This page explains how Vincent Kam (USATT# 74247)'s rating went from 1876 to 1850 at the The 90th New Jersey State Championships held on 19 May 2019 - 19 May 2019. 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.