This page explains how John Thach Tran (USATT# 60601)'s rating went from 2328 to 2327 at the SoCal Open held on - 21 Aug 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.