This page explains how Alex Alesna (USATT# 96552)'s rating went from 1567 to 1520 at the Central Carolinas Super League event from 16 Apr 2015. 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.