Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2090 2082
Boston TTC
23 Sep 2014
23 Sep 2014
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2090 to 2082 at the Boston TTC event from 23 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.