This page explains how Viktor Troppmann (USATT# 49728)'s rating went from 1534 to 1531 at the Desert Sol Table Tennis League event from 22 Dec 2004. 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.