Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2134 2118
Boston TTC
26 Aug 2014
26 Aug 2014
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2134 to 2118 at the Boston TTC event from 26 Aug 2014. 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.