Des Preston
USATT#: 73084
2130 2126
Boston TTC
9 Oct 2018
9 Oct 2018
This page explains how Des Preston (USATT# 73084)'s rating went from 2130 to 2126 at the Boston TTC event from 9 Oct 2018. 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.