Changping Duan
USATT#: 49379
| Coach Level: State | Certified Umpire
2223 2231
MDTTC Elite League
14 Aug 2004
14 Aug 2004
This page explains how Changping Duan (USATT# 49379)'s rating went from 2223 to 2231 at the MDTTC Elite League event from 14 Aug 2004. 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.