This page explains how Winston Lopez (USATT# 16114)'s rating went from 1855 to 1954 at the So. Florida One Day Tournament held on - 25 Mar 2007. 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.