This page explains how Michael Nguyen (USATT# 25342)'s rating went from 2029 to 2028 at the Zaman TTC Open held on - 28 Jun 2014. 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.