Des Preston
USATT#: 73084
2169 2136
Boston TTC
28 Feb 2017
28 Feb 2017
This page explains how Des Preston (USATT# 73084)'s rating went from 2169 to 2136 at the Boston TTC event from 28 Feb 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.