Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2130 2124
Boston TTC
18 Jun 2014
18 Jun 2014
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2130 to 2124 at the Boston TTC event from 18 Jun 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.