Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
0 2101
Boston TTC
28 May 2014
28 May 2014
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from n/a to 2101 at the Boston TTC event from 28 May 2014. 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.