This page explains how Mark E. Crank (USATT# 7720)'s rating went from 1154 to 1140 at the Ohio State Championships held on - 27 Apr 1997. 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.