This page explains how Mohd Alam (USATT# 270538)'s rating went from 1242 to 1229 at the Shoilie Table Tennis League event from 26 Aug 2021. 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.