This page explains how Justin Heslinga (USATT# 90924)'s rating went from 1341 to 1307 at the Holland Killerspin Table Tennis Club event from 9 Nov 2013. 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.