This page explains how Roel Borbon Borbon Aguanta (USATT# 268369)'s rating went from 1905 to 1871 at the 2003 Bellevue Open held on - 30 Mar 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.