This page explains how Zhen (eugene) Wang (USATT# 75821)'s rating went from 2785 to 2786 at the Westchester 2012 October Open held on - 21 Oct 2012. 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.