This page explains how Lewis Andrew Bragg (USATT# 4404)'s rating went from 1897 to 1859 at the 2016 NOVATTC Spring Open held on 27 Feb 2016 - 28 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.