This page explains how Yury Semikhatsky (USATT# 214774)'s rating went from 827 to 856 at the Pong Planet Friday Night, Tuesday Night, And Saturday Leagues event from 3 Oct 2023. 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.