This page explains how Bruce Holck (USATT# 6732)'s rating went from 1321 to 1321 at the Mohawk Valley TTC League event from 18 Jan 2010. 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.