This page explains how Michael Yu (USATT# 70293)'s rating went from 1550 to 1511 at the 2008 Arnold TT Championships held on - 2 Mar 2008. 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.