This page explains how Alexander Del Vento (USATT# 223563)'s rating went from 1556 to 1589 at the NJTTC Friday League event from 24 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.