Rating Explainer

Changping Duan

USATT#: 49379

| Coach Level: State | Certified Umpire

2246 2234

MDTTC Saturday League
29 Jun 2014

This page explains how Changping Duan (USATT# 49379)'s rating went from 2246 to 2234 at the MDTTC Saturday League event from 29 Jun 2014. 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