Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2095 2086
Boston TTC
21 May 2019
21 May 2019
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2095 to 2086 at the Boston TTC event from 21 May 2019. 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.