Youre over thinking it.   Go back up to my original post and follow the instructions I gave you...all that extra stuff you just added, doesnt mean anything.

You need to know 3 things....
FMV of the house at the date of death.  
Price the house sold for.
Any costs associated with the sale (repairs, closing costs, staging, realtor commissions etc.)

You'll likely end up with a capital loss.