This page explains how Arman Zhumagaliyev (USATT# 92135)'s rating went from 2002 to 2013 at the HITTA Weekly League event from 31 Mar 2021. 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.