This page explains how Scott Chen (USATT# 215884)'s rating went from 1747 to 1700 at the Boston TTC Div.B event from 1 Jan 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.