This page explains how Alexander Del Vento (USATT# 223563)'s rating went from 1430 to 1426 at the NJTTC Monday League event from 3 Sep 2018. 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.