This page explains how Alexander David Chasteen (USATT# 95742)'s rating went from 359 to 451 at the CCCF April 2015 Open held on - 4 Apr 2015. 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.