This page explains how Roger Paul Haidvogel (USATT# 6361)'s rating went from 1826 to 1795 at the Inaugural Bob Brickell Memorial Open held on - 19 Sep 2015. 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.