This page explains how Luis Miguel Crescitelli (USATT# 53412)'s rating went from 1639 to 1638 at the Long Beach Table Tennis League event from 22 Oct 2015. 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.