This page explains how William Englebreth (USATT# 32547)'s rating went from 1679 to 1678 at the Central Carolinas Super League event from 20 Dec 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.