I have 18k-7k
Resetting ratio is pointless, amount of matches is more important than a ratio, because that shows how much experience you have.

I've wanted to quit my acc so many times, and use my other account.
But then, I just end up getting bored, because I used up so much time on my main to not continue it.

Around these numbers
800-1000 (2010 idev) (any room, before mixed came along)
2000-1500 (2010 idev) (any room, before mixed came along)
3000-2000 (2010 idev) (any room, before mixed came along)
4000-2500 (2010 idev) (any room, before mixed came along)
5000-3000 (2011-2012 PC) (any room, before mixed came along)
7,000-4,000 (2012-2013 PC) (any room, before mixed came along)
10,000-5,000 (2014 PC) (Mixed room)
18,000-7,400 (2015 PC) (Mixed room)

Skill > Ratio