This page explains how Dierdre Bubb (USATT# 80012)'s rating went from 361 to 387 at the Beginner League event from 7 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.