> That's why the TC would be plus 4 (8 divided
> by 2).

So, you start your RC at +8 and there are 2 decks remaining. Now, half deck is gone and 5 high cards are out. According to your hypo the TC should be (8-5)/(2-0.5) = 3/1.5 = +2, right?

Regards,
Curious