This page explains how Kim Nguyen (USATT# 48032)'s rating went from 1956 to 1956 at the QTTC May Open held on - 22 May 2011. 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.