This page explains how Nicholas Avram (USATT# 95682)'s rating went from 1217 to 1189 at the Boston TTC Div.B event from 14 Jan 2019. 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.