Donald B. Hayes
USATT#: 50664
| Coach Level: Club | Certified Umpire
2050 2051
Boston TTC
31 Mar 2015
31 Mar 2015
This page explains how Donald B. Hayes (USATT# 50664)'s rating went from 2050 to 2051 at the Boston TTC event from 31 Mar 2015. 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.