Changping Duan
USATT#: 49379
| Coach Level: State | Certified Umpire
2135 2164
'97 Penna State Closed
- 25 Apr 1997
- 25 Apr 1997
This page explains how Changping Duan (USATT# 49379)'s rating went from 2135 to 2164 at the '97 Penna State Closed held on - 25 Apr 1997. 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.