This page explains how Shahzad Nizamuddin (USATT# 216959)'s rating went from 1393 to 1368 at the Central Carolinas Super League event from 26 Oct 2017. 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.