This page explains how Davis Kam (USATT# 24846)'s rating went from 1866 to 1845 at the NJTTC Monday League event from 11 Oct 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.