Des Preston
USATT#: 73084
2104 2070
Boston TTC
31 Jan 2017
31 Jan 2017
This page explains how Des Preston (USATT# 73084)'s rating went from 2104 to 2070 at the Boston TTC event from 31 Jan 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.