This page explains how Jayant Raghunath Geete (USATT# 31671)'s rating went from 1843 to 1820 at the AZ PTTC Monday event from 7 Oct 2019. 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.