This page explains how Hasan Shahriar (USATT# 30276)'s rating went from 1510 to 1488 at the ICC - Advanced League event from 25 Aug 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.