This page explains how Ahmad Zand Moghaddam (USATT# 283100)'s rating went from 58 to 50 at the Pong Planet Friday Night, Tuesday Night, And Saturday Leagues event from 9 Apr 2024. 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.