This page explains how Thaddeus D. Robinson (USATT# 51346)'s rating went from 1621 to 1623 at the Viducich Stiga Pacific Rim Ope held on - 14 Nov 2004. 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.