Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2092 2100
Boston TTC
28 Feb 2017
28 Feb 2017
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2092 to 2100 at the Boston TTC event from 28 Feb 2017. 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.