This page explains how Derwin Mercer (USATT# 214344)'s rating went from n/a to 1717 at the 2016 Butterfly WDCTT Open & Closed Championships held on 24 Sep 2016 - 25 Sep 2016. 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.