This page explains how Tom Lackaff (USATT# 4387)'s rating went from 1484 to 1382 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.