This page explains how Vadim Tsinker (USATT# 268686)'s rating went from 409 to 393 at the Pong Planet Friday Night, Tuesday Night, And Saturday Leagues event from 12 Dec 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.