Changping Duan
USATT#: 49379
| Coach Level: State | Certified Umpire
2118 2117
MDTTC October Open
- 25 Oct 1998
- 25 Oct 1998
This page explains how Changping Duan (USATT# 49379)'s rating went from 2118 to 2117 at the MDTTC October Open held on - 25 Oct 1998. 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.