This page explains how Valeri Kim (USATT# 32791)'s rating went from 2170 to 2217 at the Berkeley Open on the JOOLA NA held on - 6 Sep 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.