This page explains how James F. Neal (USATT# 8611)'s rating went from 1667 to 1663 at the Hot Shots T T League event from 12 Oct 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.