This page explains how Ricardo Brito (USATT# 80953)'s rating went from 1944 to 1904 at the Topspin Advanced League event from 30 Dec 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.