Why Qe5 and NOT Qf6 ?

Sort:
JPSterling
Can someone explain the difference between moving Qe5 vs Qf6 in this position? [White to move] 

 

GilbertJiangHB

Qf6 Qg4+ Kb8 Rc1

Arisktotle
GilbertJiangHB wrote:

Qf6 Qg4+ Kb8 Rc1

The same defense does not work after ..Qe5:

..Qe5 .Qg4+ Kb8 .Rc1 Qxe3+ .Kh1 Ne4! and white is completely destroyed.