This page explains how John Mar (USATT# 5185)'s rating went from 1823 to 1823 at the 1998 Jr Oly Teams held on - 7 Aug 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.