This page explains how Martin Sundel (USATT# 13660)'s rating went from 1548 to 1514 at the BCC September Open held on - 6 Sep 2003. 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.