This page explains how Robert Van Camp (USATT# 91720)'s rating went from 1448 to 1388 at the June Open 2015 held on - 27 Jun 2015. 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.