This page explains how Arun Joshi (USATT# 1171859)'s rating went from 640 to 634 at the TTA Beg/Inter League - SATURDAY event from 20 Nov 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.