This page explains how Kenneth L Teape (USATT# 214848)'s rating went from 1590 to 1585 at the BTTC League event from 1 Nov 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.