This page explains how Santos Shih (USATT# 48633)'s rating went from 2069 to 2066 at the 2000 Spin Open held on - 23 Apr 2000. 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.