This page explains how Elroy Rasmussen (USATT# 17035)'s rating went from 1231 to 1274 at the 2012 Shorewood Fall Open held on - 8 Dec 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.