This page explains how Ming Shi (USATT# 74344)'s rating went from 1673 to 1643 at the Central Carolinas Super League event from 20 Nov 2009. 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.