This page explains how Mark B Kraut (USATT# 7414)'s rating went from 1864 to 1881 at the Sears/Harvard Sports TTT held on - 16 Sep 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.