This page explains how Michael C. Fan (USATT# 65036)'s rating went from 1544 to 1519 at the MDTTC February Open held on - 21 Feb 1999. 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.