This page explains how David Eric England (USATT# 54905)'s rating went from 1698 to 1690 at the Central Carolinas Super League event from 12 Feb 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.