This page explains how Michael K. Marinas (USATT# 38893)'s rating went from 1654 to 1626 at the Pong Planet Friday Night, Tuesday Night, And Saturday Leagues event from 19 Feb 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.