This page explains how Albert Dosamantes (USATT# 90955)'s rating went from 1443 to 1440 at the Austin Table Tennis League event from 28 Jul 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.