This page explains how Kenneth A. Heinritz (USATT# 6555)'s rating went from 1625 to 1718 at the St. Joseph Valley Open held on - 29 May 1994. 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.