This page explains how Muhammad Abbasi (USATT# 266252)'s rating went from 1810 to 1786 at the HITTA Friday Night League event from 2 Sep 2016. 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.