This page explains how Ilya Teicher Kamens (USATT# 27939)'s rating went from 1225 to 1238 at the Sacramento Fall Open held on - 3 Nov 2012. 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.