Changping Duan
USATT#: 49379
| Coach Level: State | Certified Umpire
2246 2234
MDTTC Saturday League
29 Jun 2014
29 Jun 2014
This page explains how Changping Duan (USATT# 49379)'s rating went from 2246 to 2234 at the MDTTC Saturday League event from 29 Jun 2014. 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.