Rating Explainer

Changping Duan

USATT#: 49379

| Coach Level: State | Certified Umpire

2118 2117

MDTTC October Open
- 25 Oct 1998

This page explains how Changping Duan (USATT# 49379)'s rating went from 2118 to 2117 at the MDTTC October Open held on - 25 Oct 1998. 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