This page explains how Kenneth L Teape (USATT# 214848)'s rating went from 1678 to 1640 at the BTTC League event from 28 Mar 2023. 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.