This page explains how Martin Sundel (USATT# 13660)'s rating went from 1414 to 1438 at the BTTC Members League event from 29 Dec 2004. 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.