Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2099 2093
Boston TTC
16 Jun 2015
16 Jun 2015
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2099 to 2093 at the Boston TTC event from 16 Jun 2015. 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.