In my experience, the coaching rating is backwards from my understanding of it as explained in the thread and others. My game yesterday:
Team ratings for King Drive Ballers (me)
Offensive Strategy: Base Offense
Defensive Strategy: Man to Man
Coaching Rating: inept (medium)
Team ratings for BK Rajecke Teplice (bot opponent)
Offensive Strategy: Base Offense
Defensive Strategy: Man to Man
Coaching Rating: prolific (low)
I won this game on the road by 35, and had much stronger players. Looking closer at the tactics of this game, there doesn't appear to be any major mistakes either I or the bot coach made. My guess to this game (and coach rating), is when you have better players its harder to get a higher coach rating.
"Well, no ones gonna top that." - http://tinyurl.com/noigttt