This page explains how Tri Minh Cao (USATT# 88530)'s rating went from 1489 to 1487 at the Pong Planet Friday Night, Tuesday Night, And Saturday Leagues event from 27 Jun 2020. 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.