This page explains how Gideon Teitel (USATT# 75508)'s rating went from 1958 to 1954 at the Westchester 2016 November Open held on 19 Nov 2016 - 20 Nov 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.