This page explains how Kenneth K. Quarshie (USATT# 69866)'s rating went from 1536 to 1485 at the Madison YMCA event from 27 Jul 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.