Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2081 2092
Boston TTC
29 Nov 2016
29 Nov 2016
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2081 to 2092 at the Boston TTC event from 29 Nov 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.