This page explains how Prashant Saraswat (USATT# 926909)'s rating went from 1659 to 1639 at the BTTC League event from 25 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.