Changping Duan
USATT#: 49379
| Coach Level: State | Certified Umpire
2108 2101
NTTC Feb Open
- 18 Feb 1996
- 18 Feb 1996
This page explains how Changping Duan (USATT# 49379)'s rating went from 2108 to 2101 at the NTTC Feb Open held on - 18 Feb 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.