This page explains how Vincent Kam (USATT# 74247)'s rating went from 1972 to 1959 at the NJTTC Thursday Adv League event from 4 May 2017. 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.