This page explains how Alexander Yavorskiy (USATT# 93872)'s rating went from 1143 to 1121 at the Pong Planet Friday Night, Tuesday Night, And Saturday Leagues event from 3 Sep 2013. 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.