This page explains how Piotr Soja (USATT# 82335)'s rating went from 1969 to 2008 at the Arnold Table Tennis Challenge held on 4 Mar 2016 - 6 Mar 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.