This page explains how Ricardo Abril (USATT# 22633)'s rating went from 1815 to 1805 at the 18th Annual Bernard Hock Open held on - 12 Oct 2003. 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.