This page explains how David Wong (USATT# 43372)'s rating went from 1166 to 1209 at the NYITTC May 2011 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.