Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2103 2065
Boston TTC
16 Dec 2014
16 Dec 2014
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2103 to 2065 at the Boston TTC event from 16 Dec 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.