This page explains how Suguru M. Araki (USATT# 3916)'s rating went from 2056 to 2054 at the 2007 Berkeley Open held on - 16 Sep 2007. 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.