This page explains how Engin Erdogan (USATT# 90479)'s rating went from 1950 to 1929 at the PINGPOD LEAGUE NIGHT event from 14 Jun 2023. 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.