Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2082 2073
Boston TTC
30 Sep 2014
30 Sep 2014
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2082 to 2073 at the Boston TTC event from 30 Sep 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.