This page explains how Shahzad Nizamuddin (USATT# 216959)'s rating went from 1818 to 1813 at the Central Carolinas Super League event from 18 Jul 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.