This page explains how Mansoor Ahmed (USATT# 277980)'s rating went from 1409 to 1388 at the Central Carolinas Super League event from 20 Jul 2023. 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.