This page explains how Timothy Richard Doerr (USATT# 5407)'s rating went from 1458 to 1444 at the Holland Killerspin Table Tennis Club event from 20 Oct 2012. 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.