This page explains how Sergey Kolosov (USATT# 211696)'s rating went from 1967 to 2004 at the Spttc Saturday Night League event from 5 May 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.