Originally Posted by TennisDawg
It's also a big headache. I'm old school when tennis levels were A (advanced), B (intermediate) and C (beginner) and then Open (5.0 and above). That method was used all through most of the tennis boom and seemed to be less confusing.
I think it's easier to think about it in terms of a broader rating too: Beginner (2.5-3.0); Intermediate (3.5-4.0); Advanced (4.5-5.0); Elite (5.5+).
Most people are intermediate with the smallest category being Elite (that don't care about this anyway).