This page explains how John Jarema (USATT# 6975)'s rating went from 1901 to 1858 at the NJTTC Thursday Adv League event from 18 Feb 2016. 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.