Des Preston
USATT#: 73084
2183 2137
Boston TTC
22 Dec 2015
22 Dec 2015
This page explains how Des Preston (USATT# 73084)'s rating went from 2183 to 2137 at the Boston TTC event from 22 Dec 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.