This page explains how Daniel Gong (USATT# 90833)'s rating went from 1787 to 1815 at the Westchester 2015 March Open held on - 28 Mar 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.