This page explains how Praful Bhaidasna (USATT# 70410)'s rating went from 2051 to 2017 at the Swan Sunday League event from 30 Sep 2018. 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.