This page explains how Larry Lei Shi (USATT# 78066)'s rating went from 1887 to 1847 at the DFW Crushers League event from 4 Apr 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.