This page explains how Earl James Alto (USATT# 22497)'s rating went from 2381 to 2377 at the 2013 Best of the West Open held on - 29 Sep 2013. 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.