Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2051 2057
Boston TTC
15 Mar 2016
15 Mar 2016
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2051 to 2057 at the Boston TTC event from 15 Mar 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.