This page explains how John Tuiasosopo (USATT# 82160)'s rating went from 680 to 821 at the California State Games held on - 22 Jul 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.