Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2094 2084
Boston TTC
22 Dec 2015
22 Dec 2015
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2094 to 2084 at the Boston TTC event from 22 Dec 2015. 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.