Ning Cheng
USATT#: 270404
| Coach Level: Club | Certified Referee | National Umpire
1723 1697
HITTA Weekly League
22 Apr 2023
22 Apr 2023
This page explains how Ning Cheng (USATT# 270404)'s rating went from 1723 to 1697 at the HITTA Weekly League event from 22 Apr 2023. 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.