This page explains how Samuel Medina (USATT# 83569)'s rating went from 1823 to 1768 at the Westchester 2013 June Open held on - 23 Jun 2013. 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.