This page explains how Ed Watkins (USATT# 89661)'s rating went from 1531 to 1534 at the 2015 Millcreek Open held on - 18 Oct 2015. 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.