Changping Duan
USATT#: 49379
| Coach Level: State | Certified Umpire
2009 2046
2016 JOOLA NA Teams
25 Nov 2016 - 27 Nov 2016
25 Nov 2016 - 27 Nov 2016
This page explains how Changping Duan (USATT# 49379)'s rating went from 2009 to 2046 at the 2016 JOOLA NA Teams held on 25 Nov 2016 - 27 Nov 2016. The links below take you to pages that describe various aspects of the rating processor.
Introduction
Initial Rating
The rating processor goes through 4 passes in order. The links take you to pages that provide detailed explanations of the calculations during each of the 4 passes.