This page explains how Dmitriy Zhitomirskiy (USATT# 90656)'s rating went from 1825 to 1813 at the NJTTC Thursday Adv League event from 3 Jan 2019. 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.