This page explains how Richard Wagener (USATT# 926755)'s rating went from 1111 to 1090 at the BTTC League event from 26 Jul 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.