Des Preston
USATT#: 73084
2075 2037
Boston TTC
15 Sep 2015
15 Sep 2015
This page explains how Des Preston (USATT# 73084)'s rating went from 2075 to 2037 at the Boston TTC event from 15 Sep 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.