This page explains how Ishan Jain (USATT# 126009)'s rating went from 1849 to 1842 at the 2018 DFWTT Fall Open held on 10 Nov 2018 - 11 Nov 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.