This page explains how Kim Mnuskin (USATT# 24179)'s rating went from 1230 to 1223 at the Pong Planet Friday Night, Tuesday Night, And Saturday Leagues event from 28 Jul 2015. 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.