This page explains how Devaditya Dassarma (USATT# 86001)'s rating went from 1974 to 1969 at the NJTTC Monday League event from 11 Dec 2017. 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.