This page explains how Dmitriy Zhitomirskiy (USATT# 90656)'s rating went from 1818 to 1820 at the NJTTC Thursday Adv League event from 28 Feb 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.