Des Preston
USATT#: 73084
2028 2004
Boston TTC
23 Jun 2015
23 Jun 2015
This page explains how Des Preston (USATT# 73084)'s rating went from 2028 to 2004 at the Boston TTC event from 23 Jun 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.