Changping Duan
USATT#: 49379
| Coach Level: State | Certified Umpire
2082 2086
Potomac Millennium Open
- 19 Nov 2000
- 19 Nov 2000
This page explains how Changping Duan (USATT# 49379)'s rating went from 2082 to 2086 at the Potomac Millennium Open held on - 19 Nov 2000. 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.