This page explains how Jim Havens (USATT# 221992)'s rating went from 656 to 649 at the 84th Annual Michigan Table Tennis held on 18 May 2018 - 20 May 2018. 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.