This page explains how Arun Selvaraj (USATT# 215418)'s rating went from 2067 to 2090 at the Boston TTC event from 29 Oct 2019. The links below take you to pages that describe various aspects of the rating processor.

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.