This page explains how Long Hoang Le (USATT# 27429)'s rating went from 1833 to 1817 at the 2012 Badger Open held on - 16 Sep 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.