This page explains how Slawomir Gacki (USATT# 86188)'s rating went from 2004 to 2007 at the Strongsville Table Tennis League event from 20 Oct 2020. 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.