This page explains how Eon S S Chang (USATT# 93642)'s rating went from n/a to 1690 at the Neil Smyth Memorial Open held on - 25 May 2014. 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.