This page explains how Roger Keely (USATT# 12862)'s rating went from 1280 to 1380 at the Reno-Sparks Biggest Little Tournament held on - 19 May 2012. 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.