This page explains how Robert S. Smith (USATT# 52083)'s rating went from 1349 to 1296 at the Huntsman World Senior Games held on - 17 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.