Changping Duan
USATT#: 49379
| Coach Level: State | Certified Umpire
2160 2159
Meiklejohn Nat'l Seniors TTT
- 8 Jun 1997
- 8 Jun 1997
This page explains how Changping Duan (USATT# 49379)'s rating went from 2160 to 2159 at the Meiklejohn Nat'l Seniors TTT held on - 8 Jun 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.