Rating Explainer

Jiwei Xia

USATT#: 86921

| Coach Level: National | Certified Umpire

2690 2655

2012 Western Open on JOOLA North America Tour
- 19 Feb 2012

This page explains how Jiwei Xia (USATT# 86921)'s rating went from 2690 to 2655 at the 2012 Western Open on JOOLA North America Tour held on - 19 Feb 2012. 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