This page explains how John Tannehill (USATT# 10466)'s rating went from 2287 to 2267 at the Sun TV Canton Open held on - 5 Nov 1994. 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.