This page explains how Aiman Elsherbiny (USATT# 95242)'s rating went from 1611 to 1590 at the SATTA League event from 18 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.