Emma Jiao
USATT#: 271481
| Certified Umpire
190 189
HITTA Weekly League
1 Oct 2021
1 Oct 2021
This page explains how Emma Jiao (USATT# 271481)'s rating went from 190 to 189 at the HITTA Weekly League event from 1 Oct 2021. 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.