This page explains how Dmitriy Yavid (USATT# 197947)'s rating went from 1642 to 1631 at the BTTC League event from 19 Sep 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.