This page explains how Vincent Kam (USATT# 74247)'s rating went from 1586 to 1582 at the NJTTC Monday League event from 10 May 2010. 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.