Changping Duan
USATT#: 49379
| Coach Level: State | Certified Umpire
2121 2125
Stiga Open on the 2001 Stiga N
- 30 Sep 2001
- 30 Sep 2001
This page explains how Changping Duan (USATT# 49379)'s rating went from 2121 to 2125 at the Stiga Open on the 2001 Stiga N held on - 30 Sep 2001. 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.