3+
11. Kxg3 Kb3
12. d6 c3
13. d7 c2
14. d9=Q c1=Q

- Game drawn with agreement 1/2 - 1/2