This page explains how Carlos Zeller (USATT# 65087)'s rating went from 1889 to 1880 at the So. Florida Open One Day Tourn held on - 6 Apr 2008. 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.