Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2093 2110
Boston TTC
27 Jun 2017
27 Jun 2017
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2093 to 2110 at the Boston TTC event from 27 Jun 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.