two suggestions:
- Where is my userumber/ID? I just see my Accountname in my account (i want to know if im in the top 20)
- Add the current time/difference or at least the time zone to stats. I am located in Germany and can not calculate anything from the last block creation time, since i am located in a different time zone.
Compare your hashrate to the top 20 list, and you may be able to decipher which one you are.
And, I'm no help for your second question.
Well...im not in.