Originally Posted by backttennis
That's about how I thought it worked. I note that many players who got bumped up last year in early start ratings subsequently lost that move up, and I don't think it was solely determined by their play in the few matches in between. I was told that there are some more complicated year end calculations that can have an effect on many ratings.
I've seen a guy who got bumped up to 4.5 (from 4.0), had a winning (>50%) record there and then got moved back to 4.0. Go figure.