This page explains how William Englebreth (USATT# 32547)'s rating went from 1391 to 1375 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.