Changping Duan
USATT#: 49379
| Coach Level: State | Certified Umpire
2185 2155
NTTC September Open
- 15 Sep 1996
- 15 Sep 1996
This page explains how Changping Duan (USATT# 49379)'s rating went from 2185 to 2155 at the NTTC September Open held on - 15 Sep 1996. 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.