Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2103 2119
Boston TTC
29 Aug 2017
29 Aug 2017
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2103 to 2119 at the Boston TTC event from 29 Aug 2017. 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.