This page explains how Geoffrey Cheng (USATT# 91967)'s rating went from 1664 to 1743 at the NJTTC 2013 December Open held on - 8 Dec 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.