This page explains how Alex Alesna (USATT# 96552)'s rating went from 1585 to 1561 at the Central Carolinas Super League event from 6 Dec 2018. 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.