SLCRES is usually great, but whenever I need a rule to bend I get at least two who say this:
https://www.youtube.com/watch?v=v9AHIwmH7AY
I have gotten Chisholm three times in the last 3 or 4 months, but never when I needed something difficult.
Funny thing is that the SLC folks think they get ALL of the DM calls - not true.