Des Preston
USATT#: 73084
2123 2048
Boston TTC
19 May 2015
19 May 2015
This page explains how Des Preston (USATT# 73084)'s rating went from 2123 to 2048 at the Boston TTC event from 19 May 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.