Rating Explainer

Changping Duan

USATT#: 49379

| Coach Level: State | Certified Umpire

2077 2072

MDTTC February Open
- 21 Feb 1999

This page explains how Changping Duan (USATT# 49379)'s rating went from 2077 to 2072 at the MDTTC February Open held on - 21 Feb 1999. 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.

Pass 1

Pass 2

Pass 3

Pass 4