This page explains how Aiman Elsherbiny (USATT# 95242)'s rating went from 1380 to 1379 at the Long Island's Woodbury Table Tennis League event from 30 Dec 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.