Ning Cheng
USATT#: 270404
| Coach Level: Club | Certified Referee | National Umpire
1618 1648
HITTA Weekly League
24 Sep 2021
24 Sep 2021
This page explains how Ning Cheng (USATT# 270404)'s rating went from 1618 to 1648 at the HITTA Weekly League event from 24 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.