Gregg Robertshaw
USATT#: 9501
| Coach Level: State | Certified Umpire
2051 2043
2020 Arnold Table Tennis Challenge
6 Mar 2020 - 8 Mar 2020
6 Mar 2020 - 8 Mar 2020
This page explains how Gregg Robertshaw (USATT# 9501)'s rating went from 2051 to 2043 at the 2020 Arnold Table Tennis Challenge held on 6 Mar 2020 - 8 Mar 2020. 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.