Ying Xiao
USATT#: 271610
| Certified Umpire
144 157
HITTA Weekly League
15 Oct 2021
15 Oct 2021
This page explains how Ying Xiao (USATT# 271610)'s rating went from 144 to 157 at the HITTA Weekly League event from 15 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.