Changping Duan
USATT#: 49379
| Coach Level: State | Certified Umpire
2217 2179
MDTTC Elite League
14 Dec 2003
14 Dec 2003
This page explains how Changping Duan (USATT# 49379)'s rating went from 2217 to 2179 at the MDTTC Elite League event from 14 Dec 2003. 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.