This page explains how Jonathan Cai (USATT# 216419)'s rating went from 1272 to 1278 at the HCTT Tuesday Night League event from 6 Jun 2017. 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.