In the game in question I ran 35 times and passed 38 times. I used 14 different run and 14 differwnt passes. I had 33 plays in the playbook, but there are plays that never get called. Ive got plays at 100% familiarity the game won't call. Anyway, back to the point, from about mid-way through the 3rd quarter, it keyed with unerring accuracy.
In a private league, in my last game, there was also massive keying, with 100% accuracy when it keyed, from someone who hasn't even logged in in two weeks! So he certainly didn't scout my offense.
I've noticed from mid third quarter on when you run on first down, it's run-keying, when you pass on first down, it's pass-keying, even if it's from the same formation. That's psychic powers there.
Putting all 40 plays in your playbook doesn't help either, I tried that.