This page explains how Ian Seidenfeld (USATT# 80503)'s rating went from n/a to 106 at the 2009 Junior Olympics/Junior Na held on - 2 Aug 2009. 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.