This page explains how Michael Song (USATT# 94940)'s rating went from 780 to 862 at the NYITTC June 2015 Open held on - 21 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.