Ning Cheng
USATT#: 270404
| Coach Level: Club | Certified Referee | National Umpire
1173 1460
2021 HITTA Butterfly Fall Open
14 Aug 2021 - 15 Aug 2021
14 Aug 2021 - 15 Aug 2021
This page explains how Ning Cheng (USATT# 270404)'s rating went from 1173 to 1460 at the 2021 HITTA Butterfly Fall Open held on 14 Aug 2021 - 15 Aug 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.