This page explains how Davis Kam (USATT# 24846)'s rating went from 1971 to 1957 at the NJTTC Monday League event from 23 Jun 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.