This page explains how Alexey Andreev (USATT# 219319)'s rating went from 1587 to 1620 at the MDTTC Tuesday/Friday League event from 16 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.