Changping Duan
USATT#: 49379
| Coach Level: State | Certified Umpire
2146 2186
Stiga N.A. Teams Championships
- 1 Dec 2002
- 1 Dec 2002
This page explains how Changping Duan (USATT# 49379)'s rating went from 2146 to 2186 at the Stiga N.A. Teams Championships held on - 1 Dec 2002. 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.