This page explains how Miguel Roldan (USATT# 1166454)'s rating went from 1236 to 1228 at the Central Carolinas Super League event from 6 Jun 2019. 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.