This page explains how Jonathan Head (USATT# 14620)'s rating went from n/a to 1357 at the Boo's Bros. Sam's Open held on - 14 Jun 1997. 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.