This page explains how Jonathan S Code (USATT# 94438)'s rating went from 814 to 812 at the Westchester 2016 August Open held on 27 Aug 2016 - 28 Aug 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.