This page explains how Richard H. Dorsey (USATT# 59386)'s rating went from 1116 to 1111 at the Presidents Open held on - 24 Feb 1996. 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.