This page explains how Stuart Ronald Caplin (USATT# 4668)'s rating went from 1661 to 1663 at the Joe Henneke Melb-Cocoa Beach S held on - 11 Apr 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.