This page explains how Willy Leparulo (USATT# 13012)'s rating went from 1886 to 1989 at the Pensacola's First "Sponsor a New Club" Open TTT held on - 15 Jan 2011. 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.