Ning Cheng
USATT#: 270404
| Coach Level: Club | Certified Referee | National Umpire
1391 1618
HITTA Weekly League
10 Sep 2021
10 Sep 2021
This page explains how Ning Cheng (USATT# 270404)'s rating went from 1391 to 1618 at the HITTA Weekly League event from 10 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.