This page explains how Jonathan Hirata (USATT# 70449)'s rating went from 1323 to 1330 at the Maui USATT League event from 27 Dec 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.