This page explains how Vladimir Kravtchenko (USATT# 272905)'s rating went from 608 to 601 at the Pong Planet Friday Night, Tuesday Night, And Saturday Leagues event from 21 Mar 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.