This page explains how Arkadiy Ravin (USATT# 28869)'s rating went from 1231 to 1234 at the Rochester Open held on - 3 Mar 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.