Ning Cheng
USATT#: 270404
| Coach Level: Club | Certified Referee | National Umpire
1243 1391
HITTA Weekly League
3 Sep 2021
3 Sep 2021
This page explains how Ning Cheng (USATT# 270404)'s rating went from 1243 to 1391 at the HITTA Weekly League event from 3 Sep 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.