This page explains how Roy Everman (USATT# 213477)'s rating went from 1187 to 1173 at the Central Carolinas Super League event from 15 Feb 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.