This page explains how Zubair Akhtar (USATT# 215458)'s rating went from 1162 to 1144 at the Austin Table Tennis League event from 6 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.