This page explains how Lutfur Rahman (USATT# 270487)'s rating went from 1200 to 1199 at the Shoilie Table Tennis League event from 21 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.