danielzhang, I disagree with you. If a 13 year old is at the same level as you, that is very , very good. I am 52, and I am at your level, and I am very satisfied if playing equal with the superstrong 9 year old players. I think 13 year old players should be very happy too if they can play on your level.
As I said before. Age isnt making the big difference, but the total amount of time focused on chess does make a difference.
Here is the equation for getting your ideal rating from your age:
(Age x 40) + (300 x amount of z's, j's, or v's in your last name) + (amount of hours studied x 0.5)
enjoy
Mind blowing. I got 780, but my real rating is 1900 OTB. That must mean I'm highly overrated
You are definitely overrated.