This page explains how Kairong Liu (USATT# 69637)'s rating went from 1819 to 1972 at the 2008 Minnesota State Champions held on - 27 Jan 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.