This page explains how Richard Wagener (USATT# 926755)'s rating went from 1193 to 1191 at the Brookhaven National Lab TTC League event from 16 Dec 2016. 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.