Good one for seeing the bigger picture.  After White Queen sacrifice most would have opted to take the Black Queen when the Rook retreated for the Bishop check.

really nice one!

Nice!   

ok

beautiful

Nice finish.

I always have trouble with the ones that require a queen sacrifice(when not sacrificing it for another queen, that is).

 This is not a mate in two.  Black can delay with Rd8

nice

Thanks for both.

Did they not believe in resigning?

nice

Nice

sweet

Nice!

SZ.

Goes like this

very nice

Always lead with the queen sac. 

First one was easy as it was a series of check, and 2nd one of "Deltaquad" was to find a path for rook as king have nowhere to hide

Easy

too easy 

too easy