This page explains how Samuel Medina (USATT# 83569)'s rating went from 1215 to 1203 at the NJTTC 2010 November Open held on - 14 Nov 2010. 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.