This page explains how Muhammad Abbasi (USATT# 266252)'s rating went from 1936 to 1916 at the HITTA Weekly League event from 3 Feb 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.