This page explains how Alex Meleshenko (USATT# 41942)'s rating went from 1861 to 1870 at the Pittsburgh Steel City Open held on - 2 May 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.