This page explains how Kenneth K. Quarshie (USATT# 69866)'s rating went from 1498 to 1495 at the LYTTC April Open held on - 15 Apr 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.