This page explains how Robert G. Marcus (USATT# 8051)'s rating went from 2022 to 2016 at the T-Tonics Classics Open TTT held on - 18 Oct 1997. 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.