Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2078 2088
Boston TTC
18 Nov 2014
18 Nov 2014
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2078 to 2088 at the Boston TTC event from 18 Nov 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.