Xinyi Zhen
USATT#: 272563
| Regional Umpire
0 1097
This page explains how Xinyi Zhen (USATT# 272563)'s rating went from n/a to 1097 at the null event from . 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.