Changping Duan
USATT#: 49379
| Coach Level: State | Certified Umpire
2144 2132
Manor June Open
- 9 Jun 2012
- 9 Jun 2012
This page explains how Changping Duan (USATT# 49379)'s rating went from 2144 to 2132 at the Manor June Open held on - 9 Jun 2012. 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.