This page explains how Timothy Richard Doerr (USATT# 5407)'s rating went from 1409 to 1408 at the Holland Killerspin Table Tennis Club event from 15 Feb 2014. 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.