Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2093 2107
Boston TTC
23 Jun 2015
23 Jun 2015
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2093 to 2107 at the Boston TTC event from 23 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.