Des Preston
USATT#: 73084
2175 2127
Boston TTC
19 Dec 2017
19 Dec 2017
This page explains how Des Preston (USATT# 73084)'s rating went from 2175 to 2127 at the Boston TTC event from 19 Dec 2017. 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.