User blog comment:Deshiba/Ban champion X!/@comment-5556439-20130812191746/@comment-4022742-20130813092357

But increasing the ban cap with 1 is not sufficient, as you'd still not be on the same level as per the start of ranked play. It'd be at 7% of the entire champion pool, where we started off with 10% of the champion pool.

We'd need a cap increase of 2 for this to balance out.