This page explains how Eugene Popov (USATT# 95991)'s rating went from 1490 to 1591 at the WCTTA Saturday League event from 1 Sep 2018. 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.