This page explains how John Jarema (USATT# 6975)'s rating went from 1915 to 1865 at the NJTTC Thursday Adv League event from 29 Jun 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.