This page explains how Tung D. D. Phan (USATT# 9070)'s rating went from 2305 to 2295 at the San Diego Team Open held on - 9 May 2004. 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.