Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2084 2091
Boston TTC
5 Jan 2016
5 Jan 2016
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2084 to 2091 at the Boston TTC event from 5 Jan 2016. 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.