This page explains how David Eric England (USATT# 54905)'s rating went from 1688 to 1668 at the Central Carolinas Super League event from 19 Nov 2015. 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.