RATING LEVEL SHOULD INCLUDE A STATISTICAL WINNING % FOR RELEVANCE
Eg: If a 900 is 99th percentile - then what winning percentage does that equate too. If I am at 881 with a culmulative winning percentage of ,569 then what winning percentage do I need to be at 900 level?? This should always be clearly identified and allow players to appeal if there are discrepancies between winning and the rating.
Derek Patterson commented
I just crossed over into diamond and I have a winning percentage of 696.