Chess Puzzle - Series 3076

White to move. How should white proceed ?

Kanep, Meelis VS Bauer, Christian

Source : chessdailynews.com

GM_Knockout said ;

1. Rxg7+!! Kxg7
2. Bd4+! Kg8
3. Qe5 Qg6
4. Qxd5+ Qf7
5. Qxf7+ Bxf7
6. f4 

- Black resigned 1-0