This page explains how Long Hoang Le (USATT# 27429)'s rating went from 1818 to 1820 at the 2011 Wisconsin Closed State Championships held on - 9 Apr 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.