Rating Explainer

Changping Duan

USATT#: 49379

| Coach Level: State | Certified Umpire

2240 2223

MDTTC Elite League
26 Jun 2004

This page explains how Changping Duan (USATT# 49379)'s rating went from 2240 to 2223 at the MDTTC Elite League event from 26 Jun 2004. The links below take you to pages that describe various aspects of the ratings processor.

Introduction

Initial Rating

The ratings 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.

Pass 1

Pass 2

Pass 3

Pass 4