This page explains how Mario Lorenc (USATT# 51434)'s rating went from 1697 to 1699 at the TT&M Fall Open held on - 25 Oct 1998. 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.