This page explains how Mark Malench (USATT# 64047)'s rating went from 1659 to 1642 at the West Jersey Table Tennis Club League event from 18 Aug 2011. 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.