This page explains how Lee E. Swander (USATT# 60057)'s rating went from 1407 to 1362 at the ICC California State Open held on - 6 Dec 2009. 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.