This page explains how Martin P. P. Del Vecchio (USATT# 18168)'s rating went from 2164 to 2152 at the 2016 JOOLA NA Teams held on 25 Nov 2016 - 27 Nov 2016. 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.