Rating Explainer

Changping Duan

USATT#: 49379

| Coach Level: State | Certified Umpire

2223 2231

MDTTC Elite League
14 Aug 2004

This page explains how Changping Duan (USATT# 49379)'s rating went from 2223 to 2231 at the MDTTC Elite League event from 14 Aug 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