This page explains how HT Chiang (USATT# 222708)'s rating went from n/a to 1894 at the Swan Friday O2000 Team League event from 6 Apr 2018. 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.