This page explains how William K. Farrar (USATT# 5710)'s rating went from 1833 to 1808 at the Huntsman World Senior Games held on - 11 Oct 2012. 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.