This page explains how Eric Duquette (USATT# 13251)'s rating went from 1237 to 1246 at the Pong Planet Friday Night, Tuesday Night, And Saturday Leagues event from 9 Dec 2014. 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.