Ying Xiao
USATT#: 271610
| Certified Umpire
483 471
HITTA Weekly League
25 Feb 2022
25 Feb 2022
This page explains how Ying Xiao (USATT# 271610)'s rating went from 483 to 471 at the HITTA Weekly League event from 25 Feb 2022. 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.