This page explains how Haohui Mai (USATT# 83954)'s rating went from 1851 to 1856 at the The Monon Community Center Win held on - 5 Feb 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.