This page explains how Guillermo Zuluaga (USATT# 270045)'s rating went from 1253 to 1245 at the Central Carolinas Super League event from 12 May 2022. 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.