This page explains how Robert R. Salmeron (USATT# 62907)'s rating went from 1647 to 1547 at the Harlingen Spring Open RR held on - 7 Mar 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.