This page explains how Harpreet Singh (USATT# 89295)'s rating went from 1888 to 1870 at the NJTTC Thursday Adv League event from 18 Oct 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.