This page explains how Ricardo Abril (USATT# 22633)'s rating went from 1852 to 1851 at the Newgy Table Tennis League event from 22 Jun 2005. 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.