This page explains how Tom Mitchell (USATT# 18586)'s rating went from 870 to 884 at the Viducich Stiga Pacific Rim Ope held on - 6 Nov 2005. 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.