This page explains how Ky H. H. Nguyen (USATT# 57018)'s rating went from 1909 to 1906 at the Long Beach Table Tennis League event from 28 Oct 2006. 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.