Changping Duan
USATT#: 49379
| Coach Level: State | Certified Umpire
2077 2072
MDTTC February Open
- 21 Feb 1999
- 21 Feb 1999
This page explains how Changping Duan (USATT# 49379)'s rating went from 2077 to 2072 at the MDTTC February Open held on - 21 Feb 1999. 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.