This page explains how Faisal A-Zuberi (USATT# 195864)'s rating went from 1326 to 400 at the Long Island Table Tennis Center - No Longer Open event from 1 Dec 2017. 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.