This page explains how Connor Y Lee (USATT# 197388)'s rating went from 1858 to 1848 at the NJTTC Monday League event from 21 Aug 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.