This page explains how Patryk Zyworonek (USATT# 96307)'s rating went from 1415 to 1379 at the Chicago Table Tennis League Week 9 held on 5 Mar 2017 - 11 Mar 2017. 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.