This page explains how Val Ivan Chubachuk (USATT# 264172)'s rating went from 1372 to 1359 at the Spttc Saturday Night League event from 6 Nov 2021. 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.