This page explains how Thinh Mac (USATT# 62819)'s rating went from 2127 to 2131 at the ICC Northern CA Open held on - 22 Jul 2007. 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.