This page explains how Jonathan Hirata (USATT# 70449)'s rating went from 1043 to 1040 at the Maui USATT League event from 20 Jul 2005. 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.