This page explains how Willy Leparulo (USATT# 13012)'s rating went from 1928 to 1909 at the 2000 Pensacola Summer Open held on - 14 Jun 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.