This page explains how Weiran Roy Wu (USATT# 1171820)'s rating went from 1245 to 1227 at the Pong Planet Friday Night, Tuesday Night, And Saturday Leagues event from 22 Feb 2022. 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.