This page explains how John Vrabel (USATT# 10854)'s rating went from 1211 to 1190 at the 1995 Pennsylvania Team Champio held on - 26 Mar 1995. 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.