This page explains how Tyler Spesick (USATT# 72870)'s rating went from 1130 to 1265 at the Sacramento Summer Open held on - 20 Sep 2008. 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.