This page explains how Roy Everman (USATT# 213477)'s rating went from 1580 to 1544 at the Central Carolinas Super League event from 13 Feb 2020. 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.